IRDC3473 International Rectifier, IRDC3473 Datasheet - Page 9

• Manufacturer Part Number: IRDC3473
• Description: Power Management IC Development Tools 9999V 999A POL IC
• Manufacturer: International Rectifier
• Type: DC/DC Converters, Regulators & Controllersr

Specifications of IRDC3473

• Product: Evaluation Boards
• Tool Is For Evaluation Of: IR3473
• Dimensions: 4 mm x 5 mm
• Factory Pack Quantity: 1

TYPICAL OPERATING WAVEFORMS
Tested with demoboard shown in Fig. 8, VIN = 12V, VCC = 5V, VOUT = 1.05V, Fs = 300kHz, T
unless otherwise specified
5V/div
5V/div
20mV/div
PHASE
Fig. 13: Over Current Protection (tested by
i
VOUT
VOUT
PGOOD
PGOOD
VOUT
i
EN
SS
L
SS
L
1V/div
5V/div
10V/div
Fig. 11: DCM (I
shorting VOUT to PGND)
500mV/div
1V/div
500mA/div
Fig. 9: Startup
500mV/div
10A/div
OUT
= 0.1A)
5ms/div
5µs/div
2ms/div
5V/div
5V/div
20mV/div
1V/div
5V/div
(tested by shorting FB to VOUT)
Fig. 14: Over Voltage Protection
10V/div
500mV/div
Fig. 12: CCM (I
1V/div
5A/div
Fig. 10: Shutdown
500mV/div
2A/div
OUT
IRDC3473
A
= 6A)
= 25
500µs/div
2µs/div
50µs/div
o
C, no airflow,
PGOOD
PGOOD
PHASE
VOUT
VOUT
VOUT
FB
EN
SS
i
i
L
L
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