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| 型号： | MAX1818EUT25#T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V/ADJ .5A SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 2.5V，1.25 V ~ 5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.21V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
19-1860; Rev 2; 6/08
500mA Low-Dropout
Linear Regulator in SOT23
General Description
The MAX1818 low-dropout linear regulator operates
from a +2.5V to +5.5V supply and delivers a guaran-
teed 500mA load current with low 120mV dropout. The
high-accuracy (±1%) output voltage is preset at an
internally trimmed voltage (see Selector Guide) or can
be adjusted from 1.25V to 5.0V with an external resis-
tive divider.
An internal PMOS pass transistor allows the low 125μA
supply current to remain independent of load, making
this device ideal for portable battery-operated equip-
ment such as personal digital assistants (PDAs), cellu-
lar phones, cordless phones, base stations, and
notebook computers.
Other features include an active-low open-drain reset
output that indicates when the output is out of regula-
tion, a 0.1μA shutdown, short-circuit protection, and
thermal shutdown protection. The device is available in
a miniature 800mW 6-pin SOT23 package.
Applications
Features
? Guaranteed 500mA Output Current
? Low 120mV Dropout at 500mA
? ±1% Output Voltage Accuracy
Preset at 1.5V, 1.8V, 2.0V, 2.5V, 3.3V, 5V
Adjustable from 1.25V to 5.0V
? Power OK Output
? Low 125 μ A Ground Current
? 0.1 μ A Shutdown Current
? Thermal Overload Protection
? Output Current Limit
? Tiny 800mW 6-Pin SOT23 Package
Ordering Information
Notebook Computers
Cellular and Cordless Telephones
Personal Digital Assistants (PDAs)
PART*
MAX1818EUT_ _-T
MAX1818EUT_ _#T
TEMP RANGE
-40 ° C to +85 ° C
-40 ° C to +85 ° C
PIN-PACKAGE
6 SOT23
6 SOT23
Palmtop Computers
Base Stations
USB Hubs
Docking Stations
Pin Configuration
*Insert the desired two-digit suffix (see Selector Guide) into the
blanks to complete the part number.
Note : The MAX1818 requires a special solder temperature
profile described in the Absolute Maximum Ratings section.
T = Tape and reel.
#Denotes an RoHS-compliant package.
Selector Guide appears at end of data sheet.
Typical Operating Circuit
TOP VIEW
V IN = 2.5V TO 5.5V
IN
NC
OUT
V OUT
IN 1
6
OUT
C IN
1 μ F
C OUT
3.3 μ F
POK 2
MAX1818
5
SET
MAX1818
R POK
100k
SHDN 3
4
GND
ON
OFF
SHDN
POK
TO
μ C
SOT23
SET
GND
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim 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 |
|---|---|
| MAX1818EUT33 | 制造商:Maxim Integrated Products 功能描述:100MA LOW DROPOUT LINEAR REGULATOR IN HIGH PO - Bulk |
| MAX1818EUT33#G16 | 制造商:Maxim Integrated Products 功能描述:LDO REG 1.25V TO 5V/3.3V 0.5A 6PIN SOT-23 - Bulk |
| MAX1818EUT33#TG16 | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX1818EUT33+ | 制造商:Maxim Integrated Products 功能描述:500MA, LOW-DROPOUT LINEAR REGULATOR IN SOT23 - Bulk |
| MAX1818EUT33+T | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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