LT1120A
10
1120afb
For more information www.linear.com/LT1120A
Typical applicaTions
Current Limited 1 Amp Regulator
Battery Backup Regulator
1120A TA05
V
OUT
FB
4
V
OUT
5V
2
0.001µF
1M
50k
1M
10µF
LT1120A
1
GND
5
V
IN
BATTERY
INPUT
V
IN
FB
LT1120A
1
GND
V
OUT
5
MAIN
POWER
INPUT
+
4
2
V
IN
V
OUT
INTERNAL PARASITIC
DIODES OF LT1120A
LT1120A
1
GND
1M
100k
220µF
+
0.22µF
V
OUT
270Ω
2.2k
5
V
IN
4
2
FB
0.5Ω*
V
IN
V
OUT
5V AT 1A
*
SETS CURRENT
LIMIT BUT INCREASES
DROPOUT VOLTAGE
BY 0.5V.
MUST HAVE LOW
ESR. SEVERAL 100µF
CAPACITORS CAN BE
PARALLELED.
1120A TA06
MJE2955 2N3906*
LT1120A
11
1120afb
For more information www.linear.com/LT1120A
package DescripTion
N8 REV I 0711
.065
(1.651)
TYP
.045 – .065
(1.143 – 1.651)
.130 ±.005
(3.302 ±0.127)
.020
(0.508)
MIN
.018 ±.003
(0.457 ±0.076)
.120
(3.048)
MIN
.008 – .015
(0.203 – 0.381)
.300 – .325
(7.620 – 8.255)
.325
+.035
–.015
+0.889
–0.381
8.255
( )
1 2
3
4
8 7 6
5
.255 ±.015*
(6.477 ±0.381)
.400*
(10.160)
MAX
NOTE:
1. DIMENSIONS ARE
INCHES
MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
.100
(2.54)
BSC
N Package
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510 Rev I)
Please refer to http://www.linear.com/product/LT1120A#packaging for the most recent package drawings.
LT1120A
12
1120afb
For more information www.linear.com/LT1120A
package DescripTion
.016 – .050
(0.406 – 1.270)
.010 – .020
(0.254 – 0.508)
× 45°
0°– 8° TYP
.008 – .010
(0.203 – 0.254)
SO8 REV G 0212
.053 – .069
(1.346 – 1.752)
.014 – .019
(0.355 – 0.483)
TYP
.004 – .010
(0.101 – 0.254)
.050
(1.270)
BSC
1
2
3
4
.150 – .157
(3.810 – 3.988)
NOTE 3
8
7
6
5
.189 – .197
(4.801 – 5.004)
NOTE 3
.228 – .244
(5.791 – 6.197)
.245
MIN
.160 ±.005
RECOMMENDED SOLDER PAD LAYOUT
.045 ±.005
.050 BSC
.030 ±.005
TYP
INCHES
(MILLIMETERS)
NOTE:
1. DIMENSIONS IN
2. DRAWING NOT TO SCALE
3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
4. PIN 1 CAN BE BEVEL EDGE OR A DIMPLE
S8 Package
8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610 Rev G)
Please refer to http://www.linear.com/product/LT1120A#packaging for the most recent package drawings.

LT1120ACS8#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
LDO Voltage Regulators Micropower Regulator with Comparator and Shutdown
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union