參數(shù)資料
型號: FAN5182
廠商: Fairchild Semiconductor Corporation
英文描述: Adjustable Output 1, 2, or 3-Phase Synchronous Buck Controller
中文描述: 可調輸出1,2或3相同步降壓控制器
文件頁數(shù): 8/18頁
文件大小: 788K
代理商: FAN5182
8
www.fairchildsemi.com
FAN5182 Rev. 1.0.1
F
Application Circuit
Figure 5. 1.8V, 55A Application Circuit
( Consult Fairchild Sales for an updated version of the Application Circuit )
V
IN
12 V
V
IN
RTN
ENABLE
POWER
GOOD
RLIM
RPH1
RR
332k
Q1
FDD6296
Q2
FDD8896
Q3
FDD6296
Q5
FDD6296
Q4
FDD8896
Q6
FDD8896
68nF
V
OUT
1.8 V
V
OUT
RTN
1200
μ
F / 6.3V x 5
15m
ESR (each)
+
L2
600nH / 1.4m
L3
600nH / 1.4m
L4
600nH / 1.4m
L1
1
μ
H
RT
255k
C8
100nF
C17
+
C21
U3
FAN5009
1
2
3
8
7
6
4
5
BOOT
PWM
OD
VCC
HDRV
SW
PGND
LDRV
C7
1
μ
F
C4
100nF
C3
1
μ
F
C5
4.7
μ
F
C9
4.7
μ
F
C13
4.7
μ
F
U2
FAN5009
1
2
3
8
7
6
4
5
BOOT
PWM
OD
VCC
HDRV
SW
PGND
LDRV
C12
100nF
U4
FAN5009
U1
FAN5182
1
2
3
8
7
6
4
5
BOOT
PWM
OD
VCC
HDRV
SW
PGND
LDRV
C11
1
μ
F
C15
1
μ
F
R4
10
6RA
CFB
1CA
CCS
C2
2700
μ
F
16V
C1
2700
μ
F
16V
+
+
4.7
μ
Fx10
6.3V
MLCC
C14
2.2nF
C10
2.2nF
C6
2.2nF
R3
2.2
R2
2.2
R1
2.2
D1
(optional)
D2
(optional)
D3
(optional)
1RB2
1RB1
RCS
RPH2
RDLY
R*
R*
R*
RPH3
VCC
FBRTN
FB
COMP
PWRGD
EN
DELAY
RT
RAMPADJ
ILIMIT
PWM1
PWM2
PWM3
SW1
SW2
SW3
GND
CSCOMP
CSSUM
CSREF
1
2
3
20
19
18
4
8
10
5
6
7
13
16
15
14
9
11
12
17
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