参数资料
型号: MAX8625AETD+T
厂商: Maxim Integrated Products
文件页数: 7/16页
文件大小: 0K
描述: IC REG BUCK BST SYNC 0.8A 14TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 降压(降压),升压(升压)
输出类型: 两者兼有
输出数: 1
输出电压: 3.3V,1.25 V ~ 4 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 800mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 14-TDFN-EP(3x3)
其它名称: MAX8625AETD+TDKR
High-Efficiency, Seamless Transition,
Step-Up/Down DC-DC Converter
Typical Operating Characteristics (continued)
(V IN = 3.6V, SKIP = GND, T A = +25°C, Figure 4, unless otherwise noted.)
2.48
MINIMUM STARTUP VOLTAGE
vs. TEMPERATURE
1.28
REFERENCE vs. TEMPERATURE
NO LOAD
2.46
2.44
2.42
2.40
2.38
2.36
V OUT = 3.3V, NO LOAD
1.27
1.26
1.25
2.34
2.32
2.30
2.28
1.24
1.23
1.22
V OUT = 3.3V
V IN = 3.0V,
3.6V,
4.2V,
5.0V
-50
-25
0
25
50
75
100
-40
-20
0
20
40
60
80
100
TEMPERATURE ( ° C)
REFERENCE vs. TEMPERATURE
WITH 300mA LOAD
TEMPERATURE ( ° C)
SHUTDOWN DUE TO OVERLOAD
V IN = 3.6V, V OUT = 3.288V
MAX8625A toc25
1.28
1.27
V LX1
1.26
1.25
2V/div
V LX2
2V/div
1.24
1.23
V OUT = 3.3V
V IN = 3.0V,
3.6V,
4.2V,
5.0V
V OUT
500mV/div
I LX
500mA/div
1.22
-40
-20
0
20
40
60
80
100
100 μ s/div
TEMPERATURE ( ° C)
BOOST-TO-BUCK TRANSITION
FPWM MODE V IN = 3.6V, V OUT = 3.288V
MAX8625A toc26
V OUT
100mV/div
AC-COUPLED
V IN
1V/div
DC OFFSET = 3V
I LX
200mA/div
2 μ s/div
_______________________________________________________________________________________
7
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