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參數(shù)資料
| 型號： | MAX748A |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous 4-Bit Up/Down Binary Counters 20-LCCC -55 to 125 |
| 中文描述： | 3.3V、降壓型、電流模式PWM DC-DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大小： | 135K |
| 代理商： | MAX748A |
M
3.3V, S tep-Down,
Current-Mode PWM DC-DC Converters
2
________________________________________________________________________________________________
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
(Circuit of Figure 3, V+ = 5V, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
CONDITIONS
MAX748A
TYP
MAX763A
TYP
UNITS
MIN
3.3
MAX
16.0
MIN
3.3
MAX
11.0
Input Voltage Range
V
C/E temp. ranges,
V+ = 4.0V to 16V,
0mA < I
LOAD
< 300mA
M temp. range,
V+ = 4.0V to 16V,
0mA < I
LOAD
< 250mA
C/E temp. ranges,
V+ = 4.75V to 16V,
0mA < I
LOAD
< 500mA
M temp. range,
V+ = 4.75V to 16V,
0mA < I
LOAD
< 400mA
C/E temp. ranges,
V+ = 4.0V to 11V,
0mA < I
LOAD
< 300mA
M temp. range,
V+ = 4.0V to 11V,
0mA < I
LOAD
< 250mA
C/E temp. ranges,
V+ = 4.75V to 11V,
0mA < I
LOAD
< 500mA
M temp. range,
V+ = 4.75V to 11V,
0mA < I
LOAD
< 400mA
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
Output Voltage
V
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
Line Regulation
Load Regulation
0.13
0.001
0.13
0.001
%/V
%/mA
I
LOAD
= 0mA to 500mA
ABSOLUTE MAXIMUM RATINGS
Pin Voltages:
V+ (MAX748A)......................................................+17V, -0.3V
V+ (MAX763A)......................................................+12V, -0.3V
LX (MAX748A) .................................(V+ - 21V) to (V+ + 0.3V)
LX (MAX763A) .................................(V+ - 12V) to (V+ + 0.3V)
OUT.................................................................................±25V
SS, CC,
SHDN
..........................................-0.3V to (V+ + 0.3V)
Peak Switch Current (I
LX
) .....................................................2.0A
Reference Current (I
) ...................................................2.5mA
Continuous Power Dissipation (T
= +70°C)
8-Pin Plastic DIP (derate 6.90mW/°C above +70°C)...552mW
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C)....762mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C).......640mW
Operating Temperature Ranges:
MAX7__AC__ ....................................................0°C to +70°C
MAX7__AE__ .................................................-40°C to +85°C
MAX7__AMJ A__ ..........................................-55°C to +125°C
J unction Temperatures:
MAX7__AC/E ..............................................................+150°C
MAX7__AM.................................................................+175°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10sec) ............................+300°C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX748AEWE | Circular Connector; No. of Contacts:26; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:17-26 RoHS Compliant: No |
| MAX763ACPA | 3.3V, Step-Down, Current-Mode PWM DC-DC Converters |
| MAX763ACSA | 3.3V, Step-Down, Current-Mode PWM DC-DC Converters |
| MAX763AEPA | 3.3V, Step-Down, Current-Mode PWM DC-DC Converters |
| MAX763AESA | 3.3V, Step-Down, Current-Mode PWM DC-DC Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX748AC/D | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.7mA Quiescent Current-Mode PWM DC-DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX748AC/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX748ACPA | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX748ACPA+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX748ACWE | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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