LT1123 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1123' PDF : 16 Pages View PDF
LT1123
TYPICAL APPLICATIO S
5V/1A Regulator with Shutdown
5V Regulator Powered by Multiple Battery Packs*
6V
GEL CELL
1M
620Ω
HI = ON
LO = OFF
1/6
MM74C906
(OPEN COLLECTOR
OUTPUT)
*P-CHANNEL, LOGIC LEVEL
Si9400DY*
68Ω
DRIVE
LT1123 FB
GND
5V/1A OUTPUT
+
10µF
ALUM
LT1123 TA10
5-CELL NiCd
BATTERY PACK
(6V)
+ 10µF
R1
10V
1.5k
MJE1123
R2
820Ω
R3
1.5k
R4
820Ω
+ 10µF
10V
MJE1123
R5
1.5k
R6
820Ω
+ 10µF
10V
MJE1123
DRIVE
LT1123 FB
GND
+
10µF
10V
5V/1A
LT1123 TA06 OUTPUT
*PACKS WILL SHARE CURRENT
RELATED PARTS
PART NUMBER
LT1083/4/5
LT1117
LT1121
LT1761
LT1763
DESCRIPTION
7.5A, 5A, 3A Low Dropout Positive Regulators
800mA Low Dropout Regulator
150mA, Low Dropout LDO
100mA, Low Noise LDO
1.5A, Low Noise, Fast Transient Response LDO
COMMENTS
1.5V Dropout Voltage, 0.1% Load Regulator, 1.25VREF
SOT-223 Package, 0.4% Load Regulator
0.4V Dropout Voltage, IQ = 30µA
300mV Dropout Voltage, IQ = 20µA
Optimized for Hot Response
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
1123fb
LT/LWI/LT 0505 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1992
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