Data Sheet

3
www.fairchildsemi.com
FPF2123-FPF2125 Rev. F
FPF2123-FPF2125 IntelliMAX™ Advanced Load Management Products
Absolute Maximum Ratings
Recommended Operating Range
Electrical Characteristics
V
IN
= 1.8 to 5.5V, T
A
= -40 to +85°C unless otherwise noted. Typical values are at V
IN
= 3.3V and T
A
= 25°C.
Parameter Min. Max. Unit
V
IN
, V
OUT
, ON, ISET to GND -0.3 6 V
Power Dissipation @ T
A
= 25°C (note 1) 667 mW
Operating Temperature Range -40 125 °C
Storage Temperature -65 150 °C
Thermal Resistance, Junction to Ambient 150 °C/W
Electrostatic Discharge Protection
HBM 4000 V
MM 400 V
Parameter Min. Max. Unit
V
IN
1.8 5.5 V
Ambient Operating Temperature, T
A
-40 85 °C
Parameter Symbol Conditions Min. Typ. Max Units
Basic Operation
Operating Voltage V
IN
1.8 5.5 V
Quiescent Current I
Q
I
OUT
= 0mA V
IN
= 1.8 to 3.3V 75
A
V
IN
= 3.3 to 5.5V 80 120
Shutdown Current I
SHDN
2 A
Reverse Block Leakage Current I
BLOCK
1 A
Latch-Off Current I
LATCHOFF
FPF2124 50 A
On-Resistance R
ON
V
IN
= 3.3V, I
OUT
= 50mA, T
A
= 25°C 125 160
mV
IN
= 3.3V, I
OUT
= 50mA, T
A
= 85°C 150 200
V
IN
= 3.3V, I
OUT
= 50mA, T
A
= -40°C to +85°C 65 200
ON Input Logic High Voltage (ON) V
IH
V
IN
= 1.8V 0.75
V
V
IN
= 5.5V 1.30
ON Input Logic Low Voltage V
IL
V
IN
= 1.8V 0.5
V
V
IN
= 5.5V 1.0
ON Input Leakage V
ON
= V
IN
or GND 1 A
Off Switch Leakage I
SWOFF
V
ON
= 0V, V
OUT
= 0V 1 A
Protections
Current Limit I
LIM
V
IN
= 3.3V, V
OUT
= 3.0V,
RSET=576
600 800 1000 mA
Min. Current Limit I
LIM(min.)
V
IN
= 3.3V, V
OUT
= 3.0V 150 mA
Thermal Shutdown
Shutdown Threshold 140
°CReturn from Shutdown 130
Hysteresis 10
Under Voltage Shutdown UVLO V
IN
Increasing 1.5 1.6 1.7 V
Under Voltage Shutdown
Hysteresis
50 mV