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	Texas Instruments UC3844DG4	Texas Instruments UC3845AJ	Texas Instruments UC3845N	Texas Instruments UCC25600DRG4	Texas Instruments UCC27200DDA	Texas Instruments UCC27201AQDMKRQ1	Texas Instruments UCC27201DRMR	Texas Instruments UCC27531DBVT	Texas Instruments UCC27532QDBVRQ1	Texas Instruments UCC27538DBVR
Price
RoHS	Compliant	Not Compliant	Not Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant
Lead Status	No	No	No	No	No	No	No	No	No	No
Frequency(Min)(kHz)	26		26	40
Operating Temperature Range(C)	0 to 70	0 to 70	0 to 70	-40 to 125	-40 to 140	-40 to 125	-40 to 140	-40 to 125,-40 to 140	-40 to 140	-40 to 140
Control Method	Peak Current Mode	Current	Peak Current Mode	Voltage
Vin(Min)(V)	17	7.6	9	12
Rating	Catalog	Military	Catalog	Catalog	Catalog	Automotive	Catalog	Catalog	Automotive	Catalog
Duty Cycle(Max)(%)	50	50	50	50
Topology	Boost,Buck,Buck-Boost,Flyback,Forward	Boost,Buck,Flyback,Forward	Boost,Buck,Buck-Boost,Flyback,Forward	Half-Bridge,Resonant
Special Features	Error Amplifier,Multi-topology	Error Amplifier	Error Amplifier,Multi-topology	Soft Start,Soft Switching				Split Output	Split Output	Split Output
Approx. Price (US$)	0.42 \| 1ku		0.42 \| 1ku	0.45 \| 1ku	1.30 \| 1ku	1.53 \| 1ku	1.30 \| 1ku	0.75 \| 1ku	0.88 \| 1ku	0.75 \| 1ku
Frequency(Max)(kHz)	500	500	500	350
Package Group	PDIP,SOIC	CDIP	PDIP,SOIC	SOIC	SO PowerPAD,SOIC,VSON	SO PowerPAD,VSON	SO PowerPAD,SOIC,VSON	SOIC,SOT-23	SOT-23	SOT-23
Vin(Max)(V)	400	30	400	450
UVLO Thresholds On/Off(V)	16/10	8.4/7.6	8.4/7.6	10.5/9.5
Gate Drive(Typ)(A)	1		1	0.8
Package Size		mm2
Rise Time(ns)					8	8	8	15	15	15
Input VCC(Max)(V)					17	17	17	32	32	32
Power Switch					MOSFET	MOSFET	MOSFET	MOSFET,IGBT,SiCFET	MOSFET,IGBT,SiCFET	MOSFET,IGBT,SiCFET
Iq(uA)					1	1	1	250	250	250
Input VCC(Min)(V)					8	8	8	10	10	10
Negative Voltage Handling at HS Pin(V)					-1	-15	-1
Number of Channels(#)					2	2	2	1	1	1
Fall Time(ns)					7	7	7	7	7	7
Channel Input Logic					CMOS	TTL	TTL	Non-Inverting,Single	Single,Non-Inverting	Dual,Non-Inverting
Prop Delay(ns)					20	20	20	17	17	17
Peak Output Current(A)					3	3	3	5	5	5
Bus Voltage(V)					110	110	110
Input Threshold								CMOS,TTL	CMOS	CMOS,TTL
Input Negative Voltage(V)								-5	-5	-5

Type

Parts 28647
Evaluation Kits 521

Stock

In Stock 7587

Minimum Stock

Lead Free

No 7857
Yes 4516

ROHS Compliance

Compliant 11557

Distributor

AVNET Express 15390
Mouser Electronics 14499
DigiKey 14188
Newark 12375
AVNET Europe 7806
Farnell 6902
Win Source 6553
Arrow North American Components 5459
Verical Marketplace 4671
element14 APAC 4330
Texas Instruments 4067
AVNET Asia Pacific 3006
RS Components 2524
Ameya360 2466
Future Electronics 1390

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TME 1307 RS Components (APAC) 1289 Utmel 985 Arrow Europe 915 Arrow Asia 910 Jak Electronics 724 Utsource 587 MicrochipDirect 532 Analog Devices Inc 438 Rutronik 434 Quest Components 372 Heiland 361 Anglia 179 Freelance 148 Component Online 135 Powell Electronics, Inc 73 Jameco 69 Heilind Electronics 27 Electroent 22 New Yorker Electronics 6 TE Connectivity 3

Manufacturer

Texas Instruments 8354
Nichicon 1537
onsemi 1437
Carlo Gavazzi 881
Microchip Technology Inc. 836
Glenair 716
Phoenix Contact Ltd 710
Amphenol 702
ABB Ltd 579
Cosel 496

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Analog Devices Inc. 484 Weidmüller 460 STMicroelectronics 447 Bel Fuse Inc. 426 Intel 397 Cooper Bussmann 357 Infineon Technologies AG 353 ABLIC Inc. 335 Nexperia 319 Cree 311 ROHM Semiconductor 300 Littelfuse 286 Carling Technologies 273 Schneider Electric 250 Rochester Electronics 245 IDEC Corporation 240 NKK Switches 228 CUI Inc. 225 Eaton Corporation 217 Kemet 213 Fairchild Semiconductor 210 Panduit 189 Honeywell S&C 186 Semtech Corporation 186 Pepperl+Fuchs 181 NXP Semiconductors N.V. 175 Diodes Inc. 159 Vishay 159 Seiko Instruments Inc. 156 Atmel 146 Renesas Electronics Corporation 141 Kyocera 139 Banner Engineering 128 Black Box 113 Quectel Wireless Solutions 113 Inventronics 112 ODU Steckverbindungssysteme GmbH & Co 110 Silicon Laboratories (Silicon Labs) 109 Siemens 97 Maxim Integrated 83 ODU UK 83 Honeywell 81 Cherry 79 Broadcom 77 SSI Technologies Inc 74 Fairchild Semiconductors 71 Murata Power Solutions 71 Micron Technology, Inc 70 AVX 69 Microsemi 68 APC (Advanced Power Components) 67 3M 65 Amphenol LTW 64 Flex Power Modules 62 Intersil 61 Europa 58 IXYS 56 Microchip Technology Ltd 55 TE Connectivity 54 Toshiba Electronics Europe 54 Delta Group 52 Micrel 45 Nuvoton Technology Corporation 42 nVent 42 Amphenol Industrial 41 HUBER+SUHNER 40 National Semiconductor 40 Exar Corporation 38 Osram Opto Semiconductors 37 SICK (UK) LTD 37 L-com 36 Multicomp 36 Monolithic Power Systems (MPS) 35 Amphenol Aerospace 33 OMEGA Engineering Limited 33 Taiyo Yuden 33 Legrand 32 SMART Modular Technologies 32 Telemecanique Sensors 30 Brainboxes Limited 29 Hoffman 29 CommScope, Inc. 28 Dataman Programmers Ltd 28 Hendon Semiconductors 28 TDK Corporation 28 Murata Electronics (UK) Ltd. 27 IOGEAR 26 Cisco 25 ITT Interconnect Solutions 25 Tamura 25 Pro-Power 24 HellermannTyton 23 Power Integrations 23 Samtec 23 Silergy 23 Adlink Technology, Inc 22 AtlasIED 22 Altera 21 MaxLinear 21 XP Power 20 Cinch Connectivity Solutions 19 Dremel 19 Bourns, Inc. 18 Panasonic Industrial Devices 18 Samsung Electronics 18 Altech 17 Jonard Tools 17 TURCK 17 Allegro MicroSystems, Inc. 16 Quectel 16 ams AG 15 Freescale 15 Hewlett Packard Enterprise 15 Micron Semiconductor Products 15 Panasonic 15 Semicoa 15 Tripp Lite 15 Corning 14 FDK 14 Lattice Semiconductor Corporation 14 Delta Electronic Inc 13 Eaton Electric Ltd 13 HP 13 StarTech.com 13 Advanced Thermal Solutions (ATS Europe BV) 12 Flex 12 Meanwell 12 Robert Bosch GmbH 12 Sensitron 12 TUK Ltd 12 Abracon 11 Desco Industries Inc. 11 GP Batteries 11 HUBBELL 11 Souriau 11 Advantech 10 International Rectifier (IR) 10 Omron 10 Yageo 10 ams (formerly austriamicrosystems AG) 9 CIT Relay & Switch 9 Comchip Technology 9 Multi-Tech Systems 9 Premier Farnell 9 VPG Foil Resistors 9 Brady 8 Display Visions 8 Essentra Components 8 Fagor Electronica 8 Festo Ltd 8 Radio Design Labs 8 Aaeon 7 Adam Tech 7 Belden 7 Bernstein Ltd 7 Everlight 7 Jameco 7 Neutrik 7 Newhaven Display International Inc. 7 Vishay Precision Group 7 ACEINNA 6 ATC Diversified Electronics 6 Avago Technologies 6 Electronic Assembly GmbH 6 Emerson Electric Co. 6 Epcos (Part of TDK) 6 ERP Power 6 Hammond Manufacturing 6 Mitsubishi Electric 6 Nihon Inter Electronics Corporation 6 Pro-Elec 6 Torex Semiconductor 6 Unisonic Technologies Company Limited 6 Dialog Semiconductor 5 NIC Components Corporation 5 Olimex Ltd 5 Osram Sylvania 5 SG Micro Corp 5 Visual Communications Company, LLC 5 WeEn Semiconductors 5 Bosch Sensortec 4 Bulgin 4 C&K Components 4 ebm-papst 4 Fujitsu 4 GE Industrial Solutions 4 Greenlee Communications 4 Linear Technology 4 Molex 4 Powerex 4 Pulse Electronics 4 Willow Technologies Limited 4 Yokogawa Electric 4 AMD 3 Amphenol Communications Solutions (ACS) 3 Avnet Engineering Services 3 Embest Co., LIMITED 3 E-Switch, Inc. 3 IDT 3 JST Corporation 3 JST Mfg. Co., Ltd 3 KOA Speer 3 Linx Technologies 3 MCM 3 Mitsubishi 3 NEC Electronics (Europe) GmbH 3 NIDEC-SHIMPO 3 Penn Elcom 3 Penn Engineering 3 Pro-Signal 3 Sprague Goodman 3 Switchcraft, Inc. (Conxall) 3 Taiwan Semiconductor 3 Thomas & Betts 3 Western Digital 3 Wurth Elektronik 3 Abracon Corporation 2 Active-Semi 2 Allied Components International 2 ATGBICS 2 Bivar 2 Block UK Ltd 2 California Eastern Laboratories (CEL) 2 Crescent Frequency Products Inc. 2 CTS Valpey 2 Digilent Inc. 2 Elpida Memory Inc. 2 EPSON EUROPE ELECTRONICS GmbH 2 FLIR Systems Ltd 2 Foxconn Interconnect Technology 2 FTDI 2 Hammond 2 Hirschmann Car Communication GmbH 2 IMO Precision Controls Ltd 2 Johnson Electric 2 Keil 2 Keysight Technologies (formerly Agilent) 2 Ezurio (Formerly Laird) 2 Ledil 2 Major Brand Semiconductors and Integrated Circuits 2 Metcal 2 Micross Components 2 Moxa 2 Pentair Technical Products 2 Philips Lighting 2 Pico Technology 2 Puls 2 Spacecraft Components Corp. 2 Surge Components 2 Teledyne LeCroy 2 Vector Electronics & Technology, Inc 2 Velleman 2 4D Systems 1 Adafruit 1 Advanced Energy 1 Advanced Photonix 1 Aegis Software 1 ALPS ELECTRIC EUROPE GmbH 1 Altium 1 Advanced Micro Devices (AMD) 1 Amotech 1 Amphenol Ltd 1 AMS Technologies 1 Apex Tool Group 1 Artesyn Embedded Technologies 1 Assman WSW 1 B&B Electronics 1 B&K Precision 1 Bogen Electronic 1 celduc relais 1 Chenbro 1 CML Innovative Technologies 1 CompuLab 1 CONEC Elektronische Bauelemente GmbH 1 Cornell Dubilier 1 Same Sky (formerly CUI Devices) 1 Densitron Technologies plc 1 Diptronics 1 Display Logic 1 E3 Displays 1 Electrolube (A division of HK Wentworth Ltd) 1 Endress+Hauser Inc. 1 Energizer 1 Europe Chemi-Con 1 Farnell Element 14 1 Fastrax 1 FCI Connectors UK 1 Fluke Networks 1 Fluke (UK) Ltd 1 FUTURE Designs 1 Future Designs, Inc. 1 GHI Electronics 1 Heico Lighting 1 IBM 1 iNRCORE 1 Integrated Device Technology, Inc. 1 Integrated Silicon Solution, Inc. (ISSI) 1 INTRONICS POWER Inc. 1 Inventek Systems 1 Keithley Instruments GmbH 1 Lista International Corporation 1 Lumissil Microsystems 1 M/A-COM Tech 1 Macronix 1 Marvell 1 Megger 1 METZ CONNECT 1 Mueller Electric 1 Positronic Industries 1 Pulse 1 Qorvo 1 Rigado 1 Shure 1 Skyworks 1 SMSC 1 Sola/Hevi-Duty 1 Sparkfun Electronics 1 Sparkle Power 1 Supermicro Computer Inc 1 Taoglas 1 Tektronix 1 Teledyne Relays 1 The L. S. Starrett Company 1 u-blox 1 Wakefield-Vette 1 Xilinx 1 ZMDI 1 Zortrax 1

Additional Filters

3-State Output 252

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No 252

Approx. Price (US$) 1370

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0.42 | 1ku 195 0.60 | 1ku 164 0.75 | 1ku 264 0.99 | 1ku 143 1.05 | 1ku 141 1.10 | 1ku 169 1.20 | 1ku 176 2.78 | 1ku 118

Bits(#) 294

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1 172 2 122

Control Method 2460

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CCM 296 Current 1274 Current,Feedforward,Voltage 145 Feedforward,Voltage 117 Peak Current Mode 361 Voltage 267

Device Type 246

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Single-phase PFC 246

Duty Cycle(Max)(%) 1992

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49 124 50 962 99 137 100 769

F @ Nom Voltage(Max)(Mhz) 383

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250 383

Fall Time(ns) 309

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7 158 15 151

Frequency(Max)(kHz) 1880

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500 564 1000 1316

Frequency(Min)(kHz) 504

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0.1 141 26 363

Gate Drive(Typ)(A) 1193

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1 1193

ICC @ Nom Voltage(Max)(mA) 315

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0.01 315

Input Negative Voltage(V) 238

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0 238

Input Threshold 346

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CMOS,TTL 346

Input Type 258

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CMOS 258

Input VCC(Max)(V) 374

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15 237 18 137

Input VCC(Min)(V) 185

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4.5 185

Iout(Max)(A) 121

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3 121

Logic 231

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True 231

Number of Channels(#) 643

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1 250 2 393

Operating Supply Current(mA) 212

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4 212

Operating Supply(Max)(V) 220

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18 220

Operating Temperature ange(C) 198

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-40 to 85 198

Operating Temperature Range(C) 4047

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-40 to 105 279 -40 to 125 527 -40 to 140 165 -40 to 85 1359 -55 to 125 250 0 to 70 1467

Operating temperature range(C) 194

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-40 194

Output Capacitor Type 220

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Non-Ceramic 220

Output Drive (IOL/IOH)(Max)(mA) 321

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9/-9 321

Output Options 190

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Adjustable Output,Fixed Output 190

Output Type 263

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CMOS 263

PSRR @ 100KHz(dB) 118

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38 118

Package Group 2993

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CDIP,LCCC 132 DDPAK/TO-263,TO-220 181 MSOP-PowerPAD,PDIP,SOIC 164 PDIP,PLCC,SOIC 184 PDIP,SOIC 817 PDIP,SOIC,TSSOP 503 PDIP,SOIC,VSSOP 212 SOIC 659 SOIC,TSSOP 141

Package Size 1555

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mm2 1555

Package type 128

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SOIC 128

Peak Output Current(A) 223

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4 223

Peak Output Sink Current Gate Drive(A) 124

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1.2 124

Peak Output Source Current Gate Drive(A) 124

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-1.2 124

Power Switch 546

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MOSFET 158 MOSFET,IGBT 138 MOSFET,IGBT,GaNFET 250

Practical Operating Frequency(Max)(MHz) 144

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0.2 144

Prop Delay(ns) 226

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25 226

Rating 4555

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Automotive 257 Catalog 3986 Military 312

Regulated Outputs(#) 314

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1 314

Rise Time(ns) 210

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20 210

Schmitt Trigger 362

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No 362

Special Features 1690

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Enable Pin 151 Error Amplifier 285 Error Amplifier,Leading Edge Blanking,Multi-topology,Soft Start 269 Error Amplifier,Leading Edge Blanking,Soft Start 142 Error Amplifier,Multi-topology 387 Error Amplifier,Multi-topology,Soft Start,Synchronization Pin 178 Error Amplifier,Soft Start,Synchronization Pin 134 IOFF,low power consumption,low tpd 144

Startup Current(mA) 177

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0.15 177

Technology Family 384

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AUC 384

Time Delay(ms) 123

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Programmable 123

Topology 1509

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Boost,Buck,Buck-Boost,Flyback,Forward 326 Boost,Buck,Flyback,Forward 495 Boost,Flyback,Forward 520 Boost,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull 168

UVLO Thresholds On/Off(V) 1380

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4.1/3.6 146 4.3/4.1 120 8.4/7.6 278 9.2/8.4 133 10.5/10 120 12.5/8.3 217 16/10 366

VCC(Max)(V) 376

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2.7 376

VCC(Min)(V) 376

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0.8 376

Vdo(Typ)(mV) 118

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350 118

Vin(Max)(V) 1749

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7.5 118 12 377 15 347 20 130 30 234 40 143 400 400

Vin(Min)(V) 897

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8 276 8.3 220 8.4 131 9 270

Voltage(Nom)(V) 378

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0.8,1.2,1.5,1.8,2.5 378

Vout(Min)(V) 190

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1.2 190

ating 334

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Catalog 334