参数资料
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: 5/22页
文件大小: 553K
代理商: MAX1876A
START AND STOP WAVEFORM
(MAX1875A/MAX1876A ONLY)
MAX1858A/75A/76A toc09
2ms/div
10V
EN
0V
V
1V/div
I
OUT1
= 300mA
0V
V
1V/div
I
OUT2
= 300mA
0V
PREBIAS STARTUP
M
Dual 180° Out-of-Phase Buck Controllers with
Sequencing/Prebias Startup and POR
_______________________________________________________________________________________
5
INPUT POWER REMOVAL
MAX1858A/75A/76A toc10
5ms/div
V
IN
10V/div
0V
V
1V/div
I
OUT1
= 300mA
0V
0V
V
OUT2
1V/div
I
OUT2
= 300mA
CKO OUTPUT WAVEFORM
MAX1858A/75A/76A toc14
400ns/div
V
OUT1
10mV/div
AC-COUPLED
5V
V
CK0
0V
V
LX1
0V
10V
SYNC = GND
CKO OUTPUT WAVEFORM
MAX1858A/75A/76A toc15
400ns/div
V
10mV/div
5V
V
CK0
0V
V
LX1
0V
10V
SYNC = V
L
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 12V, T
A
= +25
°
C, unless otherwise noted.)
SHORT-CIRCUIT CURRENT FOLDBACK
AND RECOVERY
MAX1858A/75A/76A toc16
4ms/div
I
OUT1
= 10A (5A/div)
V
OUT1
= 1.8V (1V/div)
V
OUT2
= 2.5V (1V/div)
I
OUT2
= 10A (5A/div)
V
OUT2
SHORT
RESET TIMEOUT
(MAX1858A/MAX1876A ONLY)
100ms/div, 5V/div
V
OUT1
0V
0V
0V
V
OUT2
0
EN
V
RST
OUT-OF-PHASE WAVEFORM
MAX1858A/75A/76A toc12
1
μ
s/div
V
20mV/div
V
20mV/div
12V
V
LX1
V
LX2
0V
12V
0V
EXTERNALLY SYNCHRONIZED
SWITCHING WAVEFORM
400ns/div
V
10mV/div
AC-COUPLED
5V
V
SYNC
5V
V
CK0
0V
0V
V
LX1
0V
10V
相关PDF资料
PDF描述
MAX1858AEEG Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
MAX186CMJP Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX186ACAP Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX186ACPP Low-Power, 8-Channel, Serial 12-Bit ADCs
MAX186ACWP Low-Power, 8-Channel, Serial 12-Bit ADCs
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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
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