参数资料
型号: MAX8550AETI+
厂商: Maxim Integrated Products
文件页数: 7/29页
文件大小: 0K
描述: IC PWR SUP DDR INTEG 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
应用: 控制器,DDR
输入电压: 2 V ~ 28 V
输出数: 2
输出电压: 1.8V,2.5V,0.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
Integrated DDR Power-Supply Solution for
Desktops, Notebooks, and Graphic Cards
Typical Operating Characteristics (continued)
(V VIN = 12V, V OUT = 2.5V, TON = GND, SKIP = AV DD , circuit of Figure 8, T A = +25°C, unless otherwise noted.)
LOAD TRANSIENT (BUCK)
MAX8550A toc10
LOAD TRANSIENT VTT (-1.5A TO +1.5A)
MAX8550A toc11
LOAD TRANSIENT VTT (-3A TO +3A)
MAX8550A toc12
I VTT = 1.5A, I VTTR = 15mA
V OUT
100mV/div
I LOAD = 12A, I VTTR = 15m A
V OUT
50mV/div
I LOAD = 12A, I VTTR = 15mA
V OUT
50mV/div
VTT
100mV/div
VTTR
100mV/div
VTT
50mV/div
VTTR
50mV/div
VTT
50mV/div
VTTR
50mV/div
12A
0.1A
I LOAD
10A/div
0A
I VTT
2A/div
0A
I VTT
5A/div
20 μ s/div
POWER-UP WAVEFORMS
MAX8550A toc13
V DD = 5V, I LOAD = 12A, I VTT = 1.5A, I VTTR = 15mA
40 μ s/div
POWER-DOWN WAVEFORMS
MAX8550A toc14
V DD = 5V, I LOAD = 12A, I VTT = 1.5A, I VTTR = 15mA
40 μ s/div
STARTUP AND SHUTDOWN INTO
HEAVY LOAD, DISCHARGE DISABLED
MAX8550A toc15
I LOAD = 12A,
OUT
OUT
I VTT = 1.5A
V OUT
0V
0V
0V
0V
1V/div
VTT
2V/div
VTTR
1V/div
V IN
10V/div
0V
0V
0V
0V
1V/div
VTT
2V/div
VTTR
1V/div
V IN
10V/div
0V
0V
0V
0V
2V/div
VTT
1V/div
POK1
5V/div
SHDN
5V/div
200 μ s/div
STARTUP AND SHUTDOWN INTO
LIGHT LOAD, DISCHARGE ENABLED
MAX8550A toc16
200 μ s/div
1ms/div
STANDBY RESPONSE
VTT LOADED AT 10 Ω TO GND
MAX8550A toc17a
10V/div
1.8V
SHDN
500mV/div
5V/div
STBY
V OUT
500mV/div
1.8V
0.9V
V OUT
500mV/div
500mV/div
0.9V
0.9V VTT
500mV/div
VTT
2ms/div
VTTR
500mV/div
2ms/div
0.9V
VTTR
_______________________________________________________________________________________
7
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MAX8550AETI+ 功能描述:电压模式 PWM 控制器 Integrated DDR Power Supply Solution 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
MAX8550AETI+T 功能描述:电压模式 PWM 控制器 Integrated DDR Power Supply Solution 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
MAX8550AETI-T 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
MAX8550ETI 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
MAX8550ETI+ 功能描述:电压模式 PWM 控制器 Integrated DDR Power Supply Solution 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