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| 型号： | MAX1791EUB+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 300kHz |
| 电源电压： | 5 V ~ 20 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
High-Efficiency, 10-Pin μMAX, Step-Down
Controllers for Notebooks
ABSOLUTE MAXIMUM RATINGS
VP, SHDN to GND ..................................................-0.3V to +22V
VP to VL ..................................................................-0.3V to +22V
OUT, VL to GND .......................................................-0.3V to +6V
DL, FB, REF to GND ....................................-0.3V to (VL + 0.3V)
DH to GND....................................................-0.3V to (VP + 0.3V)
CS to GND ....................................................-2.0V to (VP + 0.3V)
Continuous Power Dissipation (T A = +70°C)
10-Pin μMAX (derate 5.6mW/°C above +70°C) ...........444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
REF Short Circuit to GND ...........................................Continuous
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V VP = 15V, VL enabled, C VL = 1μF, C REF = 0.1μF, T A = 0 to +85°C, unless otherwise noted. Typical values are at T A = +25 ° C.)
(Note 1)
PARAMETER
VP Input Voltage Range
VL Input Voltage Range
OUT Output Voltage
(MAX1762, 1.8V Fixed)
OUT Output Voltage
(MAX1762, 2.5V Fixed)
OUT Output Voltage
(MAX1791, 3.3V Fixed)
OUT Output Voltage
(MAX1791, 5V Fixed)
OUT Output Voltage (Adj Mode)
SYMBOL
V VP
V VL
V OUT
V OUT
V OUT
V OUT
CONDITIONS
VL (overdriven)
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = GND, continuous conduction mode
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = VL, continuous conduction mode
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = GND, continuous conduction mode
V VP = 7V to 20V, V VL = 4.75V to 5.25V,
FB = VL, continuous conduction mode
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = OUT, continuous conduction mode
MIN
5
4.75
1.773
2.463
3.250
4.925
1.231
TYP
1.8
2.5
3.3
5
1.250
MAX
20
5.25
1.827
2.538
3.350
5.075
1.269
UNITS
V
V
V
V
V
V
V
Output Voltage Adjust Range
0.5
5.5
V
OUT Input Resistance
FB Input Bias Current
Soft-Start Ramp Time
Adjustable-output mode
V FB = 1.3V
Zero to full I LIM
300
-0.1
800
1700
1700
0.1
k ?
μA
μs
On-Time (Note 2)
Minimum Off-Time
VL Quiescent Supply Current
t ON
t OFF
V OUT = 1.25V, V VP = 6V
V OUT = 5V, V VP = 6V
(Note 2)
FB = GND, V VL = 5V, OUT forced above the
regulation point
666
2550
300
740
2830
400
153
814
3110
500
260
ns
ns
μA
VP Quiescent Supply Current
FB = GND, OUT forced
above the regulation point,
V VP = 20V
V VL = float
V VL = 5V
227
93
410
200
μA
VL Shutdown Supply Current
VP Shutdown Supply Current
V VL = 5V, SHDN = GND
SHDN = GND, measured at VP, V VL = 0 or 5V
2
4
15
12
μA
μA
VL Output Voltage
I LOAD = 0 to 25mA, V VP = 5V to 20V
4.5
4.65
4.75
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1791EUB+ | 功能描述:DC/DC 开关控制器 Step-Down for Notebook 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 |
| MAX1791EUB+ | 制造商:Maxim Integrated Products 功能描述:CONTROLLER ((NW)) |
| MAX1791EUB+T | 功能描述:DC/DC 开关控制器 Step-Down for Notebook 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 |
| MAX1791EUB-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 |
| MAX1791EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1791 MAX1762 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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