Data Sheet Rev. G, November 2023 | Subject to change without notice

4 of 16

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ACT4529

40 V/3.0 A CV/CC Buck Converter Featuring QC2.0, USB Auto-Detect and USB-PD

®

ELECTRICAL CHARACTERISTICS

(VIN = 12 V, TA = 25 °C, unless otherwise specified.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Input Over Voltage Protection

VIN_OVP

Rising

40

42

44

V

Input Over Voltage Hysteresis

4

V

Input Over Voltage Response Time

T_VIN_OVP

VIN step from 30 V to 45 V

250

ns

Input Under Voltage Lockout (UVLO)

VIN

Rising

4.5

V

Input UVLO Hysteresis

200

mV

Input Voltage Power Good Deglitch Time

No OVP

40

Ms

Input Voltage Power Good Deglitch Time

No UVP

10

uA

Input Standby Current

VIN = 12 V, VOUT = 5.1 V,

ILOAD = 0

500

uA

Output Voltage Regulation

CSP

5.05

9.0

11.95

5.1

9.1

12.1

5.15

9.2

12.25

V

Output Over Voltage Protection (OVP)

Output rising

5.7

10.1

13.5

V

Input Brownout Protection

(ACT4529YH-T1011 only)

VIN Drop Threshold

Falling Threshold

7.7

8.0

8.3

V

Hysteresis

200

mV

VOUT Drop Delay Time

416

480

ms

QC and PDC

Restart time

416

480

ms

Output Over Voltage Deglitch Time

1.0

us

Output Voltage Cord Compensation

ACT4529YH-T0010

66 mV between CSP and

CSN

-15%

200

+15%

mV

ACT4529YH-T0011

-15%

200

+15%

mV

ACT4529YH-T1011

-15%

200

+15%

mV

Output Under Voltage Protection (UVP)

VOUT

VOUT falling

-10%

3.2

10%

V

UVP Hysteresis

VOUT

VOUT falling

0.2

V

UVP Deglitch Time

VOUT

10

us

UVP Blanking Time at Startup

3.5

ms