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參數(shù)資料
| 型號： | FAN5231 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Micropower 5V, 100mA Low Dropout Linear Regulator |
| 中文描述： | 1 A SWITCHING REGULATOR, 345 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | QSOP-28 |
| 文件頁數(shù)： | 15/17頁 |
| 文件大小： | 360K |
| 代理商： | FAN5231 |
FAN5231
REV. 1.1.1 8/15/01
15
FAN5231 DC-DC Converter
Application Circuit
Figure 13 shows an application circuit of a power supply for
a notebook PC microprocessor system. The power supply
provides the microprocessor core voltage (V
core
), the I/O
voltage (V
I/O
) and the clock generator voltage (V
CLK
) from
+5-24V
DC
, +5V
DC
and +3.3V
DC
. For detailed information
on the circuit, including a Bill-of-Materials and circuit board
description, see Application Note ANXXXX.
Visit Fairchild’s website for the latest product information,
www.fairchildsemi.com.
Figure 13. Application Circuit
VID1
VID2
VID3
VID4
SOFT
GND
VCC
+7.5V-24.0V
VID0
+5V
PGND1
VSEN1
PGOOD
LGATE1
UGATE1
PHASE1
ISEN1
Q3
FDS6690A
Q4
Two FDS6670A
in parallel
VGATE
VRTN1
V
(1.5V)
VSEN2
UGATE2
PHASE2
Q1
V
CLK
(2.5V)
C4
10
μ
F
C8
FAN5231
L2
+
+
+
+
C4
10
μ
F
C1
C5-6
2x1
μ
F
R2
V
core
C10
C3
330
+
μ
F
1
μ
F
L1
FDS6612A
56
μ
F
3x680
μ
F
0.22
μ
F
1k
10
μ
H
2
μ
H
GND
VID1
VID2
VID3
VID4
VID0
(0.925 TO 2.0V)
4
5
12
13
14
28
22
21
24
23
27
26
17
16
11
10
9
8
7
18
15
C7
0.22
μ
F
BOOT1
PGND2
LGATE2
Q2
FDS6612A
1
2
ISEN2
R1
500
6
C2
0.22
μ
F
BOOT2
FROM CPU
CORE
VBATT
+3.3VIN
V3IN
VSEN3
20
VR_ON
EN
C9
2x1
μ
F
2x10
μ
F
+
CR1
BAT54WT1
25
3
19
BA
CR2
T54WT1
V
IN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN5231 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5231QSC | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 QSOP-28 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FAN5231QSCX | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 QSOP-28 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FAN5232 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Adjustable PWM Buck Controller for LCD PCs |
| FAN5232_CBC3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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