Datasheet

15
LT2078/LT2079
20789fa
S8 Package
8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
TYPICAL APPLICATIONS
U
Lead-Acid Low-Battery Detector with System Shutdown
–
+
–
+
2
3
1
6
5
7
8
4
1/2 LT2078
1/2 LT2078
2M
1%
2M
1%
255k
1%
280k
1%
910k
5%
LT1004-1.2
LO = BATTERY LOW
(IF V
S
< 10.90V)
LO = SYSTEM SHUTDOWN
(IF V
S
< 10.05V)
BATTERY
OUTPUT
LT2078/79 • TA13
TOTAL SUPPLY CURRENT = 105µA
12V
PACKAGE DESCRIPTION
U
.016 – .050
(0.406 – 1.270)
.010 – .020
(0.254 – 0.508)
× 45°
0°– 8° TYP
.008 – .010
(0.203 – 0.254)
SO8 0303
.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)