参数资料
型号: MAX1556ETB+T
厂商: Maxim Integrated Products
文件页数: 5/12页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1.2A 10TDFN
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)
输出类型: 可调式
输出数: 1
输出电压: 0.75 V ~ 5.5 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 1.2A
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: 10-WFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 10-TDFN-EP(3x3)
其它名称: MAX1556ETB+TDKR
16μA I Q , 1.2A PWM DC-DC
Step-Down Converters
Typical Operating Characteristics (continued)
(V IN = V INP = 3.6V, D1 = D2 = SHDN = IN, Circuits of Figures 2 and 3, T A = +25°C, unless otherwise noted.)
EXTERNAL FEEDBACK
LIGHT-LOAD SWITCHING WAVEFORMS
MAX1556/7 toc10
SWITCHING WAVEFORMS
MAX1556/7 toc10b
SOFT-START/SHUTDOWN WAVEFORMS
MAX1556/7 toc11
5V/div
V OUT
20mV/div
AC-COUPLED
V SHDN
0
V LX
2V/div
0
V LX
2V/div
0
V OUT
I LX
C SS = 470pF
R LOAD = 4 ?
1V/div
0
500mA/div
0
I LX
200mA/div
0
I LX
V IN = 5V, V OUT = 3.3V, I OUT = 500mA
200mA/div
0
I IN
500mA/div
0
4 μ s/div
2 μ s/div
100 μ s/div
10
SOFT-START RAMP TIME vs. C SS
V OUT
LOAD TRANSIENT
MAX1556/7 toc13
50mV/div
AC-COUPLED
1
500mA/div
I OUT
I OUTMIN = 20mA
0
0.1
0
500
1000
1500
2000
2500
20 μ s/div
C SS (pF)
LOAD TRANSIENT
LINE TRANSIENT
BODE PLOT
MAX1556/7 toc14
MAX1556/7 toc15
4V
40
30
MAX1556/7 toc16
240
210
V OUT
50mV/div
AC-COUPLED
V IN
3.5V
20
10
180
150
0
120
10mV/div
-10
90
500mA/div
0
V OUT
AC-COUPLED
200mA/div
-20
-30
-40
0dB
PHASE MARGIN = 53°
60
30
0
I OUT
I OUTMIN = 180mA
20 μ s/div
I LX
40 μ s/div
0
-50
-60
0.1
C OUT = 22μF, R LOAD = 4?
1 10
100
-30
-60
1000
FREQUENCY (kHz)
_______________________________________________________________________________________
5
相关PDF资料
PDF描述
IHSM7832PJ102L INDUCTOR POWER 1000UH 0.51A SMD
IHSM7832EB681L INDUCTOR POWER 680UH 0.63A SMD
IHSM7832EB561L INDUCTOR POWER 560UH 0.68A SMD
IHSM7832EB471L INDUCTOR POWER 470UH 0.74A SMD
IHSM7832EB222L INDUCTOR POWER 2200UH 0.31A SMD
相关代理商/技术参数
参数描述
MAX1556EVKIT 功能描述:电源管理IC开发工具 MAX1556 Eval Kit 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
MAX1557ETB 制造商:Maxim Integrated Products 功能描述:16MICROAMP QUIESCENT CURRENT 1.2A - Rail/Tube
MAX1557ETB+ 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 10TDFN EP - Rail/Tube
MAX1557ETB+T 功能描述:直流/直流开关转换器 16uA IQ 1.2A PWM Step-Down 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
MAX1557ETB-T 功能描述:直流/直流开关转换器 16uA IQ 1.2A PWM Step-Down 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