参数资料
型号: MAX8625AETD+T
厂商: Maxim Integrated Products
文件页数: 6/16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.)
ON
2V/div
STARTUP WAVEFORMS
V IN = 3.6V, LOAD = 5 ? , V OUT = 3.288V
MAX8625A toc16
V OUT
20mV/div
ON
2V/div
V OUT
1V/div
STARTUP WAVEFORMS (FIGURE 3)
V IN = 3.6V, LOAD = 30 ? , V OUT = 1.5V
MAX8625A toc17
I LX
I BATT
500mA/div
2ms/div
I LX
500mA/div
2ms/div
LINE TRANSIENT
500mA/div
I BATT
100mA/div
LOAD TRANSIENT
V OUT = 3.3V
MAX8625A toc18
V OUT
100mV/div
(DC OFFSET = 3.3V)
V OUT = 3.3V, LOAD = 5.5 ? ,
V IN RAMP 3V TO 4V
MAX8625A toc19
I LX
500mA/div
400 μ s/div
BODE PLOT
GAIN AND PHASE vs. FREQUENCY
I BATT
250mA/div
CH1 = V IN
500mV/div
3V OFFSET
1ms/div
OSCILLATOR FREQUENCY
vs. TEMPERATURE
CH2 = V OUT
50mV/div
(AC-COUPLED)
40
30
20
10
0
-10
-20
-30
-40
-50
-60
PHASE
V IN = 3.6V
V OUT = 3.3V
LOAD = 200mA
GAIN
MAX8625A toc20
180
144
108
72
36
0
-36
-72
-108
-144
-180
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
1
10
100
1000
-40
-20
0
20
40
60
80
100
FREQUENCY (kHz)
TEMPERATURE ( ° C)
6
_______________________________________________________________________________________
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