DIO6970

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© 2018 DIOO MICROCIRCUITS CO., LTD

DIO6970• Rev. 1.1

 

Electrical Characteristics

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

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VIN

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

0.788

0.8

0.812

V

IFB

FB Input Current

VFB=VIN

-50

50

nA

RDS(ON)

Top FET RON

120

mΩ

RDS(ON)

Bottom FET RON

75

mΩ

ILIM

Bottom FET Valley Current Limit

2

A

VENH

EN Rising Threshold

1.5

V

VENL

EN Falling Threshold

0.4

V

VUVLO

Input UVLO Threshold

4.5

V

fSW

Switching Frequency

500

kHz

TON

ON Time

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

200

ns

Min ON Time

50

ns

Min OFF Time

100

ns

TSS

Soft Start Time

1

ms

TSD

Thermal Shutdown Temperature

150

°C

THYS

Thermal Shutdown Hysteresis

15

°C

Specifications subject to change without notice.