DIO6912

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© 2024 DIOO MICROCIRCUITS CO., LTD

DIO6912• Rev. 1.6

Electrical Characteristics

VIN = 12 V, VOUT = 1.2 V, L = 2.2 µH, COUT = 22 µF, TA = 25°C, IOUT = 1 A unless otherwise specified.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VIN(1)

Input voltage range

4.5

24

V

IQ

Quiescent current

IOUT = 0, VFB = VREF × 105%

140

µA

ISHDN

Shutdown current

EN = 0

5

10

µA

VREF

Feedback reference voltage

0.588

0.6

0.612

V

IFB(1)

FB input current

VFB = VIN

-50

50

nA

RDS(ON)1(1)

Top FET RON

130

mΩ

RDS(ON)2(1)

Bottom FET RON

90

mΩ

ILIM(1)

Bottom FET valley current limit

2.7

A

VENH

EN rising threshold

TA = -40 to 85°C

1.5

V

VENL

EN falling threshold

TA = -40 to 85°C

0.4

V

UVLOH

Under voltage lock out high

4.2

4.5

V

UVLOL

Under voltage lock out low

3.8

4

V

fSW

Switching frequency

500

kHz

tON

ON time

VIN = 12 V, VOUT = 1.2 V, IOUT = 1 A

200

ns

Min ON time(1)

50

ns

Min OFF time(1)

100

ns

tSS(1)

Soft start time

1

ms

TSD(1)

Thermal shutdown temperature

150

°C

THYS(1)

Thermal shutdown hysteresis

15

°C

Note:

(1) Guaranteed by design.

(2) Specifications subject to change without notice.