EN5322QI-T Enpirion, EN5322QI-T Datasheet

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EN5322QI-T

Manufacturer Part Number

EN5322QI-T

Description

DC/DC POL 2.4-5.5Vin 0.8-3.3Vout 2A 6x4mm QFN 1k pcs Tape

Manufacturer

Enpirion

Datasheet

1.EN5322.pdf (16 pages)

Specifications of EN5322QI-T

Lead_time

70

Pack_quantity

500

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

BOSTOCK HK LIMITED

Part Number:

EN5322QI-T

Manufacturer:

ALTERA

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Created on 3/12/2008 2:55:00 PM

General Description

The EN5322 is a high efficiency synchronous

buck converter with integrated inductor, PWM

controller,

providing the smallest possible solution size.

The 4 MHz operation allows for the use of tiny

MLCC capacitors. It also enables a very wide

control

transient

impedance.

designed for unconditional stability across all

operating conditions.

Three VID output voltage select pins provide

seven pre-programmed output voltages along

with an option for external resistor divider.

Output voltage can be programmed on-the-fly to

provide fast, dynamic voltage scaling with

smooth transitions between VID programmed

output voltages.

Applications

• Point of Load Regulation for Low Power

• Replacement of LDOs

• Noise Sensitive Applications such as A/V and

• Computing, Computer Peripherals, Storage,

• DSL, STB, DVR, DTV, and iPC

Ordering Information

©Enpirion 2008 all rights reserved, E&OE

EN5322QI-T

EN5322QI-E

Part Number

Processors, Network Processors, DSPs’

FPGAs and ASICs

RF

Networking, and Instrumentation

loop

performance

MOSFETS,

The

bandwidth

Temp Rating (°C)

-40 to +85

internal

QFN Evaluation Board

and

and

providing

compensation

reduced

24-pin QFN T&R

compensation

Package

excellent

2 A Voltage Mode Synchronous Buck PWM

output

DC-DC Converter with Integrated Inductor

is

1

Features

• Revolutionary Integrated Inductor

• Total Solution Footprint as Small as 50 mm

• 4 mm x 6 mm x 1.1 mm QFN Package

• 4 MHz Fixed Switching Frequency

• High Efficiency, up to 95 %

• Low Ripple Voltage; 8 mV

• 2% Initial V

• 2% Initial 0.6 V Feedback Voltage Accuracy

• 2.4 V to 5.5 V Input Voltage Range

• 2 A Continuous Output Current Capability

• Fast Transient Response

• Low Dropout Operation: 100 % Duty Cycle

• Power OK Signal with 5 mA Sink Capability

• Dynamic Voltage Scaling with VID Codes

• 17 µA Typical Shutdown Current

• Under Voltage Lockout, Over Current, Short

• RoHS Compliant; MSL 3 260 °C Reflow

Application Circuit

Circuit, and Thermal Protection

Figure 1. Typical Application Circuit

March 2008

OUT

Accuracy with VID Codes

EN5322QI

P-P

www.enpirion.com

Typical

RoHS Compliant

Halogen Free

2

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