DIU6931

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DIU6931• V1.1

Electrical Characteristics

VIN = 12 V, VOUT = 1.2 V, L = 2.2 μH, COUT = 47 μF, TA = 25 °C, IOUT = 1 A, unless otherwise specified.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VIN

Input voltage range

4.5

30

V

IQ

Quiescent current

IOUT = 0, VFB = VREF × 105%

140

µA

ISHDN

Shutdown current

EN = 0

5

10

µA

VFB

Feedback reference voltage

0.754

0.765

0.776

V

IFB

FB input current

VFB = 3.3 V

-50

50

nA

RDS(ON)(1)

Top FET RON

80

mΩ

RDS(ON)(1)

Bottom FET RON

40

mΩ

ILIM(1)

Low side power FET current limit

3.0

4.0

A

VENH

EN rising threshold

TA = 25 °C

0.75

0.8

0.85

V

TA = -40 ~ 125 °C

0.69

0.8

0.91

V

VENL_HYS

Hysteresis

60

80

100

mV

VUVLO

VIN under-voltage unlock

Threshold, rising

4.45

V

VUVLO_HYS

UVLO hysteresis

300

mV

fSW

Switching frequency

700

kHz

Min ON time(1)

40

ns

Min OFF time(1)

180

ns

tSS(1)

Soft start time

1

ms

TSD(1)

Thermal shutdown temperature

148

°C

THYS(1)

Thermal shutdown hysteresis

20

°C

Note:

(1)

Guaranteed by design.

(2)

Specifications subject to change without notice.