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| 型号： | MAX8744ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/36页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR PWR SUP QUAD 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 控制器，笔记本电脑电源系统 |
| 输入电压： | 6 V ~ 26 V |
| 输出数： | 4 |
| 输出电压： | 3.3V，5V，1 V ~ 26 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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High-Efficiency, Quad-Output, Main Power-
Supply Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I REF = I LDO5 = I OUTA =
no load, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Tri-Level Input Logic
SYMBOL
SKIP , FSEL
CONDITIONS
High
REF
MIN
V LDO5
- 0.4
1.65
TYP
MAX
2.35
UNITS
V
GND
0.5
Input Leakage Current
SKIP , FSEL forced to GND or LDO5
SHDN forced to GND or 26V
-1
-1
+1
+1
μA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I REF = I LDO5 = I OUTA =
no load, T A = -40°C to +85°C , unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
INPUT SUPPLIES (Note 1)
V IN Input Voltage Range
V IN Operating Supply Current
V IN Standby Supply Current
V IN Shutdown Supply Current
V IN
I IN
I IN(STBY)
I IN(SHDN)
LDO5 in regulation
IN = LDO5, V CSL5 < 4.4V
LDO5 switched over to CSL5, either SMPS on
V IN = 6V to 26V, both SMPS off, includes
I SHDN
V IN = 6V to 26V
5.4
4.5
26.0
5.5
40
120
20
V
μA
μA
μA
Both SMPS on, FB3 = FB5 = LDO5; SKIP =
Quiescent Power Consumption
P Q
GND, V CSL3 = 3.5V, V CSL5 = 5.3V,
V OUTA = 15V,
4.5
mW
P IN + P CSL3 + P CSL5
MAIN SMPS CONTROLLERS
3.3V Output Voltage in Fixed
Mode
5V Output Voltage in Fixed Mode
Feedback Voltage in Adjustable
Mode
Output Voltage Adjust Range
FB3, FB5 Dual Mode Threshold
V OUT3
V OUT5
V FB_
V IN = 6V to 26V, SKIP = FB3 = LDO5,
0 < V CSH3 - V CSL3 < 50mV (Note 2)
V IN = 6V to 26V, SKIP = FB5 = LDO5,
0 < V CSH5 - V CSL5 < 50mV (Note 2)
V IN = 6V to 26V, FB3 or FB5
duty factor = 20% to 80% (Note 2)
Either SMPS
3.255
4.925
1.974
2.0
3V
3.375
5.105
2.046
5.5
V LDO5 -
0.4
V
V
V
V
V
FSEL = GND
170
230
Operating Frequency (Note 1)
f OSC
FSEL = REF
270
330
kHz
FSEL = LDO5
425
575
Maximum Duty Factor
D MAX
97
%
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
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| MAX8744EVKIT | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY QUAD OUTPUT MAIN - Rail/Tube |
| MAX8744EVKIT+ | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY QUAD OUTPUT MAIN - Rail/Tube |
| MAX8745ETJ+ | 功能描述:电流和电力监控器、调节器 Quad-Out Main Power Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8745ETJ+T | 功能描述:电流和电力监控器、调节器 Quad-Out Main Power Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX874C/D | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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