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参数资料
| 型号： | TSM1121IDT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| 封装： | PLASTIC, MICRO, SOP-14 |
| 文件页数： | 8/14页 |
| 文件大小： | 338K |
| 代理商： | TSM1121IDT |
Electrical Characteristics
TSM1121
3/11
2
ELECTRICAL CHARACTERISTICS
Tamb = 25°C and Vcc = 17V (unless otherwise specified)
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Total Current Consumption
Icc
Total Supply Current
3
5
mA
Over Voltage and Under Voltage Protection
Vov33
Over Voltage Sense 3.3V
Input can go higher than
Vcc
3.8
4
4.2
V
Vov5
Over Voltage Sense 5V
Input can go higher than
Vcc
5.8
6.1
6.4
V
Vov12
Over Voltage Sense12V
Input can go higher than
Vcc
13.4
14.2
15
V
Vuv33
Under Voltage Sense 3.3V
2.1
2.3
2.5
V
Vuv5
Under Voltage Sense 5V
3.7
4
4.3
V
Vuv12
Under Voltage Sense 12V
9.2
10
10.8
V
Vep
Extra Over voltage Protection Threshold
1.28
V
Tfault
Fault Delay Before Latching
Internally Fixed Delay
100
s
Under Voltage Blanking During Power Up
Tuv
Under Voltage Blanking During Power
Up (Vcc rising)
Cuv = 2.2
F
Adjustable Blanking
100
300
500
ms
Thuv
Blanking Threshold
1.28
V
Power Good (PG)
Vpgth
Power Good Voltage Threshold
1.28
V
Vpghyst
Power Good Voltage Threshold Hyster-
esis
70
mV
Vpgol
Low Output Open Collector Saturation
Voltage
Collector Current = 15mA
0.4
V
Ipgoh
High Output Open Collector Leakage
Current
PG Output = 5V
1
A
Tpgr
Power Good Output Rise Time
Load Capacitor = 100pF
1
s
Tpgf
Power Good Output Fall Time
Load Capacitor = 100pF
1
s
Tpg
Power Good Adjustable Delay
Load Capacitor Cpg=2.2
F
100
300
500
ms
PIth
Power Input Detection Threshold
1.28
V
Fault
Vfaultol
Fault Output Saturation Voltage Level
IFault = 1mA
1
V
Ifaultoh
Fault Output Leakage Current Level
Vfault = 5V
1
A
Remote Control (REM)
Vremth
Remote ON/OFF Input Voltage Thresh-
old
0.7
0.8
1
V
Vremih
High Input Remote Voltage
3.3
3.4
V
Iremil
Low Input Remote Saturation Current
0.5
mA
Trem1
Remote Adjustable Delay ON to OFF
Load Capacitor
Crem=0.1
F
40
50
60
ms
Trem2
Remote Adjustable Delay OFF to ON
Load Capacitor
Crem=0.1
F
40
50
60
ms
Voltage Reference
Vref
Internal Voltage Reference
Io = 0mA
2.46
2.5
2.54
V
Regline
Line regulation
Io = 0mA
4.5V<Vcc<24V
410
mV
Regline
Line regulation
Io = 10mA
4.5V<Vcc<24V
15
mV
Regload Load regulation 1
1)
Do not short circuit the Vref Pin
0<Io<10mA
25
mV
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| TSM112CDT | 功能描述:开关变换器、稳压器与控制器 Over/Under Volt Prot RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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| TSM112D | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V 5V 12V HOUSEKEEPING IC |
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