AP65552

Document number: DS37306 Rev. 4 - 4

7 of 13

www.diodes.com

October 2018

© Diodes Incorporated

AP65552

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.)

Steady State Test 5A

Time-1µs/div

Startup Through VIN No Load

Time-500µs/div

Startup Through VIN 5A Load

Time-500µs/div

Startup with VREG5 No Load

Time-1ms/div

Shutdown Through VIN No load

Time-50ms/div

Shutdown Through VIN 5A Load

Time-200µs/div

Startup Through VEN No Load

Time-500µs/div

Startup Through VEN 5A Load

Time-500µs/div

Short Circuit Test

Time-100µs/div

Shutdown Through VEN No load

Time-20ms/div

Shutdown Through VEN 5A Load

Time-20ms/div

Short Circuit Recovery

Time-500µs/div

1.05V Load Transient Response

Time-100µs/div

Voltage Ripple at Output (IO=2A)

Time-400ns/div

Voltage Ripple at Input (IO=2A)

Time-400ns/div

VIN (12V/DIV)

VOUT (1V/DIV)

IOUT (500mA/DIV)

SW (10V/DIV)

VIN (12V/DIV)

VOUT (1V/DIV)

IOUT (5A/DIV)

SW (10V/DIV)

VIN (12V/DIV)

VOUT (1V/DIV)

IOUT (5A/DIV)

SW (10V/DIV)

VIN (12V/DIV)

VOUT (1V/DIV)

IOUT (500mA/DIV)

SW (10V/DIV)

VEN (3V/DIV)

VOUT (1V/DIV)

IOUT (500mA/DIV)

SW (10V/DIV)

VEN (3V/DIV)

VOUT (1V/DIV)

IOUT (5A/DIV)

SW (10V/DIV)

VEN (3V/DIV)

VOUT (1V/DIV)

IOUT (5A/DIV)

SW (10V/DIV)

VEN (3V/DIV)

VOUT (1V/DIV)

IOUT (500mA/DIV)

SW (10V/DIV)

VOUT (500mV/DIV)

IOUT (2A/DIV)

VOUT (500mV/DIV)

IOUT (2A/DIV)

VIN_AC (500mV/DIV)

VOUT_AC (50mV/DIV)

IOUT (5A/DIV)

SW (5V/DIV)

EN (3V/DIV)

VREG5 (5V/DIV)

VOUT (500mV/DIV)

VOUT_AC (50mV/DIV)

IOUT (2.5A/DIV)

VOUT_AC (20mV/DIV)

SW (5V/DIV)

SW (5V/DIV)

VIN_AC (100mV/DIV)