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データシート KA78RM33 PDF ( 特性, スペック, ピン接続図 )

部品番号 KA78RM33
部品説明 Low Dropout Voltage Regulator
メーカ Fairchild
ロゴ Fairchild ロゴ 
プレビュー
Total 6 pages
		
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KA78RM33 Datasheet, KA78RM33 PDF,ピン配置, 機能
KA78RM33
Low Dropout Voltage Regulator
www.fairchildsemi.com
Features
• 0.5A / 3.3V Output low dropout voltage regulator
• Low dropout voltage (Max. 0.6V)
• Over current protection, Thermal shutdown
• SOA protection, Shortcircuit protection
Description
The KA78RM33 is a low-dropout voltage regulator suitable
for various electronic equipment. It provide constant voltage
power source with surface mount type package (D-PAK).
dropout voltage of KA78RM33 is below 0.6V in full rated
current(0.5A). This regulator has various function such as
over current protection, thermal shut down and SOA (Safe
operating Area) protection.
D-PAK
1
TO-220
Internal Block Digram
Vin 1
Current
Generator
Bandgap
Reference
Thermal
Shutdown
Protection
Short Circuit
Protection
Error
Amp.
1
1. Vin 2. GND 3. Vout
SOA
Protection
Q1 3 Vout
Output
Drive
R1
GND 23
©2001 Fairchild Semiconductor Corporation
R2
Rev. 1.0.1

1 Page



KA78RM33 pdf, ピン配列
KA78RM33
Mechanical Dimensions
Package
9.90 ±0.20
(8.70)
ø3.60 ±0.10
TO-220
Dimensions in millimeters
4.50 ±0.20
1.30
+0.10
–0.05
1.27 ±0.10
2.54TYP
[2.54 ±0.20]
1.52 ±0.10
0.80 ±0.10
2.54TYP
[2.54 ±0.20]
0.50
+0.10
–0.05
2.40 ±0.20
10.00 ±0.20
3


3Pages


KA78RM33 電子部品, 半導体
KA78RM33
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
6/20/01 0.0m 001
Stock#DSxxxxxxxx
2001 Fairchild Semiconductor Corporation

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