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Part Number: ADP3088
Description: The ADP3088 is a high frequency, non-synchronous PWM step-down DC-DC regulator with an integrated 1A power switch in a ...
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ADP3088
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General Description
ADP3088 General Description
The ADP3088 is a high frequency, non-synchronous PWM step-down DC-DC regulator with an integrated 1A power switch in a space-saving MSOP8 package. It provides high efficiency, excellent dynamic response, and is very simple to use.
The ADP3088's 1 MHz switching frequency allows for small, inexpensive external components, and the current mode control loop is simple to compensate and eases noise filtering. It operates in PWM current mode under heavy loads and saves energy at lighter loads by switching automatically into Power Saving mode. Soft start is integrated completely on chip, as is the cycle-by-cycle current limit.
Capable of operating from 2.5 V to 11 V input, it is ideal for many applications, including portable, battery power applications, where local point-of-use power regulation is required. Supporting output voltages down to 1.25 V, the ADP3088 is ideal to generate low voltage rails, providing the optimal solution in its class for delivering power efficiently, responsively, and simply with minimal printed circuit board area.
The device is specified over the industrial temperature range of -40 °C to +85°C.
ADP3088 Maximum Ratings
Input Supply Voltage .................................. 0.3 V to +12 V
Voltage on any pin with respect to GND ..... 0.3 V to +12 V
(voltage on any pin may not exceed VIN)
Operating Ambient Temperature Range .. 40°C to +85°C
Operating Junction Temperature ............................ +125°C
JA (4-layer board) ............................................. +116°C/W
JA (2-layer board) ............................................. +159°C/W
Storage Temperature Range ................. 65°C to +150°C
Lead Temperature Range (Soldering, 10 sec.) ..... ...+300°C
Vapor Phase (60 sec) .......................................... +215°C
Infrared (15 sec) ................................................. +220°C
Voltage on any pin with respect to GND ..... 0.3 V to +12 V
(voltage on any pin may not exceed VIN)
Operating Ambient Temperature Range .. 40°C to +85°C
Operating Junction Temperature ............................ +125°C
JA (4-layer board) ............................................. +116°C/W
JA (2-layer board) ............................................. +159°C/W
Storage Temperature Range ................. 65°C to +150°C
Lead Temperature Range (Soldering, 10 sec.) ..... ...+300°C
Vapor Phase (60 sec) .......................................... +215°C
Infrared (15 sec) ................................................. +220°C
ADP3088 Features
1 MHz PWM Frequency
Automatic PWM to Power Saving Mode at Light Load
Fully Integrated 1 A Power Switch
3% Output Regulation Accuracy over Temperature, Line, and Load
100% Duty Cycle Operation
Simple Compensation
Output Voltage: 1.25 V to 10.5 V
Small Inductor and MLC Capacitors
Low Quiescent Current while Pulse Skipping
Thermal Shutdown
Fully Integrated Soft Start
Cycle-by-cycle Current Limit
Automatic PWM to Power Saving Mode at Light Load
Fully Integrated 1 A Power Switch
3% Output Regulation Accuracy over Temperature, Line, and Load
100% Duty Cycle Operation
Simple Compensation
Output Voltage: 1.25 V to 10.5 V
Small Inductor and MLC Capacitors
Low Quiescent Current while Pulse Skipping
Thermal Shutdown
Fully Integrated Soft Start
Cycle-by-cycle Current Limit
ADP3088 Typical Application
PDAs and Palmtop Computers
Notebook Computers
PCMCIA Cards
Bus Products
Portable Instruments
Notebook Computers
PCMCIA Cards
Bus Products
Portable Instruments
ADP3088 Connection Diagram
ADP3088
PDF/DataSheet Download
- Datasheet: ADP3088
- File Size: 638200 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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