參數(shù)資料
型號： MAX738A
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)： 4/16頁
文件大小： 229K
代理商： MAX738A
100
90
80
60
0
200
600
800
1000
OUTPUT CURRENT (mA)
MAXIMUM OUTPUT CURRENT vs.
SUPPLY VOLTAGE
E
MAX730A
EFFICIENCY vs. OUTPUT CURRENT
70
400
V+ = 5.5V
V+ = 7V
V+ = 9V
V+ = 11V
(NOTES 3, 6)
100
90
80
60
0
200
600
800
1000
OUTPUT CURRENT (mA)
MAXIMUM OUTPUT CURRENT vs.
SUPPLY VOLTAGE, NOR1
E
MAX738A
EFFICIENCY vs. OUTPUT CURRENT
70
400
V+ = 6V
V+ = 8V
V+ = 12V
V+ = 16V
(NOTES 3, 6)
2.5
2.0
1.5
0
0
2
6
8
10
Q
MAX738A/MAX744A
QUIESCENT SUPPLY CURRENT
vs. SUPPLY VOLTAGE
0.5
4
1.0
12
14
16
UNDERVOLTAGE
LOCKOUT HYSTERESIS
UNDERVOLTAGE
LOCKOUT ENABLED
1000
800
600
0
0
100
300 400 500
P
MAX738A/MAX744A
PEAK INDUCTOR CURRENT
vs. OUTPUT CURRENT
200
200
400
600 700 800
L1 = 100
μ
H
C4 = 150
μ
F
V+ = 6.6V
V+ = 8.0V TO16.0V
M
5V, S tep-Down,
Current-Mode PWM DC-DC Converters
4
_______________________________________________________________________________________
__________________________________________Typic al Operating Charac teristic s
(Circuit of Figure 3, T
A
= +25°C, unless otherwise noted.)
100
90
80
60
0
200
600
800
1000
OUTPUT CURRENT (mA)
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
E
MAX744A
EFFICIENCY vs. OUTPUT CURRENT
70
400
V+ = 6.0V
V+ = 9.0V
V+ = 12.0V
V+ = 16.0V
(NOTE 3)
-60
0
60 80 100
S
μ
A
STANDBY SUPPLY CURRENT
vs. TEMPERATURE
16
10
8
6
2
18
14
12
4
0
-40 -20
20 40
120140 160
V+ = 16V
MAX738A/MAX744A
ONLY
V+ = 9V
V+ = 6V
(NOTES 4, 5)
20
V+ = 12V
MAX738A/MAX744A
ONLY
3.0
2.5
1.5
1.0
0.5
-60
20 40
TEMPERATURE (°C)
80
120
Q
2.0
0
-40 -20 0
60
100
140160
MAX730A, V+ = 9.0V
MAX738A, V+ = 12.0V
MAX744A, V+ = 12.0V
(NOTES 4, 5)
1400
1000
4
8
10
12
14
SUPPLY VOLTAGE (V)
M
1200
800
6
16
MAX738A
MAX730A
MAX744A
(NOTES 3, 6)
1400
1000
800
4
8
10
12
14
SUPPLY VOLTAGE (V)
M
1200
6
16
600
400
200
(NOTES 3, 6)
MAX738A
MAX730A
MAX744A
相關(guān)PDF資料
PDF描述
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
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX738AC/D 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DICE SALES DICE 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
MAX738AC/D DIE 制造商:Maxim Integrated Products 功能描述:
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
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
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*