參數(shù)資料
型號: ISL6532A
廠商: Intersil Corporation
英文描述: ACPI Regulator/Controller for Dual Channel DDR Memory Systems
中文描述: ACPI的穩(wěn)壓器/雙通道DDR內(nèi)存控制器系統(tǒng)
文件頁數(shù): 15/16頁
文件大?。?/td> 504K
代理商: ISL6532A
15
MOSFET Selection - AGP LDO
The main criteria for selection of the linear regulator pass
transistor is package selection for efficient removal of heat.
Select a package and heatsink that maintains the junction
temperature below the rating with a maximum expected
ambient temperature.
The power dissipated in the linear regulator is:
where I
O
is the maximum output current and V
OUT
is the
nominal output voltage of the linear regulator.
ISL6532A Application Circuit
Figure 8 shows an application circuit utilizing the ISL6532A.
Detailed information on the circuit, including a complete Bill-
of-Materials and circuit board description, can be found in
Application Note AN1056.
P
LINEAR
I
O
V
IN
- V
OUT
(
)
×
FIGURE 8. DDR SDRAM AND AGP VOLTAGE REGULATOR USING THE ISL6532A
10.0k
1
μ
F
5VSBY
UGATE
FB
COMP
ISL6532A
C
17,18
LGATE
VDDQ
VDDQ
VDDQ
VCC12
VTT
VTT
+
V
1.25V
VREF_IN
VREF_OUT
VTTSNS
PGOOD
+3.3V
Q
4
+
V
DDQ
DRIVE2
FB2
V
DDQ
Q
1,3
2.5V 15A
MAX
+
+
Q
2,4
VCC5
NCH
OCSET
GNDQ
G
G
PHASE
V
AGP
1.5V
V
REF
V
DDQ
Q
5
GNDQ
G
5
P
P
SLP_S5
SLP_S3
S5#
S3#
PGOOD
C
16
1
μ
F
R
2
L
1
2.1
μ
H
L
2
2.1
μ
H
4.99k
R
1
C
19
0.47
μ
F
C
22
1000pF
8.87k
R
7
C
6-8
1800
μ
F
C
9-12
22
μ
F
6.8nF
C
14
825
R
6
C
15
1000pF
C
13
56nF
R
5
R
4
R
3
22.6
1.74k
19.1k
680pF
C
25
R
10
100k
R
9
287
R
8
249
220
μ
F
C
23
1
μ
F
C
24
+
V
DDQ
C
20
220
μ
F
C
21
220
μ
F
C
26
0.1
μ
F
C
27
0.1
μ
F
C
1-3
2200
μ
F
C
4,5
1
μ
F
ISL6532A
相關PDF資料
PDF描述
ISL6532ACR ACPI Regulator/Controller for Dual Channel DDR Memory Systems
ISL6532ACR-T ACPI Regulator/Controller for Dual Channel DDR Memory Systems
ISL6532ACRZ PWM Control Circuit 16-SOIC 0 to 70
ISL6532ACRZ-T PWM Control Circuit 16-SSOP 0 to 70
ISL6532BCRZ-T ACPI Regulator/Controller for Dual Channel DDR Memory Systems
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