參數(shù)資料
型號: LP2951CM-5
廠商: Semtech Corporation
英文描述: 150mA ADJUSTABLE VOLTAGE REGULATOR
中文描述: 150mA的可調(diào)電壓調(diào)節(jié)器
文件頁數(shù): 2/3頁
文件大小: 67K
代理商: LP2951CM-5
LP2951
1998 SEMTECH CORP.
150mA ADJUSTABLE
VOLTAGE REGULATOR
March 17, 1998
652 MITCHELL ROAD NEWBURY PARK CA 91320
2
NOTE:
(1) Temperature coefficient is defined as the worst case voltage change divided by total temperature range.
ELECTRICAL CHARACTERISTICS
Unless specified, limits are over operating temperature range (T
J = TA), VIN = VOUT(NOM) + 1V, IL=100A, CL=1F
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Voltage
LP2951CM
V
OUT
T
J = 25°C, IL = 100A
4.950
5.000
5.050
V
LP2951CM-3.3
3.267
3.300
3.333
Temp Coefficient
(1)
T
C
0°C
≤ T
J
=70°C
20
120
ppm/°C
Line Regulation
REG
(LINE)
(V
O(NOM) + 1V) ≤ VIN
=≤=30V
0.1
0.5
%
Load Regulation
REG
(LOAD)
100A
≤ I
L
=≤=100mA
0.1
0.4
%
Dropout Voltage
V
D
I
L
===100A
80
150
mV
I
L
===100mA
380
600
Ground Current
I
GND
I
L
===100A
120
160
A
I
L
===100mA
814
mA
Dropout Ground Current
I
GND(D)
V
IN = (VO(NOM) - 0.5V), IL
===100A
110
250
A
Current Limit
I
CL
V
OUT = 0
200
250
mA
Reference Voltage
V
REF
V
REF ≤ VOUT ≤ (VIN - 1V), TJ =
=25°C,
100A
≤ I
L
=≤=100mA
1.210
1.235
1.260
V
Feedback Bias Current
I
FB
20
60
nA
Error Comparator
Output High Leakage
Current
V
OH = 30V
2
A
Output Low Voltage
V
IN = (VO(NOM) - 0.5V), IOL = 400A
150
400
mV
Threshold Voltage
Upper
25
60
mV
Lower
75
140
Hysteresis
15
mV
Shutdown Input
Input Logic Voltage
V
SD
Low
0.6
V
High
2.0
V
Input Current
I
SD
V
SHUTDOWN = 2.4V
100
A
V
SHUTDOWN = 30V
750
Regulator Shutdown
Output Current
I
O(SD)
V
SHUTDOWN ≥ 2V, VIN ≤ 30V,
V
OUT = 0, Feedback pin to Tap
20
A
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