参数资料
| 型号： | MAX1935ETA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A 8TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.8 V ~ 4.5 V |
| 输入电压： | 2.25 V ~ 5.5 V |
| 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： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX1935ETA+TDKR |
19-2599; Rev 0; 10/02
500mA, Low-Voltage Linear Regulator
in Tiny QFN
General Description
The MAX1935 low-dropout linear regulator operates
from a 2.25V to 5.5V supply and delivers a guaranteed
500mA load current with low 175mV dropout. The high-
accuracy (±1.5%) output voltage is preset at an inter-
nally trimmed voltage or can be adjusted from 0.8V to
4.5V with an external resistive-divider.
An internal PMOS pass transistor allows low 210μA
supply current, making this device ideal for portable
equipment such as personal digital assistants (PDAs),
cellular phones, cordless phones, and other equip-
ment, including base stations and docking stations.
Other features include an active-low, power-OK output
that indicates when the output is out of regulation, a
0.02μA shutdown mode, short-circuit protection, and
thermal-shutdown protection. The MAX1935 comes in a
Features
o Guaranteed 500mA Output Current
o Output Down to 0.8V
o Low 175mV Dropout at 500mA
o ±1.5% Output Voltage Accuracy
Preset at 1.5V
Adjustable from 0.8V to 4.5V
o Power-OK Output
o Low 210μA Ground Current
o 0.02μA Shutdown Current
o Thermal-Overload Protection
o Output Current Limit
o Tiny 1.9W, 8-Pin 3mm x 3mm Thin QFN Package
tiny 1.9W, 8-pin 3mm x 3mm thin QFN package.
Ordering Information
Notebook Computers
Applications
PART
MAX1935ETA*
TEMP RANGE
-40 ° C to +85 ° C
PIN-PACKAGE
8 Thin QFN
3mm x 3mm
Cellular and Cordless Telephones
PDAs
MAX1935ETA15*
-40 ° C to +85 ° C
8 Thin QFN
3mm x 3mm
Palmtop Computers
Base Stations
USB Hubs
* Contact factory for preset output voltages.
Selector Guide
Docking Stations
PART
MAX1935ETA
MAX1935ETA15
OUTPUT
VOLTAGE
Adjustable
1.5V
TOP MARK
ADB
ADB
Typical Operating Circuit
Pin Configuration
R POK
100k ?
POK
OUT
V OUT
0.8V TO 4.5V
TOP VIEW
TO μ C
V IN
2.25V TO 5.5V
IN
MAX1935
SET
C OUT
10 μ F
R 1
IN
IN
POK
1
2
3
MAX1935
8
7
6
OUT
OUT
SET
ON
C IN
1 μ F
SHDN
GND
R 2
SHDN
4
THIN QFN
3mm x 3mm
5
GND
OFF
________________________________________________________________ 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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| MAX1937EEI | 功能描述:开关变换器、稳压器与控制器 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MAX1937EEI+ | 功能描述:DC/DC 开关控制器 2-Phase Desktop CPU Core Supply Ctlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1937EEI+T | 功能描述:DC/DC 开关控制器 2-Phase Desktop CPU Core Supply Ctlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1937EEI-T | 功能描述:开关变换器、稳压器与控制器 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MAX1937EEI-TG069 | 制造商:Maxim Integrated Products 功能描述: |
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