1A Low-Voltage Low-Dropout Regulator
LM37101/37102
ELECTRICAL CHARACTERISTICS
VIN= VOUT +1V; VEN = 2.25V; TJ = 25°C, bold values indicate -40°C ≤ TJ ≤ +125°C; unless noted
Symbol
Parameters
Condition
Min.
Typ.
Max.
Unit
10mA
-1
-2
1
2
%
%
VOUT
Output Voltage
10mA ≤ IOUT ≤ 1A, VOUT+1V ≤ VIN ≤8V
Line Regulation
Load Regulation
IOUT=10mA, VOUT +1V ≤ VIN ≤ 16V
0.06
0.2
0.5
1
%
%
VIN= VOUT +1V, 10mA ≤ IOUT ≤ 1A
Output Voltage Temp.
Coefficient (Note 4)
ΔVOUT/ΔT
40
100
ppm/ °C
170
210
250
mV
mV
I
OUT=100mA, ΔVOUT = -1%
IOUT=500mA, ΔVOUT = -1%
IOUT=750mA, ΔVOUT = -1%
315
mV
mV
VDO
Dropout Voltage (Note 5)
390
470
500
570
630
mV
mV
IOUT=1A, ΔVOUT = -1%
IOUT=100mA, VIN= VOUT+1V
IOUT=500mA, VIN= VOUT+1V
IOUT=750mA, VIN= VOUT+1V
VOUT=0V, VIN=VOUT+1V
700
4
μA
mA
mA
A
IGND
Ground Current (Note 6)
Current Limit
7
IOUT(lim)
1.8
2.5
0.8
Enable Input
logic low (off)
logic high (on)
V
V
VEN
Enable Input Voltage
2.25
1
15
30
75
2
μA
μA
μA
μA
VEN=2.25V
IEN
Enable Input Current
VEN=0.8V
4
IOUT =10mA, VIN =VOUT +1V,
50
500
2000
3000
V
EN =0V to VIN
IOUT =500mA, VIN =VOUT +1V,
EN =0V to VIN
IOUT =1.0A, VIN =VOUT +1V,
Delay time to
250
350
μs
TEN
Nominal Output Voltage
V
(Note 7)
VEN =0V to VIN
Flag Output
Output Leakage
Current
0.01
240
1
2
μA
μA
IFLG (leak)
VFLG (do)
V
OH=16V
Output Low Voltage
300
400
mV
mV
VIN=0.9.VOUT NOMINAL, IOL=250μA
(Note 8)
Low Threshold
High Threshold
Hysteresis
% of VOUT
% of VOUT
93
%
%
%
VFLG
99.2
1
Nov. 2011 – R1.1
- 4 -
HTC
HTC [ HTC KOREA TAEJIN TECHNOLOGY CO. ]
