ADP1877 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADP1877
Manufacturer

ADI
ChipWorker Part#

CW320657332
RoHS

Lead free / RoHS Compliant
Description

Dual Output Synchronous Buck PWM Controller
Documentation

Datasheet

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ADP1877 Specifications

Attribute	Attribute Value

Part Number	ADP1877
Manufacturer	ADI
ChipWorker Part#	CW320657332
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

Product Details
The ADP1877 is a Flexmode® (proprietary architecture of Analog Devices, Inc.), dual-channel, step-down switching controller with integrated drivers that drive N-channel synchronous power MOSFETs. The two PWM outputs are phase shifted 180°, which reduces the input RMS current, thus minimizing required input capacitance.
The boost diodes are built into the ADP1877, thus lowering the overall system cost and component count. The ADP1877 can be set to operate in pulse skip high efficiency mode under light load or in PWM continuous conduction mode.
The ADP1877 includes externally adjustable soft start, output overvoltage protection, externally adjustable current limit, power good, and a programmable oscillator frequency that ranges from 200 kHz to 1.5 MHz. The ADP1877 provides an output voltage accuracy of ±0.85% from −40°C to +85°C and ±1.5% from −40°C to 125°C in junction temperature. This part can be powered from a 2.75 V to 14.5 V supply, operates over the −40oC to +125oC junction temperature range, and is availa-ble in a 32-lead 5 mm × 5 mm LFCSP package.
**Applications**
Set top boxes
Printers
Communication infrastructure
Distributor power dc systems
Industrial and instrumentation
### Features and Benefits
Input voltage range: 2.75 V to 14.5 V
Output voltage range: 0.6 V to 90% VIN
Maximum output current greater than 25 A per channel
Programmable frequency: 200 kHz to 1.5 MHz
Flexmode® architecture with integrated drivers
180° phase shift minimizes input ripple current and required input capacitance
±0.85% output voltage accuracy
−40°C to +85°C
Please see data sheet for additional features.

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