参数资料
型号: MAX1717EEG+T
厂商: Maxim Integrated Products
文件页数: 15/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 100%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
Dynamically Adjustable, Synchronous
Step-Down Controller for Notebook CPUs
V BATT
2V TO 28V
REF
V+
I LIM
MAX1717
TOFF
+5V
TON
ON-TIME
COMPUTE
FROM
D/A
Q
1-SHOT
TRIG
9
1
BST
TON
S
Q
TRIG
1-SHOT
Q
R
CURRENT
LIMIT
DH
ERROR
Σ
LX
SKP/SDN
REF
AMP
10k
ZERO CROSSING
OUTPUT
70k
V DD
+5V
CC
REF
S
DL
g m
g m
g m
R
Q
GND
GNDS
FBS
FB
REF
FB
REF
-7%
+12%
CHIP SUPPLY
V CC
+5V
OVP/UVP
VGATE
DETECT
R-2R
D/A CONVERTER
2V
REF
REF
MUX AND SLEW CONTROL
A/B
D0
D1
D2
D3
D4
TIME
120k
Figure 2. Functional Diagram
______________________________________________________________________________________
15
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