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| 型号： | MAX1836EUT50#TG16 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V 125MA SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 4.5 V ~ 24 V |
| 电流 - 输出： | 125mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-6 |
| 其它名称： | MAX1836EUT50#TG16DKR |
19-1919; Rev 3; 7/06
24V Internal Switch, 100% Duty Cycle,
Step-Down Converters
General Description
The MAX1836/MAX1837 high-efficiency step-down
converters provide a preset 3.3V or 5V output voltage
from supply voltages as high as 24V. Using external
feedback resistors, the output voltage may be adjusted
from 1.25V to V IN . An internal current-limited switching
MOSFET delivers load currents up to 125mA
(MAX1836) or 250mA (MAX1837).
The unique current-limited control scheme, operating
with duty cycles up to 100%, minimizes the dropout
voltage (120mV at 100mA). Additionally, this control
scheme reduces supply current under light loads to
12μA. High switching frequencies allow the use of tiny
surface-mount inductors and output capacitors.
The MAX1836/MAX1837 step-down converters with
internal switching MOSFETs are available in 6-pin
SOT23 and 3mm x 3mm TDFN packages, making them
ideal for low-cost, low-power, space-sensitive applica-
____________________________Features
? 4.5V to 24V Input Voltage Range
? Preset 3.3V or 5V Output
? Adjustable Output from 1.25V to V IN
? Output Currents Up to 125mA (MAX1836) or
250mA (MAX1837)
? Efficiency Over 90%
? 12μA Quiescent Current
? 3μA Shutdown Current
? 100% Maximum Duty Cycle for Low Dropout
? Small 6-Pin SOT23 and TDFN Packages
Ordering Information
tions. For increased output drive capability, use the
MAX1776 step-down converter that uses an internal
24V switch to deliver up to 500mA. For even higher cur-
rents, use the MAX1626/ MAX1627 step-down con-
trollers that drive an external P-channel MOSFET to
PART
MAX1836 ETT33-T
MAX1836ETT50-T
TEMP RANGE
-40 ° C to +85 ° C
-40 ° C to +85 ° C
PIN-
PACKAGE
6 TDFN-EP*
6 TDFN-EP*
TOP
MARK
AJG
AJE
deliver up to 20W.
9V Battery Systems
Notebook Computers
Distributed Power Systems
Backup Supplies
Applications
MAX1836EUT33-T
MAX1836EUT50-T
MAX1837 ETT33-T
MAX1837ETT50-T
MAX1837EUT33-T
MAX1837EUT50-T
-40 ° C to +85 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
6 SOT23-6
6 SOT23-6
6 TDFN-EP*
6 TDFN-EP*
6 SOT23-6
6 SOT23-6
AANY
AANW
AJH
AJF
AANZ
AANX
4mA to 20mA Loop Power Supplies
Industrial Control Supplies
Handheld Devices
Typical Operating Circuit
* EP = Exposed pad.
Selector Guide appears at end of data sheet.
Pin Configurations
INPUT
4.5V TO 24V
IN
LX
OUTPUT
3.3V OR 5V
TOP VIEW
SHDN
FB 1
6
OUT
FB 1
6
OUT
MAX1836
OUT
GND 2
MAX1836
MAX1837
5
SHDN
GND 2
MAX1836
MAX1837
5
SHDN
MAX1837
IN 3
4
LX
GND
FB
IN 3
4
LX
TDFN
NOTE: HIGH-CURRENT PATHS SHOWN WITH BOLD LINES.
SOT23
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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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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