LP2951CM-3.3TR 查看數據表（PDF） - Semtech Corporation
零件编号
产品描述 (功能)
生产厂家
LP2951CM-3.3TR Datasheet PDF : 3 Pages
| |||
150mA ADJUSTABLE
VOLTAGE REGULATOR
LP2951
March 17, 1998
ELECTRICAL CHARACTERISTICS
Unless specified, limits are over operating temperature range (TJ = TA), VIN = VOUT(NOM) + 1V, IL=100µA, CL=1µF
Parameter
Output Voltage
LP2951CM
LP2951CM-3.3
Temp Coefficient(1)
Line Regulation
Load Regulation
Dropout Voltage
Ground Current
Dropout Ground Current
Current Limit
Reference Voltage
Feedback Bias Current
Error Comparator
Output High Leakage
Current
Output Low Voltage
Threshold Voltage
Hysteresis
Shutdown Input
Input Logic Voltage
Input Current
Regulator Shutdown
Output Current
Symbol
Conditions
Min Typ Max
VOUT
TJ = 25°C, IL = 100µA
TC
REG(LINE)
REG(LOAD)
VD
IGND
IGND(D)
ICL
VREF
IFB
0°C ≤ TJ ≤=70°C
(VO(NOM) + 1V) ≤ VIN=≤=30V
100µA ≤ IL=≤=100mA
IL===100µA
IL===100mA
IL===100µA
IL===100mA
VIN = (VO(NOM) - 0.5V), IL===100µA
VOUT = 0
VREF ≤ VOUT ≤ (VIN - 1V), TJ ==25°C,
100µA ≤ IL=≤=100mA
4.950
3.267
1.210
5.000 5.050
3.300 3.333
20 120
0.1 0.5
0.1 0.4
80 150
380 600
120 160
8
14
110 250
200 250
1.235 1.260
20
60
VOH = 30V
2
VIN = (VO(NOM) - 0.5V), IOL = 400µA
150 400
Upper
25
60
Lower
75 140
15
VSD
Low
0.6
High
2.0
ISD
IO(SD)
VSHUTDOWN = 2.4V
VSHUTDOWN = 30V
VSHUTDOWN ≥ 2V, VIN ≤ 30V,
VOUT = 0, Feedback pin to Tap
100
750
20
Units
V
ppm/°C
%
%
mV
µA
mA
µA
mA
V
nA
µA
mV
mV
mV
V
V
µA
µA
NOTE:
(1) Temperature coefficient is defined as the worst case voltage change divided by total temperature range.
© 1998 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
Share Link: 