ltc1155cs8-trpbf Linear Technology Corporation, ltc1155cs8-trpbf Datasheet - Page 10

• Manufacturer Part Number: ltc1155cs8-trpbf
• Description: Dual High Side Micropower Mosfet Driver
• Manufacturer: Linear Technology Corporation

LTC1155
10
TYPICAL
High Side Driver with V
+
5V
*
*ANY 74C OR 74HC LOGIC GATE.
+
MOSFET SHUTS DOWN IF V
Low Side Driver with Drain End Current Sensing
10 F
10 F
A
IN1
0.01 F
IN1
PPLICATI
4.5V TO 6V
LTC1155
GND
LTC1155
V
1/2
S
GND
5V
V
1/2
S
DS
DS
Sense Short-Circuit Shutdown
> 1V
DS1
G1
DS1
G1
O
U
S
30k
270k
LOAD
SMP25N05
0.05
5%
1155 TA06
LOAD
1155 TA04
IRLZ24
Truth Table
+
*DO NOT SUBSTITUTE. MUST BE A PRECISION, SINGLE
SUPPLY, MICROPOWER OP AMP (I
+
IN
0
1
0
1
10 F
Low Side Driver with Source End Current Sensing
10 F
IN1
IN1
4.5V TO 6V
LTC1155
GND
LTC1155
1/2
V
OUT
GND
S
5V
1/2
X-NOR Fault Detection
0
0
1
1
V
S
74C266
DS1
G1
DS1
51
G1
Q
< 60 A)
Short Circuit
CONDITION
Switch OFF
Open Load
Switch ON
6
100k
FAULT
LT
®
1077*
4
7
51
LOAD
+
–
IRLD024
0.1
3
2
1155 TA05
V
LOAD
LOAD
SMP25N05
0.02
5%
FLT
1155 TA07
10k
1
0
0
1