ISL62391HIEVAL1Z Intersil, ISL62391HIEVAL1Z Datasheet - Page 6

• Manufacturer Part Number: ISL62391HIEVAL1Z
• Description: EVALUATION BOARD FOR ISL62391HI
• Manufacturer: Intersil
• Series: Robust Ripple Regulator™ (R³)r

Specifications of ISL62391HIEVAL1Z

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 3, Non-Isolated
• Voltage - Output: 1.05V, 1.5V, 3.3V
• Current - Output: 15A, 15A, 100mA
• Voltage - Input: 5.5 ~ 25V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: ISL62391
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

Typical Application Circuits
The typical application circuits generate the 5V/8A and 3.3V/8A (system regulator), or 1.05V/15A and 1.5V/15A (chip set) supplies
in a notebook computer. The input supply (VBAT) range is 5.5V to 25V.
1200pF
1200pF
750
330µF
750
330µF
3 .3 V
3 .3 V
45.3k
10k
V B A T
45.3k
10k
FIGURE 1. TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE
V B A T
4x10µF
4x10µF
4.7µF
3 .3 V
FIGURE 2. TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH RESISTOR SENSE
0.001
1k
0.022µF
4.7µH
14k
0.22µF
1µF
1µF
6
4.7µH
0.22µF
1k
14k
ISL62391, ISL62392, ISL62391C, ISL62392C
IRF7821
IRF7832
1µF
4.7µF
1µF
IRF7832
IRF7821
B O O T 1
U G A T E 1
P H A S E 1
L G A T E 1
O C S E T 1
IS E N 1
V O U T 1
F B 1
L D O 3
P V C C
V C C
P G N D
B O O T 1
U G A T E 1
P H A S E 1
L G A T E 1
O C S E T 1
IS E N 1
V O U T 1
F B 1
L D O 3
P V C C
V C C
P G N D
ISL62391, ISL62392
ISL62391C, ISL62392C
ISL62391, ISL62392
ISL62391C, ISL62392C
G N D
V IN
P A D
V IN
U G A T E 2
L D O 3 E N
P H A S E 2
O C S E T 2
L G A T E 2
P G O O D
U G A T E 2
P H A S E 2
O C S E T 2
L D O 3 E N
L G A T E 2
B O O T 2
P G O O D
V O U T 2
F S E T 1
F S E T 2
B O O T 2
V O U T 2
IS E N 2
F C C M
F S E T 1
F S E T 2
IS E N 2
F C C M
E N 1
E N 2
F B 2
E N 1
E N 2
F B 2
19.6k
19.6k
IRF7821
IRF7832
100k
100k
IRF7821
IRF7832
0.01µF
0.01µF
0.22µF
14k 0.022µF
4.7µH
24.3k
24.3k
1k
0.22µF
4.7µH
14k
P V C C
P V C C
0.001
1k
0.01µF
0.01µF
68.1k
68.1k
9.09k
9.09k
5 V
5 V
330µF
330µF
1200pF
April 7, 2011
1200pF
750
750
FN6666.5