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參數資料
| 型號： | AP2007 |
| 英文描述： | Synchronous PWM Controller |
| 中文描述： | 同步PWM控制器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 181K |
| 代理商： | AP2007 |
AP2007
Synchronous PWM Controller
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. 1.0 Apr 1, 2005
1/7
Features
- Single 4.5V to 20V Supply Application
- 0.8V + 2.0% Voltage Reference
- Virtual Frequency Control
TM
- Fast Transient Response
- Synchronous Operation for High Efficiency (93%)
- Short Circuit Protect
- Small Size with Minimum External Components
- Soft Start and Enable Functions
- Under Voltage Lockout Function
- SOP-8L Pb-Free Package
Applications
- Microprocessor Core Supply
- Low Cost Synchronous Applications
- Voltage Regulator Modules (VRM)
- Networking Power Supplies
- Sequenced Power Supplies
- Telecommunication Power Supplies.
General Description
The AP2007 is a low-cost, full featured, synchronous
voltage-mode controller designed for use in single
ended power supply applications where efficiency is
of primary concern. Synchronous operation allows
for the elimination of heat sinks in many applications.
The AP2007 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.
High-side drive circuitry, and preset shoot-thru
control,
allows
the
use
of
inexpensive
1P+1N-channel power switches.
AP2007’s
features
include
temperature
compensated voltage reference, Virtual Frequency
Control
TM
method to reduce external component count,
an internal 200KHz virtual frequency oscillator,
under-voltage
lockout
protection,
soft-start,
shutdown function and current sense comparator
circuitry.
Virtual Frequency Control is a trademark of
PWRTEK, LLC.
Pin Assignments
SOP-8L
1
(Top View)
VCC
V
REF
PHASE
DRVP
DRVN
FB
GND
AP2007
2
3
4
5
6
7
8
SS/SHDN
Ordering Information
AP2007 X X
Package
Packing
S: SOP-8L
Blank : Tube
A : Taping
Pin Descriptions
Name
Description
VCC
Chip supply voltage
VREF
Reference voltage
PHASE
Input from the phase node between
the MOSFETs
DRVP
High side driver output (P MOSFET)
GND
Ground
DRVN
Low side driver output (N MOSFET)
FB
Feedback input
SS/ SHDN
Soft start, a capacitor to ground sets
the slow start time / Shutdown
function
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AP2007S | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Synchronous PWM Controller |
| AP2007SA | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Synchronous PWM Controller |
| AP2007SL-13 | 功能描述:開關變換器、穩壓器與控制器 SW REG CNTL BUCK BI 200K 9.5MA 20V 1.25V RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| AP2007SL-U | 功能描述:開關變換器、穩壓器與控制器 SW REG CNTL BUCK BI 200K 9.5MA 20V 1.25V RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| AP2008 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PWM Buck Controller |
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