LT1108_15 Datasheet, PDF (12/12 Pages) Linear Technology – Micropower DC/DC Converter Adjustable and Fixed 5V, 12V

LT1108
TYPICAL APPLICATI S
V_IN
5V INPUT
5V to – 5V Converter
220Ω
+
33pF
I_LIM
V_IN
SW1
LT1108-5
SENSE
GND SW2
L1*
300µH
* L1 = COILTRONICS CTX300-4
+
MBRS130T3
330µF
–5V OUTPUT
150mA
LT1108 • TA03
6.5V-20V to 5V Step-Down Converter
V_IN
6.5V
0.22Ω
ZETEX
ZTX-949
L1*
100µH
TO
20V
100Ω
47µF
100Ω
1N5818
V_IN
I_LIM
220Ω
SW1
5V_OUT
200mA AT 6.5V_IN
500mA AT 8V_IN
330µF
LT1108-5
SENSE
GND
SW2
LT1108 • TA04
* L1 = COILTRONICS CTX100-4
PACKAGE DESCRIPTIO Dimensions in inches (millimeters) unless otherwise noted.
0.300 – 0.320
(7.620 – 8.128)
N8 Package
8-Lead Plastic DIP
0.045 – 0.065
(1.143 – 1.651)
0.130 ± 0.005
(3.302 ± 0.127)
0.400
(10.160)
MAX
8
7
6
5
0.009 – 0.015
(0.229 – 0.381)
+0.025
0.325 _–0.015
( ) ^8.255
+0.635
–0.381
0.065
(1.651)
TYP
0.045 ± 0.015
(1.143 ± 0.381)
0.100 ± 0.010
(2.540 ± 0.254)
0.125
(3.175)
MIN
0.020
(0.508)
MIN
0.018 ± 0.003
(0.457 ± 0.076)
0.250 ± 0.010
(6.350 ± 0.254)
12
3
4
N8 0393
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.016 – 0.050
0.406 – 1.270
S8 Package
8-Lead Plastic SOIC
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
BSC
0.228 – 0.244
(5.791 – 6.197)
0.189 – 0.197
(4.801 – 5.004)
8
7
6
5
0.150 – 0.157
(3.810 – 3.988)
SO8 0393
1
2
34
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
[phone] ^q FAX: [phone] ^q TELEX: 499-3977
LT/GP 0493 10K REV 0
© LINEAR TECHNOLOGY CORPORATION 1993