ADP2323 - ADI

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

Part No

ADP2323
Manufacturer

ADI
ChipWorker Part#

CW983468703
Description

Dual 3A, 20V Synchronous Step-Down Regulator with Integrated High-Side Mosfet
Documentation

Datasheet

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ADP2323 Specifications

Attribute	Attribute Value

Part Number	ADP2323
Manufacturer	ADI
ChipWorker Part#	CW983468703
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The ADP2323 is a full featured, dual output, step-down dc-to-dc regulator based on current-mode architecture. The ADP2323 integrates two high-side power MOSFETs and two low-side drivers for the external N-channel MOSFETs. The two pulse-width mod-ulation (PWM) channels can be configured to deliver dual 3 A outputs or a parallel-to-single 6 A output. The regulator operates from input voltages of 4.5 V to 20 V, and the output voltage can be as low as 0.6 V.
The switching frequency can be programmed between 250 kHz and 1.2 MHz, or synchronized to an external clock to minimize interference in multirail applications. The dual PWM channels run 180° out of phase, thereby reducing input current ripple as well as reducing the size of the input capacitor.
The bidirectional synchronization pin can be programmed at a 60°, 90°, or 120° phase shift, providing the possibility for a stackable multiphase power solution.
The ADP2323 can be set to operate in pulse-frequency modulation (PFM) mode at a light load for higher efficiency or in forced PWM for noise sensitive applications. External compensation and soft start provide design flexibility. Independent enable inputs and power good outputs provide reliable power sequencing. To enhance system reliability, the device also includes undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent pro-tection (OCP), and thermal shutdown (TSD).
The ADP2323 operates over the −40°C to +125°C junction temperature range and is available in a 32-lead LFCSP_WQ package.
**Applications**
Communication infrastructure
Networking and servers
Industrial and instrumentation
Healthcare and medical
Intermediate power rail conversion
DC-to-dc point of load applications
### Features and Benefits
Input voltage 4.5 V to 20 V
±1% output accuracy
Integrated 90 mΩ typical high-side MOSFET
Flexible output configuration
Dual output: 3 A/3 A
Parallel single output: 6 A
Programmable switching frequency: 250 kHz to 1.2 MHz
External synchronization input with programmable phase shift, or internal clock output
Selectable PWM or PFM mode operation
Adjustable current limit for small inductor
External compensation and soft start
Startup into precharged output

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