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| 型号： | MAX1649ESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 300kHz |
| 占空比： | 96.5% |
| 电源电压： | 3 V ~ 16 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
5V/3.3V or Adjustable, High-Efficiency,
Low-Dropout, Step-Down DC-DC Controllers
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V+ to GND.......................................-0.3V, +17V
REF, SHDN, FB, CS, EXT, OUT .......................-0.3V, (V+ + 0.3V)
Continuous Power Dissipation (T A = +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) .............727mW
SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Ranges
MAX1649C_A, MAX1651C_A ..............................0°C to +70°C
MAX1649E_A, MAX1651E_A ............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
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+ = 5V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
V+ Input Voltage Range
SYMBOL
V+
V OUT < V+
CONDITIONS
MIN
3.0
TYP
MAX
16
UNITS
V
V+ = 16V, SHDN ≤ 0.4V (operating, switch off)
78
100
Supply Current
I+
V+ = 16V, SHDN ≥ 1.6V (shutdown)
V+ = 10V, SHDN ≥ 1.6V (shutdown)
2
1
5
μA
FB Trip Point
FB Input Current
I FB
MAX1649C, MAX1651C
MAX1649E, MAX1651E
MAX1649C, MAX1651C
MAX1649E, MAX1651E
1.470
1.4625
1.5
1.5
1.530
1.5375
±50
±70
V
nA
Output Voltage
Reference Voltage
REF Load Regulation
REF Line Regulation
Output Voltage
Line Regulation
Output Voltage
Load Regulation
Efficiency
V OUT
V REF
MAX1649, V+ = 5.5V to 16V
MAX1651, V+ = 3.6V to 16V
MAX1649C, MAX1651C, I REF = 0 μ A
MAX1649E, MAX1651E, I REF = 0 μ A
0μA ≤ I REF ≤ 100μA, sourcing only
3V ≤ V+ ≤ 16V
MAX1649, 5.5V ≤ V+ ≤ 16V,
I LOAD = 1A
Circuit of
Figure 1
MAX1651, 3.6V ≤ V+ ≤ 16V,
I LOAD = 1A
MAX1649, 0A ≤ I LOAD ≤ 1.5A,
V IN = 10V
Circuit of
Figure 1
MAX1651, 0A ≤ I LOAD ≤ 1.5A,
V IN = 5V
MAX1649, V+ = 10V,
I LOAD = 1A
Circuit of
Figure 1
MAX1651, V+ = 5V,
I LOAD = 1A
4.80
3.17
1.470
1.4625
5.0
3.3
1.5
1.5
4
40
2.6
1.7
-47
-45
90
90
5.20
3.43
1.530
1.5375
10
100
V
V
mV
μV/V
mV/V
mV/A
%
SHDN Input Current
V+ = 16V, SHDN = 0V or V+
1
μA
SHDN Input Voltage High
SHDN Input Voltage Low
V IH
V IL
3V ≤ V+ ≤ 16V
3V ≤ V+ ≤ 16V
1.6
0.4
V
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1649ESA+ | 功能描述:DC/DC 开关控制器 5/3.3/Adj Low-Drop Step-Down 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 |
| MAX1649ESA+T | 功能描述:DC/DC 开关控制器 5/3.3/Adj Low-Drop Step-Down 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 |
| MAX1649ESA-T | 功能描述:DC/DC 开关控制器 5/3.3/Adj Low-Drop Step-Down 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 |
| MAX1649EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX649 MAX651 MAX652 and MAX1649 MAX1651 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 |
| MAX1649EVKIT-SO | 功能描述:DC/DC 开关控制器 3V or Adjustable High-Efficiency Low-Dropout Step-Down DC-DC Controller 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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