ISL6441IRZ-TK Intersil, ISL6441IRZ-TK Datasheet - Page 9

• Manufacturer Part Number: ISL6441IRZ-TK
• Description: IC CTRLR PWM 1.4MHZ DUAL 28-QFN
• Manufacturer: Intersil

Specifications of ISL6441IRZ-TK

• Applications: Power Supplies
• Current - Supply: 2mA
• Voltage - Supply: 5.6 V ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QFN
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL6441IRZ-TKTR

Typical Performance Curves
FIGURE 11. PWM1 EFFICIENCY vs LOAD, V
V
AC COUPLED
I
OUT1
FIGURE 7. LOAD TRANSIENT RESPONSE V
OUT1
100
1A/DIV
90
80
70
200mV/DIV
FIGURE 9. PWM SOFT-START WAVEFORM
0
V
OUT
0.5
V
OUT1
VCC_5V 1V/DIV
= 3.3V
1.0
1V/DIV
LOAD CURRENT (A)
1.5
9
2.0
2.5
3.0
IN
Oscilloscope plots are taken using the ISL6441AEVAL Evaluation Board, V
Otherwise Noted. (Continued)
= 5V,
OUT1
3.5
(3.3V)
4.0
ISL6441
FIGURE 12. PWM2 EFFICIENCY vs LOAD, V
FIGURE 10. OVERCURRENT HICCUP MODE OPERATION
V
AC COUPLED
V
I
OUT2
I
SS1 2V/DIV
FIGURE 8. LOAD TRANSIENT RESPONSE V
OUT2
OUT1
L1
2A/DIV
1A/DIV
100
200mV/DIV
2V/DIV
90
80
70
0
V
OUT
0.5
= 3.3V
1.0
LOAD CURRENT (A)
1.5
2.0
2.5
IN
3.0
= 12V, Unless
IN
= 5V,
OUT2
3.5
May 26, 2009
(3.3V)
4.0
FN9197.3