参数资料
型号: MAX1937EEI+
厂商: Maxim Integrated Products
文件页数: 9/24页
文件大小: 0K
描述: IC REG CTRLR PWM HYBRID 28-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 混合物
输出数: 1
频率 - 最大: 500kHz
占空比: 50%
电源电压: 6 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 85°C
封装/外壳: 28-QSOP
包装: 管件
Two-Phase Desktop CPU Core Supply
Controllers with Controlled VID Change
Typical Operating Characteristics (continued)
(V IN = 12V, V OUT = 1.45V, T A = +25°C, unless otherwise noted.)
LOAD TRANSIENT
SOFT-START WAVEFORMS
1A TO 40A TO 1A
MAX1937 toc14
OUTPUT VOLTAGE:
WITH NO LOAD
MAX1937 toc15
POK SIGNAL
50mV/div
OUTPUT VOLTAGE:
0.5V/div
INDUCTOR CURRENTS:
10A/div
40 μ s/div
SOFT-START WAVEFORMS
WITH 40A LOAD
MAX1937 toc16
TRANSIENT CONTROL
SIGNAL:
C6 = 47pF
R2 = 91.1k Ω
POK SIGNAL
OUTPUT VOLTAGE:
0.5V/div
1ms/div
SHUTDOWN WAVEFORM
WITH NO LOAD
MAX1937 toc17
INDUCTOR CURRENT:
10A/div
ENABLE SIGNAL
POK SIGNAL
OUTPUT VOLTAGE:
0.5V/div
INDUCTOR CURRENT:
10A/div
INDUCTOR CURRENT:
10A/div
1ms/div
SHUTDOWN WAVEFORM
ENABLE SIGNAL
20ms/div
ENABLE SIGNAL
WITH 40A LOAD
MAX1937 toc18
POK SIGNAL
160
140
CURRENT-SENSE THRESHOLD vs. V ILIM
T A = +80 ° C
OUTPUT VOLTAGE:
0.5V/div
120
INDUCTOR CURRENT:
10A/div
ENABLE SIGNAL
100
80
60
V IN = 12V
V OUT = 1.45V
T A = +25 ° C
20ms/div
40
0.5
0.7
0.9
1.1
1.3
1.5
V ILIM (V)
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9
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MAX1937EEI+ 功能描述:DC/DC 开关控制器 2-Phase Desktop CPU Core Supply Ctlr 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
MAX1937EEI+T 功能描述:DC/DC 开关控制器 2-Phase Desktop CPU Core Supply Ctlr 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
MAX1937EEI-T 功能描述:开关变换器、稳压器与控制器 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
MAX1937EEI-TG069 制造商:Maxim Integrated Products 功能描述:
MAX1938EEI 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