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參數(shù)資料
| 型號： | SC2982CSK-5.0T |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 53K |
| 代理商： | SC2982CSK-5.0T |
50mA ULTRA LOW DROPOUT, LOW NOISE
MICROPOWER LINEAR REGULATOR
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
SC2982
PRELIMINARY - March 10, 2000
1
FEATURES
DESCRIPTION
The SC2982 is a 50mA ultra low dropout linear
regulator with a built in CMOS/TTL logic level enable
switch, designed specifically for battery powered
applications where low quiescent current and low
dropout are critical for battery longevity.
The SC2982 uses a Semtech proprietary internal
PNP device for the pass element, providing a low
dropout voltage of 100mV at a load of 50mA, while
maintaining a ground pin current of 600A.
The output noise is reduced by placing a 10nF
capacitor on pin 4 (bypass).
Each device contains a bandgap reference, error
amplifier, PNP pass element, thermal and current
limiting circuitry and resistor divider network for setting
output voltage.
The SC2982 is packaged in a 5 pin SOT-23 surface
mount package for a very small footprint and it
requires only a 1F capacitor on the output for a
minimum number of external components.
APPLICATIONS
Ultra low dropout voltage - 100mV @ 50mA
Guaranteed 50mA output current
Low ground pin current at all loads
<1A quiescent current in shutdown
Wide supply voltage range 2.5V to 16V in
Wide output voltage range
Excellent line regulation
Surface mount packaging (5 pin SOT-23)
Industrial temperature range
Battery Powered Systems
Cellular Telephones
Cordless Telephones
Pagers, Personal Digital Assistants
Portable Instrumentation
Cameras, Portable Consumer Equipment
PCMCIA V
CC & VPP Regulation/Switching
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Maximum
Units
Input Supply Voltage
VIN
-0.3 to +20
V
Power Dissipation
P
D
Internally
Limited
W
Thermal Resistance
θ
JA
256
°C/W
Operating Ambient
Temperature Range
T
A
-40 to +85
°C
Operating Junction
Temperature Range
T
J
-40 to +125
°C
Storage Temperature
Range
T
STG
-65 to +150
°C
Lead Temperature
(Soldering) 10 Sec
T
LEAD
300
°C
ESD Rating (Human
Body Model)
ESD
2
kV
PIN CONFIGURATION
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DEVICE
PACKAGE
SC2982CSK-X.X
(1)(2)
5 pin SOT-23
ORDERING INFORMATION
Notes:
(1) Where -X.X denotes voltage options. Available volt-
ages are: 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 3.6V, 3.8V,
4.0V and 5.0V.
(2) Add suffix ‘TR’ for tape and reel.
BLOCK DIAGRAM
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