參數(shù)資料
型號(hào)： MAX1935
廠商： Maxim Integrated Products, Inc.
英文描述： 500mA, Low-Voltage Linear Regulator in Tiny QFN
中文描述： 500mA、低電壓、線性穩(wěn)壓器，微型QFN封裝
文件頁(yè)數(shù)： 1/10頁(yè)
文件大?。?/td> 245K
代理商： MAX1935
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
tiny 1.9W, 8-pin 3mm x 3mm thin QFN package.
Applications
Notebook Computers
Cellular and Cordless Telephones
PDAs
Palmtop Computers
Base Stations
USB Hubs
Docking Stations
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
M
500mA, Low-Voltage Linear Regulator
in Tiny QFN
________________________________________________________________
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
1
2
3
4
8
7
6
5
OUT
OUT
SET
GND
SHDN
POK
IN
IN
MAX1935
THIN QFN
3mm x 3mm
TOP VIEW
Pin Configuration
Ordering Information
OUT
SET
GND
IN
SHDN
POK
C
OUT
10
μ
F
V
0.8V TO 4.5V
C
IN
1
μ
F
ON
OFF
R
2
MAX1935
R
1
TO
μ
C
R
POK
100k
V
IN
2.25V TO 5.5V
Typical Operating Circuit
19-2599; Rev 0; 10/02
PART
T EM P R A N G E
PIN-PACKAGE
MAX1935ETA*
-40
°
C to +85
°
C
8 Thin QFN
3mm x 3mm
MAX1935ETA15*
-40
°
C to +85
°
C
8 Thin QFN
3mm x 3mm
Selector Guide
PART
O U T PU T
VO L T A G E
TOP MARK
MAX1935ETA
MAX1935ETA15
Adjustable
1.5V
ADB
ADB
*
Contact factory for preset output voltages.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1935ETA 制造商:Maxim Integrated Products 功能描述:500MA LOW VOLTAGE LINEAR REGULATOR IN TINY QF - Bulk
MAX1935ETA+ 制造商:Maxim Integrated Products 功能描述:LDO REG 0.8V TO 4.5V 0.5A 8TDFN EP - Rail/Tube
MAX1935ETA+T 功能描述:低壓差穩(wěn)壓器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX1935ETA15 制造商:Maxim Integrated Products 功能描述:500MA LOW VOLTAGE LINEAR REGULATOR IN TINY QF - Rail/Tube
MAX1935ETA15+ 制造商:Maxim Integrated Products 功能描述:REG LDO LIN FIX POS 1.5V 0.5A 8TDFN EP - Rail/Tube
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