参数资料
型号: MAX8969EWL35+T
厂商: Maxim Integrated Products
文件页数: 7/15页
文件大小: 0K
描述: IC REG BOOST SYNC 3.5V 1A 9WLP
标准包装: 2,500
类型: 升压(升压)
输出类型: 固定
输出数: 1
输出电压: 3.5V
输入电压: 2.5 V ~ 5.5 V
频率 - 开关: 3MHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
包装: *
供应商设备封装: *
MAX8969
Step-Up Converter
for Handheld Applications
Typical Operating Characteristics
(V IN = 3.6V, C OUT = 22μF, X5R, 6.3V local and 10μF, X5R, 6.3V, 1μH inductor, circuit of Figure 1, T A = +25 N C, unless otherwise noted.)
LIGHT-LOAD RIPPLE
MAX8969 toc15
STARTUP (V OUT = 3.7V)
MAX8969 toc16
2V/div
V OUT
V LX
AC-COUPLED
20mV/div
2V/div
V EN
V OUT
C OUT , TYP = 32μF,
TREN = GND,
I OUT = 10mA,
V IN = 2.6V
0
2V/div
0
2V/div
I OUT = 1mA, V IN = 3.6V
40μs/div
STARTUP (V OUT = 5V)
MAX8969 toc17
0
2V/div
V LX
V OUT
200μs/div
HARD-SHORT (V OUT = 3.7V)
MAX8969 toc18
0
2V/div
V EN
C OUT , TYP = 32μF,
TREN = GND,
I OUT = 10mA,
V IN = 3.2V
0
2V/div
I OUT
0
2A/div
0
V OUT
V LX
0
2V/div
V LX
V IN = 3.2V, 0.1 I LOAD
2V/div
0
2A/div
V OUT
200μs/div
HARD-SHORT (V OUT = 5V)
MAX8969 toc19
0
2V/div
I LX
V EN
40μs/div
SHUTDOWN
MAX8969 toc20
0
2V/div
0
2A/div
0
I OUT
V LX
I LX
Maxim Integrated
V IN = 3.2V, 0.1 I LOAD
20μs/div
0
2V/div
0
2A/div
0
V OUT
V LX
10 I LOAD, TREN = GND
2μs/div
2V/div
0
2V/div
0
7
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