MAX8834Y/MAX8834Z
Adaptive Step-Up Converters
with 1.5A Flash Driver
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 3.6V, V OUT = 3.8V, V DD = 3.0V, T A = +25°C, unless otherwise noted.)
SHUTDOWN WAVEFORM
(MAX 88 34Y, V OUT = 5V)
MAX8834Y/Z toc15
SHUTDOWN WAVEFORM
(MAX 88 34Y, ADAPTIVE MODE)
MAX8834Y/Z toc16
V OUT
V LX
5V
2V/div
2V/div
V OUT
V LX
2V/div
2V/div
I LX
V COMP
V OUT = 5V
I LED1 = 31.25mA
500mA/div
1V/div
I LX
V COMP
ADAPTIVE MODE
I LED1 = 31.25mA
500mA/div
1V/div
400 μ s/div
SHUTDOWN WAVEFORM
(MAX 88 34Z, V OUT = 5V)
MAX8834Y/Z toc17
400 μ s/div
SHUTDOWN WAVEFORM
(MAX 88 34Z, ADAPTIVE MODE)
MAX8834Y/Z toc18
V OUT
V LX
5V
2V/div
2V/div
V OUT
V LX
2V/div
2V/div
I LX
V OUT = 5V
I LED1 = 31.25mA
500mA/div
I LX
ADAPTIVE MODE
I LED1 = 31.25mA
500mA/div
V COMP
400 μ s/div
LIGHT-LOAD SWITCHING WAVEFORMS
(MAX 88 34Y)
MAX8834Y/Z toc19
1V/div
V COMP
400 μ s/div
LIGHT-LOAD SWITCHING WAVEFORMS
(MAX 88 34Z)
MAX8834Y/Z toc20
1V/div
V LX
I LX
2V/div
0V
0mA
200mA/div
V LX
I LX
2V/div
0V
0mA
200mA/div
V OUT
AC RIPPLE
V OUT = 5V
I OUT = 16mA
20mV/div
V OUT
AC RIPPLE
V OUT = 5V
I OUT = 16mA
20mV/div
8
400ns/div
400ns/div
Maxim Integrated
相关PDF资料
MAX8855EVKIT+ KIT EVAL FOR MAX8855
MAX8879ETG+T IC LED DRVR WT/RGB BCKLGT 24TQFN
MAX8901BETA+TCH8 IC LED DRIVER WHITE BCKLGT 8TDFN
MAX8930EWJ+T IC LED DRVR WT/RGB BCKLGT 49WLP
MAXQ2000-KIT EVAL KIT FOR MAXQ2000
MAXQ610-KIT# EVALUATION KIT FOR MAXQ610
MB2146-401-01A KIT STARTER F2MC-8FX 3V
MB2146-401-03A KIT STARTER F2MC-8FX 5V
相关代理商/技术参数
MAX8836ZEREEE+T 功能描述:电流型 PWM 控制器 1.2A PWM Step-Down Converter RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX8836ZEWEEE+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX8836ZEWEEE+T 制造商:Maxim Integrated Products 功能描述:
MAX883C/D 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX883CPA 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883CPA+ 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883CSA 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20