ISL6119_14 Datasheet, PDF (3/13 Pages) Intersil Corporation – USB Dual Port Power Supply Controller

ISL6119
Pin Descriptions
PIN NO. DESIGNATOR
FUNCTION
DESCRIPTION
1
GND
IC Reference
2
VIN
Chip bias, Controlled VIN provides chip bias voltage. At VIN < 2.5V chip functionality is disabled, FAULT latch
Supply Input,
is cleared and floating and OUT is held low.
Undervoltage lock-out
3, 4
ENABLE_1, 2/ Channel Enable/
Enables/Disables switch.
ENABLE_1, 2 Enable Not Inputs
5, 8
FAULT_2, 1
Channel 2, 1 Over
Channel overcurrent fault indicator. FAULT floats and is disabled until VIN >2.5V. This
Current Fault Not
output is pulled low after the OC timeout period has expired and stays latched until
Indicator
ENABLE is deasserted.
6, 7
OUT_2, 1
Channel 2,1 Controlled Channel voltage output, connect to load to protect. Upon an OC condition I_OUT is
Supply Output
current limited to 1A. Current limit response time is within 200µs. This output will remain
in current limit for a nominal 12ms before being latched off.
3