参数资料
型号: MAX1771ESA+T
厂商: Maxim Integrated Products
文件页数: 16/16页
文件大小: 0K
描述: IC REG CTRLR BST PWM 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 控制器
输出数: 1
频率 - 最大: 500kHz
占空比: 92%
电源电压: 3 V ~ 16.5 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: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
MAX1771
12V or Adjustable, High-Efficiency,
Low I Q , Step-Up DC-DC Controller
INPUT
2.7V TO 5.5V
22 μ H
EFFICIENCY vs. LOAD CURRENT
150 μ F
1N5820
OUTPUT
5V
1A
100
EXT
1
MTD20N03HDL
90
ON
OFF
4
SHDN
CS
8
0.04 ?
330 μ F
80
V IN = 4V
V IN = 3V
5
REF
MAX1771
V+
2
0.1 μ F
232k ?
100pF
70
60
0.1 μ F
GND
7
AGND FB
6
3
100k ?
50
1m
10m 100m
LOAD CURRENT (A)
1
Figure 9. 5V/1A Boost Converter
___________________Chip Topography
EXT
V+
CS
0.126"
(3.200mm)
GND
FB
AGND
SHDN
0.080"
REF
(2.032mm)
TRANSISTOR COUNT: 501
SUBSTRATE CONNECTED TO V+
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical
Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
16
? 2002 Maxim Integrated
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc.
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