SC403BEVB View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC403BEVB Datasheet PDF : 32 Pages
| |||
SC403B
Electrical Characteristics (continued)
Parameter
Conditions
Min Typ Max Units
Input Supplies (continued)
FB On-Time Threshold
Frequency Range
Bootstrap Switch Resistance
ENL , EN/PSV = 0V, VDD from external source
190 300
EN/PSV = VDD, no load, VFB > 600mV(2)
0.7
VDD = 5V, fSW = 250kHz, EN/PSV = floating , no load
4
mA
VDD = 3V, fSW = 250kHz, EN/PSV = floating , no load
2.5
Static VIN and load, 0 to +85 °C
0.595 0.600 0.605
V
Static VIN and load, -40 to +85 °C
0.594
0.606
V
Continuous mode operation
Minimum fSW, EN/PSV = VDD, no load
1000
kHz
25
10
Ω
Switching MOSFET Resistance
RDSON
High Side FET
Low Side FET
30
mΩ
10
Timing
On-Time
Continuous mode operation,
VIN = 15V, VOUT = 5V, fSW= kHz, RTON = 300kΩ
3V < VDD < 4.5V(3)
2386 2650 2915
ns
Minimum On-Time
80
ns
Minimum Off-Time
Soft-Start
VDD = 5V
VDD = 3V
250
ns
370
Soft-Start Current
3
μA
Soft-Start Voltage
Analog Inputs/Outputs
When VOUT reaches regulation
1.5
V
VOUT Input Resistance
500
kΩ
Share Link: 