參數(shù)資料
型號(hào)： MAX1858A-MAX1876A
廠商： 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： 雙180Σ外的多相降壓控制器與排序/偏置啟動(dòng)和葡萄牙
文件頁(yè)數(shù)： 10/22頁(yè)
文件大?。?/td> 553K
代理商： MAX1858A-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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1858EEG 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1858EEG+ 功能描述:電壓模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1858EEG+T 功能描述:電壓模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1858EEG-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1858EVKIT 功能描述:DC/DC 開關(guān)控制器 Evaluation Kit for the MAX1858 MAX1875 MAX1876 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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