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参数资料
| 型号： | MAX1643EUA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | High-Efficiency, Step-Up DC-DC Converters for 1V Inputs |
| 中文描述： | 1 A SWITCHING REGULATOR, PDSO8 |
| 封装： | 1.10 MM HEIGHT, ULTRA SMALL, UMAX-8 |
| 文件页数： | 5/12页 |
| 文件大小： | 130K |
| 代理商： | MAX1643EUA |
M
High-Effic ienc y, S tep-Up
DC-DC Converters for 1V Inputs
_______________________________________________________________________________________
5
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 4, V
BATT
= 1.2V, R1 + R2 = 1M
, T
A
= +25°C, unless otherwise noted.)
B
LOAD-TRANSIENT RESPONSE
M
A
400
μ
s/div
V
OUT
= 3.3V, V
BATT
= 1.2V
A: OUT, 20mV/div, 3.3V DC OFFSET
B: LOAD, 2mA to 20mA, 10mA/div
0
0.8
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
M
1.4
25
30
5
15
10
20
0.9
1.3
1.2
1.5
1.6
35
1.0
1.1
L1 = 100
μ
H
SUMIDA CD54-101
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 2.4V
0
0.8
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
M
1.4
14
12
18
16
4
2
6
10
8
0.9
1.3
1.2
1.5
1.6
20
1.0
1.1
L1 = 150
μ
H
TDK NLC565050T-151K
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 2.4V
C
SWITCHING WAVEFORMS
M
B
A
10ms/div
V
OUT
= 3.3V, V
IN
= 1.2V, I
OUT
= 12mA
A: LX, 2V/div, L1 = TDK NLC565050T-151K
B: OUT, 20mV/div, 3.3V DC OFFSET
C: INDUCTOR CURRENT, 100mA/div
B
LINE-TRANSIENT RESPONSE
M
A
400
μ
s/div
V
OUT
= 3.3V, LOAD = 15mA
A: OUT, 50mV/div, 3.3V DC OFFSET
B: V
BATT
, 1V to 1.5V, 500mV/div
B
C
SHUTDOWN RESPONSE AND
INDUCTOR CURRENT
M
A
10ms/div
V
OUT
= 3.3V, V
BATT
= 1.2V, I
OUT
= 5mA
A: OUT, 1V/div
B: INDUCTOR CURRENT, 200mA/div
C: SHDN, 2V/div
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1643EUA+ | 功能描述:直流/直流开关转换器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1643EUA+T | 功能描述:直流/直流开关转换器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1643EUA-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1644EAE | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1644EAE/GH9 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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