4V to 72V Input LDOs with Boost Preregulator
Typical Operating Characteristics (continued)
(V IN = V EN = 14V, C IN = 47μF, C BSOUT = 22μF, C OUT = 10μF, C VL = 1μF, T A = +25°C, unless otherwise noted.) (See Figures 4–7 as
applicable.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
STARTUP THROUGH INPUT VOLTAGE
0
MAX5092/93 toc16
V IN = 8V, I OUT = 10mA
I OUT = 250mA
MAX5092/93 toc17
V IN
10V/div
0V
V BSOUT
10V/div
10dB/div
0V
-70
I LX
5A/div
V OUT
5V/div
0A
0V
100
1k
10k
100k
1M
100 μ s/div
FREQUENCY (Hz)
SHUTDOWN THROUGH V IN
MAX5092/93 toc18
STARTUP THROUGH ENABLE
MAX5092/93 toc19
V IN
10V/div
V BSOUT
10V/div
I LX
1A/div
I OUT = 250mA
0V
0V
0A
V IN
10V/div
V BSOUT
10V/div
V OUT
5V/div
14V
14V
0V
V OUT
5V/div
0V
V EN
2V/div
I OUT = 250mA
0V
2ms/div
SHUTDOWN THROUGH ENABLE
MAX5092/93 toc20
200 μ s/div
RESET TIMING RESPONSE
MAX5092/93 toc21
V IN
10V/div
14V
V OUT
2V/div
I OUT = 250mA
V BSOUT
10V/div
14V
C T = 680pF
0V
V RESET
2V/div
V OUT
5V/div
0V
0V
V EN
2V/div
I OUT = 250mA
0V
V EN
2V/div
0V
200 μ s/div
200 μ s/div
_______________________________________________________________________________________
7
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相关代理商/技术参数
MAX5093 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4V to 72V Input LDOs with Boost Preregulator
MAX5093AATE+ 功能描述:低压差稳压器 - LDO 4V to 72V 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
MAX5093AATE+T 功能描述:低压差稳压器 - LDO 4V to 72V 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
MAX5093BATE+ 功能描述:低压差稳压器 - LDO 4V to 72V 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
MAX5093BATE+T 功能描述:低压差稳压器 - LDO 4V to 72V 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
MAX5094A 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094AASA 功能描述:电流型 PWM 控制器 Single-Ended 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
MAX5094AASA+ 功能描述:电流型 PWM 控制器 Single-Ended 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