Datasheet Analog Devices ADUM3070ARQZ — 数据表

Isolated Switching Regulator
With Integrated Feedback
ADuM3070 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM
VISO VDD1 RECT X1 X2 VREG ADuM3070
REG
VDDA 5V PRIMARY
CONVERTER/
DRIVER SECONDARY
CONTROLLER
INTERNAL
FEEDBACK GND1 VDD2 FB
OC GND2 NOTES
1. VDD1 IS THE POWER SUPPLY FOR THE PUSH-PULL TRANSFORMER.
2. VDDA IS THE POWER SUPPLY OF SIDE 1 OF THE ADuM3070. 10437-001 Isolated PWM feedback with built in compensation
Primary side transformer driver for up to 2.5 W output power
with 5 V input voltage
Regulated adjustable output: 3.3 V to 24 V
Up to 80% efficiency
200 kHz to 1 MHz adjustable oscillator
Soft start function at power-up
Pulse-by-pulse overcurrent protection
Thermal shutdown …