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参数资料
| 型号： | MAX1572ETC250 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with RESET |
| 中文描述： | 2.1 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, QCC12 |
| 封装： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGB, TQFN-12 |
| 文件页数： | 5/11页 |
| 文件大小： | 340K |
| 代理商： | MAX1572ETC250 |
M
800mA, 2MHz, PWM DC-to-DC
Step-Down Converter with
RESET
_______________________________________________________________________________________
5
60
0
2.0
5.5
INPUT CURRENT vs. INPUT VOLTAGE
WITH NO LOAD
30
10
20
50
40
M
INPUT VOLTAGE (V)
I
μ
A
2.5
3.0
4.0
4.5
5.0
3.5
HEAVY-LOAD SWITCHING WAVEFORMS
V
LX
I
L
V
RIPPLE
10mV/div
500mA/div
2V/div
200ns/div
I
LOAD
= 500mA
LIGHT-LOAD SWITCHING WAVEFORMS
V
LX
I
L
V
RIPPLE
20mV/div
500mA/div
2V/div
2
μ
s/div
I
LOAD
= 20mA
SOFT-START/SHUTDOWN WAVEFORMS
V
EN2
I
IN
V
OUT
1V/div
100mA/div
2V/div
200
μ
s/div
RESET WAVEFORM
MAX1572 toc11
V
EN2
I
IN
V
RESET
V
OUT
1V/div
1V/div
100mA/div
2V/div
100ms/div
LOAD TRANSIENT, FORCED-PWM MODE
I
LOAD
V
OUT
500mA/div
100mV/div
4
μ
s/div
I
LOAD
= 20mA TO 550mA
Typical Operating Characteristics (continued)
(V
BATT
= 3.6V, V
OUT
= 1.5V, EN1 = GND, EN2 = BATT, T
A
= +25
°
C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1572ETC250+ | 功能描述:直流/直流开关转换器 800mA 2MHz PWM Step-Down w/Reset 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 |
| MAX1572ETC250+T | 功能描述:直流/直流开关转换器 800mA 2MHz PWM Step-Down w/Reset 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 |
| MAX1572ETC250-T | 功能描述:直流/直流开关转换器 800mA 2MHz PWM Step-Down w/Reset 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 |
| MAX1572EVKIT | 功能描述:电源管理IC开发工具 Evaluation Kit for the MAX1572 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX1573EBE | 制造商:Maxim Integrated Products 功能描述:SMALLEST HIGHEST EFFICIENCY WHITE - Rail/Tube |
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