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参数资料
| 型号： | MAX1775EEE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 16-QSOP |
| 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： | 2 |
| 频率 - 最大： | 1.25MHz |
| 占空比： | 100% |
| 电源电压： | 2.7 V ~ 28 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： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
Dual-Output Step-Down
DC-DC Converter for PDA/Palmtop Computers
ABSOLUTE MAXIMUM RATINGS
IN, SHDNM , CVH to GND.......................................-0.3V to +30V
IN to CVH, PDRV ......................................................-0.3V to +6V
PDRV to GND..................................(V CVH - 0.3V) to (V IN + 0.3V)
PGND to GND .......................................................-0.3V to +0.3V
All Other Pins to GND...............................................-0.3V to +6V
Continuous Power Dissipation
16-Pin QSOP (derate 7.1mW/°C above +70°C)..........571mW
Operating Temperature .......................................-40°C to +85°C
Storage Temperature.........................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Core Output Short Circuit...........................................Continuous
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 IN = +12V, V MAIN = V INC = V CS- = V CS+ = +3.3V, V CORE = +1.8V, Circuit of Figure 4, T A = 0°C to +85°C, unless otherwise noted.
Typical values are at T A = +25°C.)
PARAMETER
Input Voltage
Input Quiescent Supply Current
CS- Quiescent Supply Current
Core Regulator Quiescent
Supply Current
IN Shutdown Supply Current
SYMBOL
V IN
I IN
I CS -
I INC
CONDITIONS
V FBM = +1.5V, V FBC = +1.5V,
V SHDNM = V SHDNC = +3.3V
V FBM = +1.5V, V FBC = +1.5V,
V SHDNM = V SHDNC = +3.3V
V FBM = +1.5V, V FBC = +1.5V,
V SHDNM = V SHDNC = +3.3V
SHDNM = SHDNC = GND
MIN
2.7
TYP
15
110
60
5
MAX
28
30
220
120
30
UNITS
V
μA
μA
μA
μA
MAIN REGULATOR
Main Output Voltage Adjust
Range
1.25
5.5
V
FBM Regulation Threshold
FBM Input Current
Current-Limit Threshold
Minimum Current-Limit
Threshold
Valley Current Threshold
Zero Current Threshold
PDRV, NDRV Gate Drive
Resistance
CS- to CVL Switch Resistance
V FBM
I FBM
V CLM
V MIN
V VALLEY
V ZERO
V (CS+ - CS-) = 0 to +60mV, V IN = +2.7V to +28V
V FBM = +1.3V
V CS+ - V CS-
V CS+ - V CS -
V CS+ - V CS -
V CS+ - V CS -
V CS - = +3.3V, I LOAD = 50mA
I CVL = 50mA
1.21
-0.1
60
6
40
0
1.25
80
15
50
2
4.5
1.29
0.1
100
24
60
15
4.4
8
V
μA
mV
mV
mV
mV
?
?
PDRV, NDRV Dead Time
Maximum Duty Cycle
100
50
ns
%
Minimum On-Time
Minimum Off-Time
200
200
400
400
650
650
ns
ns
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1775EEE+ | 功能描述:直流/直流开关转换器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1775EEE+T | 功能描述:直流/直流开关转换器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1775EEE-T | 功能描述:直流/直流开关转换器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1775EEE-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1775EVKIT | 功能描述:直流/直流开关转换器 Evaluation Kit for the MAX1775 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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