SC1408
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: VOUT = 5V; ILOAD = 0mA; TA = +25°C
Parameter
Sym
Conditions
Min Typ Max Units
FB Trip Point Voltage
VFB
FB Input Current
IFM
SHDN Input High Voltage
VIN
SHDN Input Low Voltage
VIL
SHDN Input Current
Current Limit Trip Level
VCS
ISENSE Input Current
GATE Rise Time
GATE Fall Time
GATE On Resistance
TA = 25oC
TA = -40oC to +85oC
1.200
V
1.176
1.224
TA = 25oC
TA = -40oC to +85oC
-4
nA
±40
VOUT = 2.7V to 16.5V
1.6
V
VOUT = 2.7V to 16.5V
0.4 V
VOUT = 16.5V, SHDN = 0V or 5V
±1 µA
VOUT = 3V to 16.5V
TA = 25oC
85
TA = -40oC to +85oC 80
100 115 mV
120
0.01 ±1 µA
VOUT = 5V, InF from GATE to GND
VOUT = 5V, InF from GATE to GND
GATE = high or low
50
ns
50
15 30
Ω
NOTE:
(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.
2005 Semtech Corp.
3
www.semtech.com