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參數資料
| 型號： | MAX1626-MAX1627 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers |
| 中文描述： | 5V/3.3V或可調，100％的占空比，高效率，降壓型DC - DC控制器 |
| 文件頁數： | 2/16頁 |
| 文件大?。?/td> | 185K |
| 代理商： | MAX1626-MAX1627 |
M
5V /3.3V or Adjustable, 100% Duty-Cyc le,
High-Effic ienc y, S tep-Down DC-DC Controllers
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V+ to GND.......................................-0.3V, +17V
OUT, FB,
3
/5, SHDN, REF, CS, EXT to GND...-0.3V, (V+ + 0.3V)
Maximum Current at REF (I
REF
)..........................................15mA
Maximum Current at EXT (I
EXT
) ..........................................50mA
Continuous Power Dissipation (T
A
= +70°C)
SO (derate 5.88mW/°C above +70°C)..........................471mW
2
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(V+ = +3V to +16.5V, SHDN =
3
/5 = 0V, T
A
= 0°C to +85°C, unless otherwise noted.)
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.
Operating Temperature Range
MAX1626ESA/MAX1627ESA ............................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
0μA
≤
I
REF
≤
100μA
V+ = 3V to 16.5V, I
LOAD
= 0μA
I
LOAD
= 0μA
30mA < I
LOAD
< 2.0A, V+ = 8V
V+ = SHDN = 16.5V (shutdown)
6.0V < V+ < 12.0V, I
LOAD
= 1A
Operating, no load
Output in regulation
Output forced to 0V
V+ = 5V
3
/5 = 0V or V+
MAX1627
Circuit of Figure 1,
3
/5 = V+ (Note 1)
Circuit of Figure 1,
3
/5 = 0V (Note 1)
MAX1626,
3
/5 = V+, output forced to 5V
MAX1627, includes hysteresis
SHDN = 0V or V+
CONDITIONS
mV
μV/V
4
10
100
REF Load Regulation
REF Line Regulation
V
1.27
1.30
1.33
V
REF
Reference Voltage
mV/A
15
Load Regulation
mV/V
5
Line Regulation
%
100
EXT Duty-Cycle Limit
μs
1.5
2.0
2.5
8
10
12
Minimum EXT Off Time
10
EXT Resistance
μA
±1
3
/5 Leakage Current
V
0.5
3
/5 Input Voltage Low
V
V+ - 0.5
3
/5 Input Voltage High
μA
±1
SHDN Input Current
V
0.4
SHDN Input Voltage Low
μA
1
I+
Supply Current into V+
70
90
V
3.0
16.5
V+
Input Voltage Range
V
1.6
SHDN Input Voltage High
mV
85
100
115
V
CS
CS Threshold Voltage
μA
0
10
CS Input Current
nA
0
35
FB Leakage Current
V
2.7
5.00
3.30
2.8
5.15
3.40
Undervoltage Lockout
4.85
3.20
μA
V
24
1.27
37
1.30
50
1.33
I
OUT
OUT Input Current
FB Threshold Voltage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
10
V
V
OUT
Output Voltage
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1627ESA | 功能描述:DC/DC 開關控制器 5/3.3V or Adjustable 100% Duty Cycle RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1627ESA+ | 功能描述:DC/DC 開關控制器 5/3.3V or Adjustable 100% Duty Cycle RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1627ESA+ | 制造商:Maxim Integrated Products 功能描述:CONTROLLER STEP DOWN DC-DC 1627 制造商:Maxim Integrated Products 功能描述:CONTROLLER, STEP DOWN, DC-DC, 1627 |
| MAX1627ESA+G071 | 功能描述:DC/DC 開關控制器 Adjustable 100% Duty-Cycle High-Efficiency Step-Down DC-DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1627ESA+T | 功能描述:DC/DC 開關控制器 5/3.3V or Adjustable 100% Duty Cycle RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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