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參數(shù)資料
| 型號： | AT1362A |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | Synchronous Buck Converter With Power Good Detector & LDO |
| 中文描述： | 同步降壓轉(zhuǎn)換器的電源良好探測器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 709K |
| 代理商： | AT1362A |
AT1362A/B
Preliminary Product Information
Synchronous Buck Converter
With Power Good Detector & LDO
General Description
The AT1362A/B provides complete control for
a
DC/DC
high-performance microprocessor applications. It
consists of a synchronous step-down DC/DC
converter and a high-speed LDO regulator
connected in series with the DC/DC converter
output. A power good detector and LDO ON/OFF
control is also built-in(metal option). DC/DC
converter is operated on current mode architecture
for excellent line and load transient response.
1MHz operation frequency is allowing the use of
small surface mount inductor and capacitor. The
internal synchronous switch increases efficiency
and eliminates the need for an external schottky
diode. The AT1362A/B is a family of low-noise
synchronous step-down DC/DC converters that is
ideally suited for systems powered form a 1-cell
Li-ion battery or from a 3-cell to 4-cell NiCd,
NiMH, or alkaline battery. It can also be used to
USB-based power system.
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
5/30/2006 REV:1.0 Email:
service@aimtron.com.tw
1
Features
Operation Voltage 2.5V~6.0V
Oscillation frequency 1MHz
Output Current Maximum 400mA
（
DC-DC
Converter
）
Built-In 400mA/LDO
Power Good Indicator with Time Delay
Adjustable
Built-In Current Limit
Built-In UVLO
Built-In Thermal ShutDown
Applications
Power Supply for Slim Type devices
converter
optimized
for
Block Diagram
Current
Sense
OSC
+
SLOPE
R
S
Q
SW
Vref
+
-
VCC
PGND
Shoot
Throught
PG
DELAY
OUT2
OUT1
+
-
Vref
Current
Limit
5
UVLO
VREG
Vref
-
+
0.7V
R2
R1
UVLO
*OUT1=2.5V/1.8V
Metal Option
Auto
Discharge
VCC
0.7
R4
R3
1uA
VBG
VBG
AGND
+
-
+
-
CTL
BPC
Aimtron reserves the right without notice to change this circuitry and specifications.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT1362AN | Synchronous Buck Converter With Power Good Detector & LDO |
| AT1362B | Synchronous Buck Converter With Power Good Detector & LDO |
| AT1362BN | Synchronous Buck Converter With Power Good Detector & LDO |
| AT1366B | 1MHz,800mA Synchronous Buck Converter |
| AT1366BX | 1MHz,800mA Synchronous Buck Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT1362AN | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Synchronous Buck Converter With Power Good Detector & LDO |
| AT1362B | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Synchronous Buck Converter With Power Good Detector & LDO |
| AT1362BN | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Synchronous Buck Converter With Power Good Detector & LDO |
| AT1366 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1MHZ 800MA SYNCHRONOUS BUCK CONTROLLER |
| AT1366B | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:1MHz,800mA Synchronous Buck Converter |
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