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参数资料
| 型号： | MAX8734AEEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/33页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY CONTROLLER 28QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 电源控制器 |
| 输入电压： | 4.5 V ~ 24 V |
| 电流 - 电源： | 25µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-QSOP |
| 供应商设备封装： | 28-QSOP |
| 包装： | 带卷 (TR) |
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High-Efficiency, Quad-Output, Main Power-
Supply Controllers for Notebook Computers
Typical Operating Characteristics (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V CC , SHDN = V+,
R CS = 7m ? , V ILIM _ = 0.5V, T A = +25°C, unless otherwise noted.)
5.00
4.99
4.98
4.97
4.96
LDO5 REGULATOR OUTPUT VOLTAGE
vs. OUTPUT CURRENT
3.350
3.348
3.346
3.344
3.342
3.340
3.338
3.336
3.334
3.332
LDO3 REGULATOR OUTPUT VOLTAGE
vs. OUTPUT CURRENT
2.005
2.004
2.003
2.002
2.001
2.000
1.999
1.998
1.997
1.996
REFERENCE VOLTAGE
vs. OUTPUT CURRENT
4.95
0
10 20 30 40 50 60 70 80 90 100
3.330
0
10 20 30 40 50 60 70 80 90 100
1.995
-10 0 10 20 30 40 50 60 70 80 90 100
LDO5 OUTPUT CURRENT (mA)
LDO3 OUTPUT CURRENT (mA)
DELAYED-START WAVEFORMS
I REF ( μ A)
DELAYED-START WAVEFORMS
10V
0
REF, LDO3, AND LDO5 POWER-UP
MAX8732A/3A/4A toc22
V+
10V/div
LDO5
2V/div
5V
0
(ON3 = REF)
MAX8732A/3A/4A toc23
ON5
5V/div
OUT5
5V
0
(ON5 = REF)
MAX8732A/3A/4A toc24
ON3
5V/div
LDO3
2V/div
0
2V/div
OUT5
2V/div
0
REF
0
OUT3
0
1V/div
2V/div
OUT3
0
400 μ s/div
0
100 μ s/div
0
100 μ s/div
2V/div
MAX8732A/MAX8734A (TON = V CC )
5V PWM-MODE
SOFT-START WAVEFORMS
MAX8732A/3A/4A toc25
SHUTDOWN WAVEFORMS
MAX8732A/3A/4A toc26
LOAD TRANSIENT RESPONSE
MAX8732A/3A/4A toc27
5A
I L5
5V
ON3
V OUT ,
0
5A
0
3.3V
0
5A/div
I L3
5A/div
OUT3
5V/div
0
3.3V
0
5V
0
5V/div
OUT3
5V/div
OUT5
5V/div
5V
4A
1A
AC-
COUPLED
100mV/div
INDUCTOR
CURRENT
2A/div
5V
0
OUT5
5V/div
5V
0
SWITCHING
DL3
5V/div
5V
0
DL5
5V/div
200 μ s/div
10ms/div
20 μ s/div
10
______________________________________________________________________________________
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| MAX8736BGTL+ | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Rail/Tube |
| MAX8736ETL | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Rail/Tube |
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