参数资料
型号: MAX1858AEEG
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 稳压器
英文描述: Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
中文描述: DUAL SWITCHING CONTROLLER, 660 kHz SWITCHING FREQ-MAX, PDSO24
封装: 0.150 INCH, 0.25 INCH PITCH, MO-137AE, QSOP-24
文件页数: 10/22页
文件大小: 553K
代理商: MAX1858AEEG
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
MAX1858AEEG+ 功能描述:电压模式 PWM 控制器 Dual 180 Out Buck Controllers 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
MAX1858AEEG+T 功能描述:电压模式 PWM 控制器 Dual 180 Out Buck Controllers 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
MAX1858AEEG-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
MAX1858EEG 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
MAX1858EEG+ 功能描述:电压模式 PWM 控制器 Dual 180 Out Buck Controllers 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