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參數資料
| 型號： | MAX1745AUB+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High-Voltage, Step-Down DC-DC Controller in µMAX |
| 中文描述： | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MICRO MAX PACKAGE-10 |
| 文件頁數： | 8/14頁 |
| 文件大?。?/td> | 256K |
| 代理商： | MAX1745AUB+T |
MAX1744/MAX1745
High-Voltage, Step-Down DC-DC
Controller in MAX
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(VIN = SHDN = 5.5V to 36V, 3/5 = GND, ILOAD = 0, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
Input Voltage Range
4.5
36
V
Supply Current into IN
SHDN = VIN = 5.5V to 36V
140
A
Shutdown Supply Current
SHDN = GND
12
A
3/5 = VL
4.85
5.15
Output Voltage (MAX1744)
3/5 = GND
3.20
3.40
V
OUT Input Current (MAX1744)
3/5 = VL, VOUT = 5V
44
A
FB Threshold Voltage (MAX1745)
Falling edge, hysteresis = 8mV
1.22
1.28
V
FB Input Current (MAX1745)
-50
50
nA
VH Output Voltage with Respect to IN
VIN = 5.5V to 36V, IVH = 100A to 20mA
-6.0V
-4.3V
V
VL Output Voltage
VIN = 5.5V to 36V, IVL = 100A to 2mA
4.5
5.5
V
VL Undervoltage Lockout
2.0
4.1
V
VCS = VOUT = 2.5V to 18V
85
115
CS Threshold Voltage
VCS = VOUT = GND
80
150
mV
VCS = VOUT = 2.5V to 18V
0
25
CS Input Current
VCS = VOUT = GND
-25
0
A
SHDN, 3/5 Logic-High Threshold
VIN = 4.5V to 36V
2.4
V
SHDN, 3/5 Logic-Low Threshold
VIN = 4.5V to 36V
0.4
V
3/5 Input Current
SHDN = GND
±1A
3/5 = GND
±1
SHDN Input Current
SHDN = 36V
12
A
EXT Resistance
20
Minimum EXT Off-Time
1.5
2.5
s
Minimum EXT On-Time
0.7
1.5
s
Reference Voltage
IREF = 0
1.22
1.28
V
REF Load Regulation
0
≤ IREF ≤ 100A
10
mV
REF Line Regulation
VIN = 4.5V to 36V, IREF = 0
60
V/V
相關PDF資料 |
PDF描述 |
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| MAX1745EUB+T | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1744AUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1744EUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1745AUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1745EUB/V+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1745EUB | 功能描述:DC/DC 開關控制器 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 |
| MAX1745EUB | 制造商:Maxim Integrated Products 功能描述:HI VOLT STEP DOWN DC-DC SMD 1745 |
| MAX1745EUB/V+ | 功能描述:DC/DC 開關控制器 High-Voltage Step-Down DC-DC Controller in MAX 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 |
| MAX1745EUB/V+T | 功能描述:DC/DC 開關控制器 High-Voltage Step-Down DC-DC Controller in MAX 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 |
| MAX1745EUB+ | 功能描述:DC/DC 開關控制器 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 |
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