MAX1717 查看數據表（PDF） - Maxim Integrated
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MAX1717 Datasheet PDF : 33 Pages
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Dynamically Adjustable, Synchronous
Step-Down Controller for Notebook CPUs
VBATT
7V TO 24V
+5V
BIAS SUPPLY
C5
R1
1μF
20Ω
C6
1μF
C1
4 x 10μF, 25V
TO VCC
7
15
ON/OFF
CONTROL
R7
120kΩ
VCC
1
V+
2 SKP/SDN
3 TIME
VDD
22
BST
DH 24
100kΩ
21 D0
20 D1
19 D2
18 D3
17 D4
MAX1717 LX 23
DL 14
GND 13
D2
CMPSH-3
C7
0.1μF
Q1 L1
1μH
Q2 D1
HIGH/LOW
C4
1μF
8
TON
9 REF
6 CC
C3
470pF
16 A/B
FB
FBS
GNDS
4
5
11
+5V
12
ILIM VGATE
10
TO VCC
R2
100kΩ
POWER-GOOD
INDICATOR
C2
6 x 470μF
KEMET T510
VOUT
A/B = LOW = 1.60V
A/B = HIGH = 1.35V
Q1 = IRF7811
Q2 = 2 x IRF7805
D1 = INTL RECT 10MQ040N
C1 = TAIYO YUDEN TMK432BJ106KM
C2 = KEMET T510X477M006
L1 = SUMIDA CEP125
Figure 1. Standard Application Circuit
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