AIC1578
ABSOLUTE MAXIMUM RATINGS
VIN Supply Voltage .....…………............................................................................. 20V
DUTY Voltage .........................................……………................................................ 20V
SHDN Voltage ......................................………….................................................... 15V
Operating Temperature Range ................…………......................................... 0°C~70°C
Storage Temperature Range ......................…………................................. -65°C~ 150°C
TEST CIRCUIT
Refer to Fig. 1 circuit of Application Examples.
ELECTRICAL CHARACTERISTICS (VIN= 13V, Ta=25°C, unless otherwise
specified.)
PARAMETERS
CONDITIONS
MIN.
TYP.
MAX. UNIT
Operation Voltage
4
20
V
Quiescent Current
Shutdown Mode Current
VFB = 1.5V
VSHDN = 0V
90
160
µA
8
20
µA
Internal Reference Voltage
1.16
1.22
1.28
V
Driver Sinking "ON Resistance"
16
Ω
Driver Sourcing "ON Resistance"
Current Limit Sense Threshold
Shutdown Threshold
VCS+ = 13V
11
Ω
50
70
90
mV
0.8
1.5
2.4
V
SHDN Pin Leakage Current
VSHDN < 15V
1
µA
Duty Cycle
Oscillator Frequency
VDUTY = VIN
VDUTY = VIN
71
%
225
KHz
2