ISL6524 Intersil Corporation, ISL6524 Datasheet - Page 15
ISL6524
Manufacturer Part Number
ISL6524
Description
VRM8.5 PWM and Triple Linear Power System Controller
Manufacturer
Intersil Corporation
Datasheet
1.ISL6524.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ISL6524
Manufacturer:
INTERSIL
Quantity:
12 000
Company:
Part Number:
ISL6524ACB
Manufacturer:
HARRIS
Quantity:
9
Part Number:
ISL6524ACB
Manufacturer:
HARRIS
Quantity:
20 000
Part Number:
ISL6524ACBZ-T
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
ISL6524CB
Manufacturer:
INTERSIL
Quantity:
46
Company:
Part Number:
ISL6524CB
Manufacturer:
INTERSIL
Quantity:
46
Part Number:
ISL6524CB
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
ISL6524CB-T
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
ISL6524CBZ
Manufacturer:
INTERSIL
Quantity:
20 000
ISL6524 DC-DC Converter Application Circuit
Figure 14 shows an application circuit of a power supply for
a microprocessor computer system. The power supply
provides the microprocessor core voltage (V
bus voltage (V
memory controller hub voltage (V
V
POWER GOOD
+3.3V
V
GND
GND
GND
+12V
V
OUT2
OUT3
+1.2V
+1.5V
OUT4
+5V
+1.8V
VTT
(VTT)
(AGP)
(MCH)
HUF76107
OUT2
+
Q4
2SD1802
+
C17
560 F
HUF76107
), the AGP bus voltage (V
10k
R10
C20
560 F
+
Q5
Q3
1000 F
C6
15
10 F
C14
OUT4
+
FAULT/RT
) from +3.3V, +5VDC,
DRIVE3
DRIVE4
DRIVE2
VSEN3
VSEN4
VTTPG
VSEN2
VAUX
FIX
FIGURE 14. TYPICAL APPLICATION CIRCUIT
OUT1
OUT3
16
1 F
1
11
10
9
18
19
15
14
2
C2
), the GTL
), and the
1 H
L1
ISL6524
U1
28
17
VCC
GND
ISL6524
23
27
26
25
22
20
12
24
21
13
7
8
6
5
4
3
OCSET1
0.1 F
+
VID25
PGOOD
UGATE1
PHASE1
LGATE1
VSEN1
FB1
COMP1
VID0
VID1
VID2
VID3
SS24
PGND
SS13
C21
and +12VDC. For detailed information on the circuit,
including a Bill-of-Materials and circuit board description, see
Application Note AN9925. Also see Intersil web page
(www.intersil.com), for the latest information.
680 F
C1
1nF
C4
1.5k
2.2nF
C15
R2
270pF
C12
0.1 F
C18
43k
HUF76143
HUF76139
Q2
R14
Q1
3.32k
4.99k
R11
R7
10k
R3
22nF
C13
C3
1 F
267k
R15
1.8 H
R13
33
L2
POWER GOOD
+
3x1000 F
0.30 F
C7-9
12.1k
C11
R12
(1.050V to 1.825V)
V
OUT1
(CORE)