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參數(shù)資料
| 型號(hào)： | IRU1237SCCP |
| 廠商： | International Rectifier |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE INTEGRATED, FIXED OUTPUT LINEAR VOLTAGE REGULATORS |
| 中文描述： | 三項(xiàng)綜合，固定輸出線性穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 54K |
| 代理商： | IRU1237SCCP |
IRU1237SC
1
Rev. 1.2
07/14/03
www.irf.com
PACKAGE ORDER INFORMATION
APPLICATIONS
Hard Disk Drive
Multi-Outputs Applications
High Efficiency Linear Regulator
DESCRIPTION
The IRU1237SC voltage regulator solution contains three
integrated, fixed, linear voltage regulators in one 7-pin
surface mount package. The first is a 2.6V regulator to
power the read channel and integrated controller/
μ
P. The
second is a 3.3V regulator to power the controller I/O
and memory chips requiring 3.3V. The last is an 8V regu-
lator to power the preamp chip. The bandgap reference,
the 8V ground, and the substrate are all tied to a com-
mon ground pin, while the 2.6V and 3.3V ground is tied
to a separate ground pin. This grounding scheme allows
for improved noise isolation between the 8V regulator
and the 2.6V and 3.3V regulators.
The 2.6V and 3.3V regulators shall each be capable of
1.2A continuous for a 5.25V input. The 8V regulator shall
be capable of 0.2A continuous for a 13.2V input.
THREE INTEGRATED, FIXED OUTPUT
LINEAR VOLTAGE REGULATORS
Figure 1 - Typical application of IRU1237SC.
Data Sheet No. PD94581
FEATURES
Stable with Ceramic Capacitor
Fixed 8V, 3.3V and 2.6V
Fast Transient Response
Output Current Limiting for each outputs
Built-In Thermal Shutdown
PRELIMINARY DATA SHEET
TYPICAL APPLICATION
TJ (
°
C) 7-PIN PLASTIC PACKAGE
Ultra Thin-Pak
TM
(P) MARKING
0 To 150 IRU1237SCCP US1237SCCP
Gnd
26/33
V
33
V
CC
Gnd
8
V
8
V
DD
V
26
10uF
12V
5V
IRU1237SC
10uF
1uF
1uF
10uF
2.6V / 1.2A
8V / 200mA
3.3V / 1.2A
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