LT1118 Datasheet, PDF (8/8 Pages) Linear Technology – Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output

LT1118/LT1118-2.5
LT1118-2.85/LT1118-5
TYPICAL APPLICATION
Variable 2V to 10V Regulator with Digital Control
12V
IN
OUT
1µF
LT1118
R₁
22k ^R2
5.1k
EN _GND FB
V_OUT
0.1µF
0.22µF
V_CC
D_IN
V_{DAC VOUT}
LTC1257 CLK
R₃
6.2k
GND V_REF LOAD
( ) ^{VOUT = 1.225 1 +}
R₁
R₂ || R₃
– V_DAC
R₁
R₂
µP
1118 TA05
RELATED PARTS
PART NUMBER
LT1005
LT1117
LT1120A
LT1121
DESCRIPTION
Logic Controlled Regulator
800mA Low Dropout Regulator
Micropower Regulator with Comparator and Shutdown
Micropower Low Dropout Regulator with Shutdown
COMMENTS
5V, 1A Main Output Plus 35mA Auxilliary Output
Fixed 2.85V, 3.3V, 5V or Adjustable Outputs
20µA Supply Current, 2.5V Reference Output
Reverse Voltage and Reverse Current Protection
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]^q FAX:[phone] ^q www.linear-tech.com
1118fa LT/TP 0598 2K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1995