參數(shù)資料
型號: MAX738ACPA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Replaced by SN54197 : 50/30/100-Mhz Presettable Decade OR Binary Counters/Latches 14-CDIP -55 to 125
中文描述: 2 A SWITCHING REGULATOR, 190 kHz SWITCHING FREQ-MAX, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 12/16頁
文件大?。?/td> 229K
代理商: MAX738ACPA
M
5V, S tep-Down,
Current-Mode PWM DC-DC Converters
12
______________________________________________________________________________________
C1
1.23V
1M
±35%
SS
R1
510k
SS CLAMP
FROM SHDN
MAX730A
MAX738A
MAX744A
Figure 2. Block Diagram of Soft-Start Circuitry
MAX730A
MAX738A
MAX744A
SHDN
V+
1
SS
3
GND
REF
6
2
C6
0.01
μ
F
CC
OUT
4
5
LX
7
D1
1N5817
L1
*
OUTPUT
+5V
C4
*
C5
330pF
C3
*
C2
1
μ
F
8
R1
510k
C1
0.1
μ
F
*
SEE TABLE 2 FOR COMPONENT VALUES AND SUPPLIERS.
PART
MAX730A
MAX738A
MAX744A
INPUT SUPPLY RANGE (V)
6.0 to 11.0
6.0 to 16.0
10.2 to 16.0
6.0 to 9.0
9.0 to 16.0
GUARANTEED OUTPUT CURRENT AT 5V (mA)
450
450
750
500
750
NOTE:
PIN NUMBERS REFER TO8-PIN PACKAGES.
C7
2.2
μ
F
OUTPUT
L2
25
μ
H
FILTER
OUTPUT
MAX730A +5.2V TO+11.0V
MAX738A/MAX744A +6.0V TO+16.0V
OPTIONAL LOWPASS OUTPUT FILTER
Figure 3. Standard +5V Step-Down Application Circuit
相關(guān)PDF資料
PDF描述
MAX730 5V, Step-Down, Current-Mode PWM DC-DC Converters
MAX738A 5V, Step-Down, Current-Mode PWM DC-DC Converters
MAX744A 5V, Step-Down, Current-Mode PWM DC-DC Converters
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX738ACPA+ 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
MAX738ACWE 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
MAX738ACWE+ 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
MAX738ACWE+T 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
MAX738ACWE-T 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