|
|
Texas Instruments
LP3972SQ-0514/NOPB
|
Texas Instruments
LM4128BMF-1.8/NOPB
|
Texas Instruments
LM4128CMFX-2.0/NOPB
|
Texas Instruments
LM4128DMF-3.0/NOPB
|
Texas Instruments
LM4128CMFX-4.1/NOPB
|
Texas Instruments
LM4128AQ1MF3.0/NOPB
|
Texas Instruments
LM5109BSDX/NOPB
|
Texas Instruments
LM5022MME/NOPB
|
Texas Instruments
LP38852T-ADJ/NOPB
|
Texas Instruments
LM5001SD/NOPB
|
| Price |
|
|
|
|
$1.27 |
|
|
|
|
$2.07 |
$2.68 |
| RoHS |
|
Yes |
Compliant |
Compliant |
Compliant |
Compliant |
Yes |
Compliant |
Compliant |
Yes |
Yes |
| Lead Status |
|
Yes |
No |
No |
No |
No |
Yes |
No |
No |
Yes |
Yes |
| Processor Supplier |
|
Marvell,Samsung,Freescale |
|
|
|
|
|
|
|
|
|
| LDO |
|
6 |
|
|
|
|
|
|
|
|
|
| Package Group |
|
WQFN |
SOT-23 |
SOT-23 |
SOT-23 |
SOT-23 |
SOT-23 |
SOIC,WSON |
VSSOP |
DDPAK/TO-263,SO PowerPAD,TO-220 |
SOIC,WSON |
| Vout(Min)(V) |
|
0.725 |
|
|
|
|
|
|
1.25 |
0.8 |
1.26 |
| Regulated Outputs(#) |
|
9 |
|
|
|
|
|
|
1 |
1 |
1 |
| Rating |
|
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Automotive |
Catalog |
Catalog |
Catalog |
Catalog |
| Operating Temperature Range(C) |
|
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
| Vin(Max)(V) |
|
5.5 |
5.5 |
5.5 |
5.5 |
5.5 |
5.5 |
|
60 |
5.5 |
75 |
| Approx. Price (US$) |
|
2.50 | 1ku |
0.68 | 1ku |
0.68 | 1ku |
0.68 | 1ku |
0.68 | 1ku |
0.80 | 1ku |
0.50 | 1ku |
0.90 | 1ku |
1.05 | 1ku |
1.55 | 1ku |
| Switching Frequency(Max)(kHz) |
|
2000 |
|
|
|
|
|
|
1000 |
|
1500 |
| Vin(Min)(V) |
|
1.74 |
2.2 |
2.2 |
2.2 |
2.2 |
2.2 |
|
6 |
0.93 |
3.1 |
| Vout(Max)(V) |
|
3.3 |
|
|
|
|
|
|
300 |
1.8 |
75 |
| Step-Down DC/DC Converter |
|
3 |
|
|
|
|
|
|
|
|
|
| Package Size |
|
mm2 |
mm2 |
mm2 |
mm2 |
mm2 |
mm2 |
|
|
mm2 |
|
| Special Features |
|
Comm Control,Dynamic Voltage Scaling,Enable,Over Current Protection,Power Good,Power Sequencing,Synchronous Rectification,Thermal Shutdown,UVLO |
Enable pin |
Enable pin |
Enable pin |
Enable pin |
Enable pin |
|
Enable,Frequency Synchronization,UVLO Adjustable |
Enable,Soft Start |
Enable,Frequency Synchronization,UVLO Adjustable |
| Iout(Max)(A) |
|
1.6 |
|
|
|
|
|
|
10 |
1.5 |
|
| Processor Name |
|
PXA |
|
|
|
|
|
|
|
|
|
| VO(V) |
|
|
1.8,2.048,2.5,3,3.3,4.096 |
1.8,2.048,2.5,3,3.3,4.096 |
1.8,2.048,2.5,3,3.3,4.096 |
1.8,2.048,2.5,3,3.3,4.096 |
1.8,2.048,2.5,3,3.3,4.096 |
|
|
|
|
| Shutdown Current(Typ)(uA) |
|
|
3 |
3 |
3 |
3 |
3 |
|
|
|
|
| Initial Accuracy(Max)(%) |
|
|
0.1,0.2,0.5,1 |
0.1,0.2,0.5,1 |
0.1,0.2,0.5,1 |
0.1,0.2,0.5,1 |
0.1,0.2,0.5,1 |
|
|
|
|
| Iout/Iz(Max)(mA) |
|
|
20 |
20 |
20 |
20 |
20 |
|
|
|
|
| Temp Coeff(Typ)(ppm/ degree C) |
|
|
N/A |
|
|
|
|
|
|
|
|
| Iq(Max)(uA) |
|
|
100 |
100 |
100 |
100 |
100 |
|
|
|
|
| Temp Coeff(Max)(ppm/ degree C) |
|
|
100,75 |
100,75 |
100,75 |
100,75 |
100,75 |
|
|
|
|
| Iq(Typ)(uA) |
|
|
60 |
60 |
60 |
60 |
60 |
|
|
|
|
| Pin/Package |
|
|
5SOT-23 |
5SOT-23 |
5SOT-23 |
5SOT-23 |
5SOT-23 |
|
|
|
|
| LFN 0.1-10Hz(Typ)(Vpp) |
|
|
170 |
170 |
170 |
170 |
170 |
|
|
|
|
| Rise Time(ns) |
|
|
|
|
|
|
|
15 |
|
|
|
| Bus Voltage(V) |
|
|
|
|
|
|
|
90 |
|
|
|
| Fall Time(ns) |
|
|
|
|
|
|
|
15 |
|
|
|
| Input Threshold |
|
|
|
|
|
|
|
TTL |
|
|
|
| Input VCC(Min)(V) |
|
|
|
|
|
|
|
8 |
|
|
|
| Channel Input Logic |
|
|
|
|
|
|
|
TTL |
|
|
|
| Prop Delay(ns) |
|
|
|
|
|
|
|
25 |
|
|
|
| Input VCC(Max)(V) |
|
|
|
|
|
|
|
14 |
|
|
|
| Negative Voltage Handling at HS Pin(V) |
|
|
|
|
|
|
|
-1 |
|
|
|
| Power Switch |
|
|
|
|
|
|
|
MOSFET |
|
|
|
| Iq(uA) |
|
|
|
|
|
|
|
10 |
|
|
|
| Peak Output Current(A) |
|
|
|
|
|
|
|
1 |
|
|
|
| Number of Channels(#) |
|
|
|
|
|
|
|
2 |
|
|
|
| Iq(Typ)(mA) |
|
|
|
|
|
|
|
|
3.5 |
10 |
3.1 |
| Duty Cycle(Max)(%) |
|
|
|
|
|
|
|
|
90 |
|
85 |
| Switching Frequency(Min)(kHz) |
|
|
|
|
|
|
|
|
170 |
|
50 |
| Type |
|
|
|
|
|
|
|
|
Controller |
|
Converter |
| Switch Current Limit(Typ)(A) |
|
|
|
|
|
|
|
|
10 |
|
1 |
| Output Options |
|
|
|
|
|
|
|
|
|
Adjustable Output |
|
| Vdo(Typ)(mV) |
|
|
|
|
|
|
|
|
|
130 |
|
| Fixed Output Options(V) |
|
|
|
|
|
|
|
|
|
N/A |
|
| Output Capacitor Type |
|
|
|
|
|
|
|
|
|
Ceramic |
|
| Switch Current Limit(Min)(A) |
|
|
|
|
|
|
|
|
|
|
0.8 |
