AP65455

Document number: DS37994 Rev. 3 - 4

8 of 15

www.diodes.com

October 2018

© Diodes Incorporated

AP65455

PART OBSOLETE - NO ALTERNATE PART

Typical Performance Characteristics (Cont.)

(@TA = +25°C, VIN = 12V, VOUT = 1.05V, L = 1.5µH, C1 = 20µF, C2 = 44µF, unless otherwise specified.)

Startup Through VEN 4A Load

Time-1ms/div

Startup Through VIN 4A Load

Time-1ms/div

Short Circuit Test

Time-200µs/div

Shutdown Through VEN 4A Load

Time-50µs/div

Shutdown Through VIN 4A Load

Time-200µs/div

Short Circuit Recovery

Time-1ms/div

Load Transient Response (0 to 4A)

Time-100µs/div

Load Transient Response (1 to 4A)

Time-100µs/div

Switching State 4A Load

Time-1µs/div

Startup with VREG5

Time-1ms/div

Power Good Rising 4A Load

Time-500µs/div

Power Good Falling 4A Load

Time-2ms/div

VIN (12V/DIV)

VOUT (1V/DIV)

IOUT (4A/DIV)

SW (10V/DIV)

VEN (5V/DIV)

PG (5V/DIV)

IOUT (4A/DIV)

VOUT (1V/DIV)

VEN (5V/DIV)

IOUT (4A/DIV)

SW (10V/DIV)

VOUT (1V/DIV)

EN (5V/DIV)

VREG5 (5V/DIV)

VOUT (500mV/DIV)

VEN (5V/DIV)

VOUT (1V/DIV)

IOUT (4A/DIV)

SW (10V/DIV)

VIN (12V/DIV)

VOUT (1V/DIV)

IOUT (4A/DIV)

SW (10V/DIV)

VOUT (500mV/DIV)

IOUT (2A/DIV)

VOUT (500mV/DIV)

IOUT (2A/DIV)

VOUT_AC (50mV/DIV)

IOUT (2A/DIV)

VOUT_AC (50mV/DIV)

IOUT (2A/DIV)

VEN (5V/DIV)

PG (5V/DIV)

IOUT (4A/DIV)

VOUT (1V/DIV)

VIN AC 50mV/DIV

SW 10V/DIV

IL (2A/DIV)

VOUT_AC (20mV/DIV)