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参数资料
| 型号： | MAX1837 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
| 中文描述： | 24V内置开关、100%占空比、降压型转换器 |
| 文件页数： | 5/13页 |
| 文件大小： | 394K |
| 代理商： | MAX1837 |
M
24V Internal Switch, 100% Duty Cycle,
Step-Down Converters
_______________________________________________________________________________________
5
70
80
75
90
85
95
100
0
4
8
12
16
20
24
MAX1837EUT33
EFFICIENCY vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
E
I
OUT
= 10mA
I
OUT
= 200mA
FIGURE 2
V
= 3.3V
L1 = 47
μ
H
100
1
0
8
12
10
INPUT VOLTAGE (V)
F
4
MAX1837EUT33
SWITCHING FREQUENCY vs. INPUT VOLTAGE
16
24
20
M
I
OUT
= 200mA
I
OUT
= 10mA
FIGURE 2
V
OUT
= 3.3V
L1 = 47
μ
H
0
200
600
400
800
1000
0
4
8
12
16
20
24
MAX1837EUT33
PEAK INDUCTOR CURRENT vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
P
I
OUT
= 10mA
I
OUT
= 200mA
FIGURE 2
V
OUT
= 3.3V
L1 = 47
μ
H
LIMITED BY
ON(MIN)
LIMITED BY
LIM
4.96
4.98
5.00
5.02
5.04
0
100
LOAD CURRENT (mA)
50
150
200
250
300
MAX1837EUT50
OUTPUT VOLTAGE vs. LOAD CURRENT
M
O
V
IN
= 12V TO 24V
V
IN
= 7V
V
IN
= 9V
FIGURE 6
100
95
90
85
80
70
0.1
10
100
1
1000
MAX1837EUT50
EFFICIENCY vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
75
V
IN
= 9V
V
IN
= 24V
V
IN
= 18V
V
IN
= 7V
FIGURE 6
V
OUT
= 5V
V
IN
= 12V
200
250
300
350
400
0
100
LOAD CURRENT (mA)
200
300
MAX1837EUT50
DROPOUT VOLTAGE vs. LOAD CURRENT
M
D
0
50
100
150
FIGURE 6
V
OUT
= 5V
10
11
12
13
14
15
0
4
8
12
16
20
24
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
μ
A
Typical Operating Characteristics (continued)
(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), V
IN
= 12V,
SHDN
= IN, T
A
= +25
°
C.)
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1836EUT33-T | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
| MAX1837EUT33-T | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
| MAX1836 | Replaced by TMS320BC52 : Digital Signal Processors 100-LQFP |
| MAX1837EUT50 | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
| MAX1837EUT50-T | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1837ESA33 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1837ETT33+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 6TDFN EP - Rail/Tube |
| MAX1837ETT33+T | 功能描述:直流/直流开关转换器 24V 100% Duty Cycle 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 |
| MAX1837ETT50+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 6TDFN EP - Rail/Tube |
| MAX1837ETT50+T | 功能描述:直流/直流开关转换器 24V 100% Duty Cycle 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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