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參數(shù)資料
| 型號： | AP2003SLA |
| 英文描述： | Synchronous PWM Controller |
| 中文描述： | 同步PWM控制器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 132K |
| 代理商： | AP2003SLA |
AP2003
(Preliminary)
Synchronous PWM Controller
Features
- Single or Dual Supply Application
- 0.8V + 1.0% Voltage Reference.
- Fast transient response.
- Synchronous operation for high efficiency (95%)
- Soft Start functions
- Small size with minimum external components
- Industrial temperature range
- Under Voltage Lockout function
- SOP-8L package
Applications
- Microprocessor core supply
- Low cost synchronous applications
- Voltage Regulator Modules (VRM)
- DDR termination supplies
- Networking power supplies
- Sequenced power supplies
Pin Assignment
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.1 Feb.10, 2004
1/6
General Description
The AP2003 is a low-cost, full featured, and
synchronous voltage-mode controller designed for
use in single ended power supply applications
where efficiency is of the primary concern. This
synchronous operation allows the elimination of
heat sinks in many applications. The AP2003 is
ideal for implementing DC/DC converters needed to
power advanced microprocessors in low cost
systems, or in distributed power applications where
efficiency is important. Internal level-shift,
high-side drive circuitry, and preset shoot-thru
control, allows the use of inexpensive N-channel
power switches.
AP2003 features include temperature compensated
voltage reference, an internal 200KHz virtual
frequency
oscillator,
protection, soft-start, and shutdown function.
under-voltage
lockout
SOP-8L
1
2
3
4
5
6
7
8
(Top View)
VCC
DRVH
GND
AP2003
DRVL
BSTH
SENSE
SS/SHDN
COMP
Ordering Information
AP2003 X X X
Package
S: SOP-8L
Packing
Blank : Tube
A : Taping
Lead Free
Blank : Normal
L : Lead Free Package
Pin Descriptions
Name
Description
VCC
Chip supply voltage
DRVH
High side driver output
DRVL
Low side driver output
BSTH
Bootstrap, high side driver
SENSE
Voltage sense input
COMP
Compensation pin
SS/
SHDN
Soft start, a capacitor to ground sets
the slow start time
GND
Ground
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