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參數資料
| 型號： | FAN5068DDR |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | FAN5068 Component calculation and simulation tools |
| 中文描述： | FAN5068組件的計算和模擬工具 |
| 文件頁數： | 3/18頁 |
| 文件大小： | 159K |
| 代理商： | FAN5068DDR |
FAN5068
PRODUCT SPECIFICATION
REV. 1.0.1 9/9/04
3
MOSFET N-CH, 6m
FDD6606
MOSFET N-CH, 32m
FDD6530A
MOSFET P-CH, 35m
FSID: FDC602P
Resistor 1.82k
, 30V, 75A, D-PAK, FSID:
1
Q2
Fairchild
FDD6606
, 20V, 21A, D-PAK, FSID:
3
Q3, Q6,
Q5
Q4
Fairchild
FDD6530A
, -20V, -5.5A, SSOT-6,
1
Fairchild
FDC602P
, 1%, 0805
4
R1, R2,
R9, R10
R5
R6
R7
R8
R4
R3
U2
Yageo
9C08052A1821FKHFT
Resistor 56k
Resistor 60.4k
Resistor 3.01k
Resistor 9.09k
Resistor 10k
Resistor 1k
IC System Regulator, MLP 24-Pin 5X5mm
, 1%, 0805
, 1%, 0805
, 1%, 0603
, 1%, 0603
, 1%, 0805
, 1%, 0805
1
1
1
1
1
1
1
Any
Any
Any
Any
Fairchild
FAN5068
Table 1. BOM for Figure 1
(continued)
Description
Qty
Ref.
Vendor
Part Number
Bypass Capacitor Notes:
Input capacitor C1 is typically chosen based on the ripple
current requirements. COUT is typically selected based on
both current ripple rating and ESR requirement. See AN-
6006 for these calculations.
C17 and C12 selection will be largely determined by ESR
and load transient response requirements. In each case, the
number of capacitors required depends on the capacitor tech-
nology chosen. Oscons can meet the requirements with less
space, but higher cost than using low ESR electrolytics (like
Rubycon MBZ).
Figure 2. PWM Modulator Block Diagram
VDDQ IN
S3
PGOOD
EN
SS
C
BOOT
Q1
Q2
5V
VDD
ADAPTIVE
GATE
CONTROL LOGIC
CURRENT PROCESSING
HDRV
SW
LDRV
PGND
BOOT
ISNS
VIN
C
OUT
VDDQ
PWM
S/H
ILIM
R
I
R
SENSE
ILIM det.
PWM
S
R
Q
RAMP
RAMP
CLK
OVP
POR/UVLO
Reference and
Soft Start
S3
L
OUT
VREF
D2
4.41K
FB
COMP
ISNS
FB
VIN
OSC
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