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参数资料
| 型号： | MAX1651 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
| 中文描述： | 5V/3.3V或可调、高效率、低压差、降压型DC-DC控制器 |
| 文件页数： | 2/12页 |
| 文件大小： | 167K |
| 代理商： | MAX1651 |
M
5V /3.3V or Adjustable, High-Effic ienc y,
Low-Dropout, S tep-Down DC-DC Controllers
2
_______________________________________________________________________________________
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
ELECTRICAL CHARACTERISTICS
(V+ = 5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°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.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
1.4625
1.5
1.5375
±50
±70
5.20
3.43
1.530
1.5375
10
100
FB Trip Point
1.470
1.5
1.530
V
I+
1
5
FB Input Current
I
FB
nA
Output Voltage
V
OUT
4.80
3.17
1.470
1.4625
5.0
3.3
1.5
1.5
4
40
V
Supply Current
V+ Input Voltage Range
V+
3.0
16
V
78
2
100
μA
Reference Voltage
V
REF
V
REF Load Regulation
REF Line Regulation
mV
μV/V
CONDITIONS
MAX1649E, MAX1651E
MAX1649C, MAX1651C
MAX1649E, MAX1651E
Circuit of
Figure 1
MAX1649C, MAX1651C, I
REF
= 0
μ
A
MAX1649E, MAX1651E, I
REF
= 0
μ
A
0μA
≤
I
REF
≤
100μA, sourcing only
3V
≤
V+
≤
16V
MAX1649C, MAX1651C
V+ = 10V, SHDN
≥
1.6V (shutdown)
V
OUT
< V+
V+ = 16V, SHDN
≤
0.4V (operating, switch off)
V+ = 16V, SHDN
≥
1.6V (shutdown)
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
MAX1649, V+ = 5.5V to 16V
MAX1651, V+ = 3.6V to 16V
2.6
mV/V
1.7
Output Voltage
Line Regulation
Circuit of
Figure 1
MAX1649, 5.5V
≤
V+
≤
16V,
I
LOAD
= 1A
MAX1651, 3.6V
≤
V+
≤
16V,
I
LOAD
= 1A
-47
mV/A
MAX1649, 0A
≤
I
LOAD
≤
1.5A,
V
IN
= 10V
MAX1651, 0A
≤
I
LOAD
≤
1.5A,
V
IN
= 5V
-45
Output Voltage
Load Regulation
Circuit of
Figure 1
90
%
MAX1649, V+ = 10V,
I
LOAD
= 1A
MAX1651, V+ = 5V,
I
LOAD
= 1A
90
Efficiency
Circuit of
Figure 1
SHDN Input Current
SHDN Input Voltage High
SHDN Input Voltage Low
V+ = 16V, SHDN = 0V or V+
3V
≤
V+
≤
16V
3V
≤
V+
≤
16V
1
μA
V
V
V
IH
V
IL
1.6
0.4
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1649EPA | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
| MAX1649ESA | Circular Connector; Body Material:Aluminum Alloy; Series:D38999; No. of Contacts:100; Connector Shell Size:23; Connecting Termination:Grounded; Gender:Male |
| MAX1649 | 5V/3.3V or Adjustable, High-Efficiency,Low-Dropout, Step-Down DC-DC Controllers(5V或可调,降压型，输出电流2A,DC-DC变换器,MAX649的改进型) |
| MAX1651CPA | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
| MAX1651CSA | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1651CPA | 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 |
| MAX1651CSA | 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 |
| MAX1651CSA+ | 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 |
| MAX1651CSA+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 |
| MAX1651CSA-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 |
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