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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The ADUM3070 series Isolated Switching Regulator with integrated feedback. It is a regulated DC-to-DC isolated power supply controller with an internal MOSFET driver. The DC-to-DC controller has an internal isolated PWM feedback from the secondary side based on the iCoupler® chip scale transformer technology and complete loop compensation. This eliminates the need to use an optocoupler for feedback and compensates the loop for stability. It provides a more stable output voltage and higher efficiency compared to unregulated isolated DC-to-DC power supplies. The regulated feedback provides a relatively flat efficiency curve over the full output power range. It enables a DC-to-DC converter with a 3.3 to 24V isolated output voltage range from either a 5 or a 3.3V input voltage, with an output power of up to 2.5W.
Isolated PWM feedback with built in compensation
Up to 80% efficiency
Soft start function at power-up
Pulse-by-pulse overcurrent protection
Thermal shutdown 2500Vrms isolation
>25kV/µs High common-mode transient immunity

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ADUM3070ARQZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	QSOP-16
Supply Voltage (DC)	3.00V (min)
Number of Outputs	1 Output
Output Voltage	3.3V ~ 24V
Output Current	350 mA
Supply Current	4.00 mA
Number of Channels	1 Channel
Number of Positions	16 Position
Switching Frequency	200kHz ~ 1MHz
Input Voltage (Max)	7 V
Input Voltage (Min)	3 V
Output Voltage (Max)	24 V
Output Voltage (Min)	3.3 V
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	3 V
Input Voltage	3V, 5V
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Size-Length	5 mm
Size-Width	4.01 mm
Operating Temperature	-40℃ ~ 105℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2013/06/20
ECCN Code	EAR99

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SN:H3.69252LO44304V40Q0QC0S1

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