ISL6402AIR Intersil, ISL6402AIR Datasheet - Page 9

• Manufacturer Part Number: ISL6402AIR
• Description: IC PWM BUCK CM 28QFN
• Manufacturer: Intersil

Specifications of ISL6402AIR

• Pwm Type: Current Mode
• Number Of Outputs: 3
• Frequency - Max: 1.5MHz
• Duty Cycle: 73%
• Voltage - Supply: 4.5 V ~ 24 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Frequency-max: 1.5MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Performance Curves
(Oscilloscope Plots Are Taken Using the ISL6402AEVAL4B Evaluation Board, VIN = 12V, Unless Otherwise Noted)
FIGURE 11. PWM1 EFFICIENCY vs LOAD, VIN=5V, VOUT=3.3V
V
AC COUPLED
I
FIGURE 7. LOAD TRANSIENT RESPONSE VOUT1 (3.3V)
OUT1
OUT1
1A/DIV
100
200mV/DIV
90
80
70
FIGURE 9. PWM SOFT-START WAVEFORM
0
0.5
V
OUT1
VCC_5V 1V/DIV
1
1V/DIV
LOAD CURRENT (A)
1.5
9
2
2.5
(Continued)
3
3.5
4
ISL6402A
FIGURE 12. PWM2 EFFICIENCY vs LOAD, VIN=5V, VOUT=3.3V
FIGURE 10. OVERCURRENT HICCUP MODE OPERATION
V
AC COUPLED
V
FIGURE 8. LOAD TRANSIENT RESPONSE VOUT2 (3.3V)
I
SS1 2V/DIV
I
OUT1
OUT1
L1
OUT1
2A/DIV
100
200mV/DIV
1A/DIV
2V/DIV
90
80
70
0
0.5
1
LOAD CURRENT (A)
1.5
2
2.5
3
3.5
FN9010.3
4