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参数资料
| 型号： | MAX1745AUB+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 330kHz |
| 占空比： | 100% |
| 电源电压： | 4.5 V ~ 36 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 ~ 125°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
High-Voltage, Step-Down DC-DC
Controllers in μMAX
ELECTRICAL CHARACTERISTICS
(VIN = V SHDN = 5.5V to 36V, 3/5 = GND, ILOAD = 0, TA = -40°C to +125°C , unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
Input Voltage Range
Supply Current into IN
Shutdown Supply Current
V SHDN = V IN = 5.5V to 36V
SHDN = GND
4.5
36
140
15
V
μA
μA
Output Voltage (MAX1744)
OUT Input Current (MAX1744)
FB Threshold Voltage (MAX1745)
FB Input Current (MAX1745)
VH Output Voltage with Respect to IN
VL Output Voltage
VL Undervoltage Lockout
CS Threshold Voltage
CS Input Current
3/5 = VL
3/5 = GND
3/5 = VL, V OUT = 5V
Falling edge, hysteresis = 8mV
V IN = 5.5V to 36V, I VH = 100μA to 20mA
V IN = 5.5V to 36V, I VL = 100μA to 2mA
V CS = V OUT = 2.5V to 18V
V CS = V OUT = V GND
V CS = V OUT = 2.5V to 18V
V CS = V OUT = V GND
4.85
3.20
1.22
-50
-6.0V
4.5
1.6
85
80
0
-25
5.15
3.40
44
1.28
50
-4.3V
5.5
4.1
115
150
25
0
V
μA
V
nA
V
V
V
mV
μA
SHDN , 3/5 Logic-High Threshold
SHDN , 3/5 Logic-Low Threshold
3/5 Input Current
SHDN Input Current
EXT Resistance
V IN = 4.5V to 36V
V IN = 4.5V to 36V
SHDN = GND
3/5 = GND
V SHDN = 36V
2.4
0.4
± 1
± 1
12
20
V
V
μA
μA
Ω
Minimum EXT Off-Time
Minimum EXT On-Time
1.5
0.7
2.5
1.5
μs
μs
Reference Voltage
REF Load Regulation
REF Line Regulation
I REF = 0
0 ≤ I REF ≤ 100μA
V IN = 4.5V to 36V, I REF = 0
1.22
1.28
10
80
V
mV
μV/V
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1745AUB+ | 功能描述:DC/DC 开关控制器 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 |
| MAX1745AUB+T | 功能描述:DC/DC 开关控制器 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 |
| MAX1745AUB-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 |
| MAX1745EUB | 功能描述:DC/DC 开关控制器 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 |
| MAX1745EUB | 制造商:Maxim Integrated Products 功能描述:HI VOLT STEP DOWN DC-DC SMD 1745 |
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