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| 型号： | MAX1876A |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual 180?Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR |
| 中文描述： | 双路、180°异相工作的buck控制器，具有排序/预偏置启动和POR |
| 文件页数： | 10/22页 |
| 文件大小： | 553K |
| 代理商： | MAX1876A |
M
Dual 180° Out-of-Phase Buck Controllers with
Sequencing/Prebias Startup and POR
10
______________________________________________________________________________________
O
N
M
DH_
DL_
MAX1875A/MAX1876A POWER-ON-OFF SEQUENCING DEFINITIONS
SYMBOL
UVLO
VL
EN
VOUT_
SS_
DH_
DL_
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
DEFINITION
SS_
VOUT_
EN
V
L
UVLO
A
B
C
D
E
F
G
H
I
J
K
L
Undervoltage lockout trip level is provided in the
Electrical Characteristics
table.
Internal 5V Linear-Regulator Output
Active-High Enable Input
Output Voltage
Internal Soft-Start Input Signal into Error Amplifier
High-Side Gate-Driver Output
Low-Side Gate-Driver Output
V
L
rising while below the UVLO threshold. EN is low.
V
L
is greater than the UVLO threshold. EN is low.
EN is pulled high.
Normal operation
V
L
enters UVLO.
V
L
exits UVLO.
Resumes normal operation
EN is pulled low.
EN is pulled high.
Resumes normal operation
V
L
drops below UVLO threshold while EN is high.
Resumes normal operation
UVLO is activated and DL_ is latched low.
Exiting UVLO: DL_ remains latched low until the first fall of DH_ is detected.
DL_ is low after EN is pulled low.
Figure 3. MAX1875A/MAX1876A Detailed Power-On-Off Sequencing
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1876AEEG | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1876AEEG+ | 功能描述:电压模式 PWM 控制器 Dual 180 Out PWM Step-Down RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1876AEEG+T | 功能描述:电压模式 PWM 控制器 Dual 180 Out PWM Step-Down RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1876AEEG-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1876EEG | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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