1A Low-Voltage Low-Dropout Regulator

LM37100/1/37102

Jun. 2015

– R1.4

- 5

-

HTC

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

VOUT

Output Voltage

10mA

10mA ≤ IOUT ≤ 1A, VOUT+1V ≤ VIN ≤8V

-1

-2

1

2

%

%

Line Regulation

IOUT=10mA, VOUT +1V ≤ VIN ≤ 16V

0.06

0.5

%

Load Regulation

VIN= VOUT +1V, 10mA ≤ IOUT ≤ 1A

0.2

1

%

ΔVOUT/ΔT

Output Voltage Temp.

Coefficient

(Note 4)

40

100

ppm/ °C

VDO

Dropout Voltage

(Note 5)

IOUT=100mA, ΔVOUT = -1%

170

210

250

mV

mV

IOUT=500mA, ΔVOUT = -1%

315

mV

IOUT=750mA, ΔVOUT = -1%

390

500

mV

IOUT=1A, ΔVOUT = -1%

470

570

630

mV

mV

IGND

Ground Current

(Note 6)

IOUT=100mA, VIN= VOUT+1V

700

μA

IOUT=500mA, VIN= VOUT+1V

4

mA

IOUT=750mA, VIN= VOUT+1V

7

mA

IOUT(lim)

Current Limit

VOUT=0V, VIN=VOUT+1V

1.8

2.5

A

Enable Input

VEN

Enable Input Voltage

logic low (off)

0.8

V

logic high (on)

2.25

V

IEN

Enable Input Current

VEN=2.25V

1

15

30

75

μA

μA

VEN=0.8V

2

4

μA

μA

TEN

Delay time to

Nominal Output Voltage

(Note 7)

IOUT =10mA, VIN =VOUT +1V,

VEN =0V to VIN

50

500

μs

IOUT =500mA, VIN =VOUT +1V,

VEN =0V to VIN

250

2000

IOUT =1.0A, VIN =VOUT +1V,

VEN =0V to VIN

350

3000

Flag Output

IFLG (leak)

Output Leakage

Current

VOH=16V

0.01

1

2

μA

μA

VFLG (do)

Output Low Voltage

(Note 8)

VIN=0.9.VOUT NOMINAL, IOL=250μA

240

300

400

mV

mV

VFLG

Low Threshold

% of VOUT

93

%

High Threshold

% of VOUT

99.2

%

Hysteresis

1

%