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參數(shù)資料
| 型號： | RT9172F-32PS |
| 廠商： | Richtek Technology Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3A Fixed Output Voltage LDO Regulator |
| 中文描述： | 3A固定輸出電壓LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 236K |
| 代理商： | RT9172F-32PS |
RT9172
1
DS9172-14 March 2007
www.richtek.com
Features
z
Low Dropout Voltage
z
Low Ground Pin Current
z
Load Regulation of 0.4% at 3A
z
0.5mA Quiescent Current in Shutdown Mode
z
Guaranteed Output Current of 3A DC
z
Available in TO-263 and TO-220 Packages
z
Output Voltage Accuracy
±
1.5%
z
Error Flag Indicates Output Status
z
Sense Option Improves Better Load Regulation
z
Extremely Low Output Capacitor Requirements
z
Over-Temperature/Over- Current Protection
z
RoHS Compliant and 100% Lead (Pb)-Free
Pin Configurations
Applications
z
Microprocessor Power Supplies
z
GTL, GTL+, BTL, and SSTL Bus Terminators
z
Power Supplies for DSPs
z
SCSI Terminator
z
Post Regulators
z
High Efficiency Linear Regulators
z
Battery Chargers
z
Other Battery Powered Applications
3A Fixed Output Voltage LDO Regulator
Ordering Information
RT9172
-
General Description
The RT9172 series of low-dropout linear regulators operate
from a +2.25V to +6.0V input supply. A wide range of preset
output voltage options is available. These low dropout linear
regulators respond very fast to step changes in load, which
are suitable for low voltage microprocessor applications.
The RT9172 uses an internal PMOS as the pass device,
which does not cause extra GND current in heavy load
and dropout condition. The shutdown mode of low operation
current makes the IC suitable for power-saving systems.
The other features include current limiting and over
temperature protection.
(TOP VIEW)
2
3
1
VIN GND
(TAB)
TO-263
VOUT
2
3
4
5
6
7
8
VOUT
SENSE
GND
NC
VIN
GND
GND
EN
SOP-8
TO-220
2
3
1
VIN GND
(TAB)
VOUT
SOT-223
2
3
1
V
(
V
Note :
RichTek Pb-free and Green products are :
`
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
`
Suitable for use in SnPb or Pb-free soldering processes.
`
100%matte tin (Sn) plating.
Package Type
T5 : TO-220-5
M5 : TO-263-5
T : TO-220
M : TO-263
G : SOT-223
S : SOP-8
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Output Voltage
15 : 1.5V
16 : 1.6V
:
32 : 3.2V
33 : 3.3V
S : Pin Out Exchange
N : Pin 5 bond SENSE
F : Pin 5 bond FLG
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