DIO60010/A

Version 1.4, Oct 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

4

6. Electrical Characteristics

The values are obtained under these conditions unless otherwise specified: VIN = 5 V, VOUT = 1.8 V, L = 1 µH,

COUT = 10 µF, TA = 25°C.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VIN

Input voltage range

2.5

5.5

V

IQ

Quiescent current

IOUT = 0, FB = 0.65 V, EN = 1

Auto mode devices

25

µA

IOUT = 0, FB = 0.65 V, EN = 1

FPWM devices

180

µA

ISTD

Standby current

IOUT = 0, Auto mode devices

EN = 1, See Table 1

50

µA

ISHDN

Shutdown current

EN = 0

0.1

1

µA

VREF

Feedback reference voltage

0.588

0.6

0.612

V

RDS(ON),P(1)

PFET RON

IOUT = 100 mA

260

mΩ

RDS(ON),N(1)

NFET RON

IOUT = 100 mA

180

mΩ

RDIS

Discharge resistance

500

Ω

ILIM(1)

PFET current limit

2

A

VENH

EN rising threshold

1

V

VENL

EN falling threshold

0.4

V

VUVLO

Input undervoltage lockout threshold

2.15

2.45

V

VHYS

Undervoltage lockout hysteresis

0.15

V

fSW

Switching frequency

IOUT = 500 mA

1.65

MHz

VPG

Power good threshold

VFB rising, referenced to VFB

nominal

95

%

VFB falling, referenced to VFB

nominal

90

%

Min ON time(1)

80

ns

Max duty cycle

100

%

tSS(1)

Soft-start time

VOUT rise from 10% to 90%

0.5

ms

TSD(1)

Thermal shutdown temperature

150

°C

THYS(1)

Thermal shutdown hysteresis

20

°C

Note:

(1) Guaranteed by design.

(2) Specifications subject to change without notice.