Datasheet
XL1507
3A 150KHz 40V Buck DC to DC Converter
Electrical Characteristics (DC Parameters)
Vin = 12V for the 3.3V,5V,and Adjustable versions and Vin=24V for the 12V version, GND=0V,
Vin & GND parallel connect a 220uf/50V capacitor; Iout=500mA, Ta = 25℃; the others floating
unless otherwise specified.
Parameters
Symbol
Vin
Test Condition
Min. Typ. Max. Unit
Input operation voltage
Shutdown Supply Current
4.5
40
V
ISTBY
VON/OFF=5V
80
2
200
uA
VON/OFF =0V,
VFB =Vin
Quiescent Supply Current
Iq
10
mA
Oscillator Frequency
Switch Current Limit
Fosc
IL
127
3.6
150
4.8
173
6.9
Khz
A
VFB =0
High (Regulator OFF)
Low (Regulator ON)
1.4
0.8
ON/OFF Pin Threshold
VON/OFF
V
IH
IL
VON/OFF =2.5V (OFF)
VON/OFF =0.5V (ON)
5
15
5
uA
uA
ON/OFF
Pin
Input
Leakage Current
0.2
VFB=0V
Iout=3A
Output Saturation Voltage
Max. Duty Cycle
VCE
1.3
1.5
V
DMAX
VFB=0V
100
%
Rev 2.0
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7
ETC [ ETC ]
