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参数资料
| 型号： | SC11228CSKTRT |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.275 V DROPOUT, PDSO6 |
| 封装： | SOT-23, 6 PIN |
| 文件页数： | 4/5页 |
| 文件大小： | 56K |
| 代理商： | SC11228CSKTRT |
1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
150mA ULTRA LOW DROPOUT
MICROPOWER LINEAR REGULATOR
SC112
PRELIMINARY - November 17, 1999
4
BLOCK DIAGRAM
PIN CONFIGURATION
PIN DESCRIPTION
Pin #
Pin Name
Description
1
EN
Active high enable pin. Connect to VIN if not being used.
2
GND
Ground pin. Use for heatsinking along with Pin #5.
3
BYP
Noise bypass pin. Connect a 10nF capacitor (required) between this pin and GND.
4
VO
Regulator output, supplying a guaranteed 150mA.
5
GND
Ground pin. Use for heatsinking along with Pin #2.
6
VIN
Power input pin.
Top View
SOT-23-6L
APPLICATION HINTS (Refer to Sheet 1):
(1) C
IN (C3) is needed if the device is far from the supply’s filter capac-
itors, or for operation from a battery. A value of 1.0F or greater should
be used. C
IN may be tantalum or ceramic.
(2) C
O (C2) should be a 1F or greater tantalum or ceramic capacitor,
with an Equivalent Series Resistance (ESR) between 10m
and 1
over temperature. Larger value capacitors will improve the overall tran-
sient response.
(3) C
BYP (C1 - required) should be placed as close as possible to pin 3
and ground. A 10nF ceramic capacitor is recommended.
(4) EN may be tied to V
IN if the shutdown feature is not required. Maxi-
mum EN voltage = V
IN.
(5) Connect both ground pins (2 and 5) to ground to maximize heat
conduction.
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