ISL6185 Datasheet, PDF (5/20 Pages) Intersil Corporation – Dual USB Port Power Supply Controller

Pin Configurations
ISL6185
(8 LD SOIC/DFN)
TOP VIEW
GND ₁
VIN 2
EN1/EN1 3
EN2/EN2 ⁴
(GND)
EPAD
DFN Only
8 ^FLT1
7 OUT1
6 OUT2
5 _FLT2
ISL6185
ISL6185
(10 LD DFN)
TOP VIEW
GND 1
VIN 2
VIN 3
EN1/EN1 4
EN2/EN2 5
(GND)
EPAD
10 ^FLT1
9 OUT1
8 NC
7 OUT2
6 FLT2
Pin Descriptions
PIN NUMBER
8 Ld
10 Ld
SOIC/DFN DFN
SYMBOL
DESCRIPTION
1
1
GND
IC ground reference
2
2, 3
VIN
Chip bias, Controlled Voltage Input, Undervoltage Lock Out (UVLO). VIN provides chip
bias voltage. At VIN < 1.7V chip functionality is disabled, FLT is active and floating and
OUT is held low. Range 0V to 5.5V
3,
4,
EN1, EN1/ Enable/Disable inputs, Active high (EN) and active low (EN) options enable the power
4
5
EN2, EN2 ^{switch. These inputs have internal 1MΩ pull off resistors. Range 0V to VIN}
5,
6,
FLT2
Overcurrent Fault Indicator. Overcurrent fault indicator. FLT floats and is disabled until
8
10
FLT1
VIN >V_UVLO. This output is pulled low after the current limit time-out period has
expired. Fault is not signaled due to over-temperature shut down. Range 0V to VIN
6,
7,
OUT2,
Controlled Supply Output. Upon an OC condition I_OUT is current limited. Current limit
7
9
OUT1
response time is within 200µs. This output will remain in current limit for a nominal
12ms before being turned off either for the latch or auto retry versions. Range 0V to VIN
-
8
NC
This pin is not electrically connected internally
PD
PD
(DFN only)
EPAD
Thermal Dissipation Exposed PAD Range: Connect to GND
5
FN6937.0
October 22, 2010