參數(shù)資料
型號: MAX744A
廠商: Maxim Integrated Products, Inc.
元件分類: DC/DC變換器
英文描述: 5V, Step-Down, Current-Mode PWM DC-DC Converters
中文描述: 5V、降壓型、電流模式PWM DC-DC轉(zhuǎn)換器
文件頁數(shù): 14/16頁
文件大?。?/td> 229K
代理商: MAX744A
M
5V, S tep-Down,
Current-Mode PWM DC-DC Converters
14
______________________________________________________________________________________
1
2
3
4
8
7
6
5
V+
LX
GND
OUT
CC
SS
REF
SHDN
SO
MAX730A
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V+
V+
LX
LX
N.C.
REF
V+
MAX738A
MAX744A
LX
GND
GND
OUT
CC
SS
N.C.
N.C.
Wide SO
SHDN
____Pin Configurations (c ontinued)
__Ordering Information (continued)
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
PIN-PACKAGE
8 Plastic DIP
16 Wide SO
Dice*
8 Plastic DIP
16 Wide SO
8 CERDIP
8 Plastic DIP
16 Wide SO
Dice*
8 Plastic DIP
16 Wide SO
8 CERDIP
MAX738A
CPA
MAX738ACWE
MAX738AC/D
MAX738AEPA
MAX738AEWE
MAX738AMJ A
MAX744A
CPA
MAX744ACWE
MAX744AC/D
MAX744AEPA
MAX744AEWE
MAX744AMJ A
*Contact factory for dice specifications.
__________________________________________________________Chip Topographies
LX
GND
REF
SS
SHDN
V+
OUT
CC
0.131"
(3.327mm)
0.116"
(2.946mm)
LX
GND
REF
SS
SHDN
V+
OUT
CC
0.116"
(2.946mm)
0.072"
(1.828mm)
MAX730A
MAX738A/MAX744A
TRANSISTOR C OUNT: 274 (MAX730A)
286 (MAX738A/MAX744A);
SUBSTRATE C ONNEC TED TO V+.
相關(guān)PDF資料
PDF描述
MAX738AEWE LJT 37C 37#22D SKT PLUG
MAX744AEWE Circular Connector; No. of Contacts:26; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:17-26 RoHS Compliant: No
MAX738ACWE Replaced by SN54197 : 50/30/100-Mhz Presettable Decade OR Binary Counters/Latches 14-CFP -55 to 125
MAX738AEPA Dual 4-Input Positive-NAND Gates 20-LCCC -55 to 125
MAX738AMJA Dual 4-Input Positive-NAND Gates 14-CDIP -55 to 125
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX744AC/D 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5V Step-Down 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
MAX744ACPA 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 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
MAX744ACPA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5V 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
MAX744ACWE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5V 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
MAX744ACWE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5V 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