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| AP1280AMP_14 Datasheet, PDF (3/5 Pages) Advanced Power Electronics Corp. – 2A SINK/SOURCE BUS TERMINATION REGULATOR | |||
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Advanced Power
Electronics Corp.
ELECTRICAL SPECIFICATIONS (CONTINUED)
AP1280AMP
Parameter
Protection
SYM
TEST CONDITION
MIN TYP MAX UNITS
Current Limit
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
ENABLE and Soft-Start
ILIM
TSD
ÎTSD
3.3V < VCNTL < 5V
3.3V < VCNTL < 5V
2.2
-
-
A
- 150 -
oC
-
20
-
REFEN Threshold
Soft-Start Interval
VEN
TSS
âVOUT=1V
0.15 - 0.4
V
-
0.8
-
ms
Note3. VOS offset is the voltage measurement defined as V OUT subtracted from VREFEN.
Note4. Regulation is measured at constant junction temperature by using a 1ms(on) / 9ms(off) current pulse. Devices are tested for load regulation
in the load range from 10mA to 2A for source and -10mA to -2A for sink capability.
PIN DESCRIPTIONS
PIN SYMBOL
VIN
GND
VOUT
VCNTL
REFEN
PIN DESCRIPTION
Power Input Voltage.
Ground Pin
Output Voltage
Gate Drive Voltage
Reference Voltage Input and Chip Enable
BLOCK DIAGRAM
VCNTL
REFEN
UVP
Function
Soft-Start
Function
ENABLE
FUNCTION
OTP
Function
OCP
Function
VIN
ERROR
AMPLIFIER
GATE
CONTROL
LOGIC
VOUT
GND
3
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