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UCC21550ADWR

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Price
RoHS Y Y Y Y Y Y Y Y Y Y
Lead Status Y Y Y Y Y Y Y Y Y Y
Duty cycle(max)(%) 90 100 100 70
Features Adjustable current limit,Enable,Light Load Efficiency,Synchronous Rectification,UVLO adjustable 1.2-V compatible control inputs,Enable,Forced PWM,Light Load Efficiency,Output discharge,Over Current Protection,Power good,Pre-Bias Start-Up,Soft Start Fixed,Synchronous Rectification,UVLO Fixed 1.2-V compatible control inputs,Enable,Forced PWM,Light Load Efficiency,Output discharge,Over Current Protection,Power good,Pre-Bias Start-Up,Soft Start Fixed,Synchronous Rectification,UVLO Fixed Shutdown Over-voltage tolerant inputs,Single supply Current Regulation,Integrated Current Sensing,Open-Load Detection,Smart Tune,Stall Detection Enable,Output discharge Hysteresis,Split-supply Adaptive/Dynamic Voltage Scaling,Differential Remote Sense,Enable,Fixed Output,Forced PWM,Frequency synchronization,I2C,I2C bus interface,I2C control,I2C interface,I2C/PMBus,Light Load Efficiency,Output discharge,Over Current Protection,Power good,Pre-Bias Start-Up,Soft Start Fixed,Spread Spectrum,Synchronous Rectification,UVLO Fixed,Wettable flanks package Disable,High CMTI,Programmable dead time
Iout(max)(A) 4.5 3 4 1 6
Iq(typ)(mA) 0.08 0.007 0.008 0.0056
Operating temperature range(C) -40 -40 -40 -40 -40 -40 -40 -40
Package area(mm^2) 5 3.36 2 16 32 62.08 0.8236 6 9.0525 106.09
Package size (L x W)(mm) 2.5 x 2 2.1 x 1.6 1 x 2 4 x 4 5 x 6.4 9.7 x 6.4 1.16 x 0.71 3 x 2 2.55 x 3.55 10.3 x 10.3
Package type VQFN-HR SOT-5X3 WQFN-HR WQFN TSSOP HTSSOP DSBGA WSON VQFN-FCRLF SOIC
Pin count 13 8 8 24 14 28 6 12 16 16
Rating Catalog Catalog Catalog HiRel Enhanced Product Catalog Catalog Catalog Automotive Catalog
Switch current limit(typ)(A) 6
Switching frequency(max)(kHz) 1200 2000 2000 3000
Switching frequency(min)(kHz) 650 2000 2000 1500
TI functional safety category Functional Safety-Capable Functional Safety-Capable
Topology Boost
Type Converter Converter Converter Converter
Vin(max)(V) 23 5.5 5.5 2.2 6
Vin(min)(V) 2.9 2.25 2.25 0.7 2.7
Vout(max)(V) 25 4.5 4.5 5.5 2 3.35
Vout(min)(V) 4.5 0.5 0.5 1.65 0.5 0.4
TI.com inventory 500 3480 13582 54440 0 500 5959 500 500 2895
Approx. price(US$) 1.2 | 1ku .55 | 1ku .66 | 1ku 19.99 | 1ku .858 | 1ku 2.45 | 1ku .315 | 1ku 4.195 | 1ku 1.28 | 1ku 2.11 | 1ku
Control mode DCS-Control Constant on-time (COT),DCS-Control STEP/DIR Constant on-time (COT),DCS-Control
DDR memory type LPDDR5
EMI features Integrated capacitors Integrated capacitors,Low parasitic Hotrod packaging
Maximum package height(mm) 0.6 0.8 0.33 1.05
Regulated outputs(#) 1 1 1 1
Architecture FET / CMOS Input,Voltage FB
BW at Acl(MHz) 1800
CMRR(typ)(dB) 78
GBW(typ)(MHz) 900
Iq per channel(typ)(mA) 41 20
Number of channels 2 4 2 2
Rail-to-rail No In to V+
Slew rate(typ)(V/s) 350
TI package name RTW
Total supply voltage (+5 V = 5, 5 V = 10)(max)(V) 5.5
Total supply voltage (+5 V = 5, 5 V = 10)(min)(V) 3.3
Vn at flatband(typ)(nVHz) 2.5
Vos (offset voltage at 25C)(max)(mV) 8 5
IOH(max)(mA) -8
IOL(max)(mA) 8
Input type Schmitt-Trigger
Output type Balanced CMOS,Push-Pull LVDS
Technology family LVxT
Control interface Hardware (GPIO),SPI
Full-scale current(A) 3
Microstepping levels 256
Number of full bridges 2
RDS(ON) (HS + LS)(m) 100
Vs ABS(max)(V) 70
Accuracy(%) 1
Dropout voltage (Vdo)(typ)(mV) 70
Fixed output options(V) 0.8,0.85,0.9,1,1.05,1.2,1.3,1.8
Load capacitance(min)(F) 1.5
Noise(Vrms) 7.2
Output options Fixed Output
PSRR at 100 KHz(dB) 43
Thermal resistance JA(C/W) 136.7
Input bias current ()(max)(nA) 10000
Propagation delay time(s) 0.000225
VICR(max)(V) 5.25
VICR(min)(V) 1.5
Vs(max)(V) 5.25
Vs(min)(V) 2.7
Fall time(ns) 8
Input VCC(max)(V) 5.5
Input VCC(min)(V) 3
Input threshold CMOS,TTL
Isolation rating Reinforced
Output VCC/VDD(max)(V) 25
Output VCC/VDD(min)(V) 13
Peak output current(A) 6
Power switch IGBT,MOSFET,SiCFET
Transient isolation voltage (VIOTM)(VPK) 7070
Undervoltage lockout(typ)(V) 5,8
Withstand isolation voltage (VISO)(Vrms) 5000