LTC1157 Linear Technology, LTC1157 Datasheet - Page 7

• Manufacturer Part Number: LTC1157
• Description: 3.3V Dual Micropower High-Side/Low-Side MOSFET Driver
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
3.3V OR 5V
+
180 F
6V
+
3 TO 4
CELL
BATTERY
PACK
1M
430k
CONTROL
6
7
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.
1M
OR P
LOGIC
AO
SET
I
LIM
Ultra Low Voltage Drop Battery Switch with Reverse Battery
1
LT1111
U
GND
Protection, Ramped Output and 3 A Standby Current
V
IN
Generating 3.3V and 5V from a 3.3V or 5V Source
2
5
SW1
SW2
2N7002
1M
3
FB
0.47 F
IN1
IN2
4
8
LTC1157
39
GND
V
S
*20 H
*CTX20-3 COILTRONICS
(Automatic Switching)
300
47
G1
G2
IN1
IN2
1
ZTX869-M1
100k
LTC1157
120 F/10V
GND
+
V
2
S
Si9956DY
105k
1%
5,6,7,8
G1
G2
0.1 F
*20 H
1k
MBRS12OT3
174k
1%
4
140k
3
1%
+
2N7002
100 F
6.3V
+
LTC1157 • TA06
SWITCHED (RAMPED)
BATTERY
7,8
5,6
100 F
6V
1
2
3
4
2
4
LTC1157 • TA07
1
3
7,8
5,6
Si9956DY
Si9956DY
LTC1157
5V/150mA
3.3V/150mA
7