ISL6118
Simplified Block Diagram
CHANNEL 1 LIKE CHANNEL 2
GND
VIN
POR
Q-PUMP
FAULT_1
OUT_1
Pin Descriptions
EN_1
EN_2
CURRENT AND TEMP.
MONITORING, GATE AND
OUTPUT CONTROL
LOGIC
OUT_2
FAULT_2
PIN NO.
1
2
DESIGNATOR
GND
VIN
FUNCTION
IC Reference
Chip Bias, Controlled
Supply Input,
DESCRIPTION
VIN provides chip bias voltage. At VIN < 2.5V chip functionality is disabled, FAULT_X latch
is cleared and floating and OUT is held low.
Undervoltage Lock-Out
3, 4
ENABLE_1, 2 /
ENABLE_1, 2
Channel Enable/
Enable not Inputs
Enables/Disables switch.
5, 8
FAULT OUT_2, 1 Channel 2, 1
Overcurrent Fault not
Indicator
Channel overcurrent fault-not indicator. FAULT floats and is disabled until VIN > 2.5V. This
output is pulled low after the OC timeout period has expired and stays latched until ENABLE
is deasserted.
6, 7
OUT_2, 1
Channel 2,1 Controlled Channel voltage output, connect to load to protect. Upon an OC condition OUT is current
Supply Output
limited to 0.6A. Current limit response time is within 200μs. This output will remain in current
limit for a determined time before being latched off.
2
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