AP65352

Document number: DS38482 Rev. 2 - 3

5 of 15

www.diodes.com

December 2017

© Diodes Incorporated

AP65352

Electrical Characteristics (@TA = +25°C, VIN = 12V, unless otherwise specified.)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

SUPPLY VOLTAGE (VIN PIN)

Input Voltage

VIN

—

4.5

—

18

V

Quiescent Current

IQ

VFB = 0.85V

—

0.6

0.75

mA

Shutdown Supply Current

ISHDN

VEN = 0V

—

1

10

μA

UNDERVOLTAGE LOCKOUT

UVLO Threshold

VUVLO

VIN Rising Test VREG5 Voltage

3.6

3.85

4.1

V

UVLO Hysteresis

VHYS

VIN Falling Test VREG5 Voltage

0.16

0.35

0.47

V

ENABLE (EN PIN)

EN High-Level Input Voltage

VENH

—

1.25

—

18

V

EN Low-Level Input Voltage

VENL

—

—

—

0.85

V

VOLTAGE REFERENCE (FB PIN)

Feedback Voltage

VFB

VOUT = 1.05V

0.753

0.765

0.777

V

Feedback Bias Current

IFB

VFB = 0.8V

-0.1

0

0.1

μA

VREG5 OUTPUT

VREG5 Output Voltage

VVREG5

6.0V < VIN < 18V 0 < IVREG5 < 5mA

4.8

5.1

5.4

V

Source Current Capability

—

VIN = 6V, VVREG5 = 4V

—

100

—

mA

Load Regulation

—

0 < IVREG5 < 5mA

—

—

100

mV

Line Regulation

—

6.0V < VIN < 18V IVREG5 = 5mA

—

—

20

mV

MOSFET

High-Side Switch On-Resistance

RDSONH

—

—

0.090

—

Ω

Low-Side Switch On-Resistance

RDSONL

—

—

0.057

—

Ω

CURRENT LIMIT

High Level Current Limit

ILIM-H

L =

1.5μH

3.9

4.5

5.5

A

ON-TIME TIMER

On Time

tON

VIN = 12V, VOUT = 1.05V

—

150

—

ns

Minimum Off Time

tOFF-MIN

VFB = 0.7V

—

260

310

ns

THERMAL SHUTDOWN

Thermal Shutdown

TOTSD

—

—

+150

—

°C

Thermal Shutdown Hysteresis

THYS

—

—

+25

—

°C

SOFT START (SS PIN)

Soft-Start Source Current

ISS-SOURCE

VSS = 1.0V

4.2

6.0

7.8

μA

Soft-Start Discharge Current

ISS-DISCHARGE

VSS = 0.5V

0.1

0.2

—

mA

OVERVOLTAGE PROTECTION

OVP Trip Threshold

—

—

115

120

125

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