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参数资料
| 型号： | MAX1837EUT50 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
| 中文描述： | 0.9 A SWITCHING REGULATOR, PDSO6 |
| 封装： | MO-178AB, SOT-23, 6 PIN |
| 文件页数： | 3/13页 |
| 文件大小： | 394K |
| 代理商： | MAX1837EUT50 |
M
24V Internal Switch, 100% Duty Cycle,
Step-Down Converters
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
30
MAX
UNITS
μs
μA
mV
%
Zero-Crossing Timeout
LX Switch Leakage Current
Dropout Voltage
Line Regulation
LX does not rise above the threshold
V
IN
= 18V, LX = GND, T
A
= +25
°
C
I
OUT
= 100mA, V
IN
= 5V
V
IN
= 5V to 24V
I
OUT
= 0 to 125mA (MAX1836) or 250mA
(MAX1837)
1
V
DROPOUT
120
0.05
Load Regulation
0.3
%
Shutdown Input Threshold
Shutdown Leakage Current
Thermal Shutdown
V
SHDN
I
SHDN
V
IN
= 4.5V to 24V (Note 3)
V
SHDN
= 0 or 24V
10
°
C hysteresis (typ)
0.8
-1
2.4
+1
V
μA
°
C
160
ELECTRICAL CHARACTERISTICS (continued)
(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), V
IN
= 12V,
SHDN
= IN,
T
A
= 0
°
C to +85
°
C
. Typical values are at T
A
= +25
°
C,
unless otherwise noted.)
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
4.5
3.55
3.45
TYP
MAX
24
4.4
4.3
25
7
UNITS
V
Input Supply Range
V
IN
rising
V
IN
falling
Input Undervoltage Lockout
Threshold
V
UVLO
V
Input Supply Current
Input Shutdown Current
I
IN
μA
μA
SHDN
= GND
MAX183_EUT50
4.80
5.20
Output Voltage (Preset Mode)
V
OUT
FB = GND,
I
LOAD
= 0 to 125mA
(MAX1836) or
250mA (MAX1837)
MAX183_EUT33
3.168
3.432
V
Output Voltage Range
(Adjustable Mode)
V
OUT
(Note 2)
1.25
V
IN
V
Feedback Set Voltage
(Adjustable Mode)
V
FB
1.200
1.300
V
OUT Bias Current
FB Dual Mode Threshold
LX Switch Minimum Off-Time
LX Switch Maximum On-Time
LX Switch On-Resistance
V
OUT
= 5V
V
FB
rising or falling
7.4
150
0.6
13
2
450
900
μA
mV
μs
μs
50
0.2
7
t
OFF( M N)
t
ON M AX
R
LX
V
FB
= 1.3V
V
IN
= 6V
MAX1836
MAX1837
250
500
LX Current Limit
I
LIM
mA
ELECTRICAL CHARACTERISTICS
(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), V
IN
= 12V,
SHDN
= IN,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 4)
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1837EUT50-T | 24V Internal Switch, 100% Duty Cycle, Step-Down Converters |
| MAX1836EUT33 | COIL 330UH 240MA CHOKE SMD |
| MAX1836EUT50 | COIL 39UH 650MA CHOKE SMD |
| MAX1836EUT50-T | COIL 390UH 210MA CHOKE SMD |
| MAX1837EUT33 | CHOKE COIL 100UH 600MA SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1837EUT50#G16 | 制造商:Maxim Integrated Products 功能描述: |
| MAX1837EUT50#TG16 | 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 |
| MAX1837EUT50+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX1837EUT50+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 |
| MAX1837EUT50-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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