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