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參數資料
| 型號： | MAX8559ETAJ2 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO8 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO229/WEEC, TDFN-8 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 266K |
| 代理商： | MAX8559ETAJ2 |
General Description
The MAX8559 dual, low-noise, low-dropout (LDO) linear
regulator operates from a 2.5V to 6.5V input voltage
and delivers at least 300mA of continuous output cur-
rent. It offers low output noise and low dropout of only
60mV at 100mA. Typical output noise for this device is
32μV
RMS
, and PSRR is 70dB at 10kHz. Designed with
an internal P-channel MOSFET pass transistor, the
MAX8559 maintains a low 115μA supply current per
LDO, independent of the load current and dropout volt-
age. Other features include short-circuit protection and
thermal-shutdown protection. The MAX8559 includes
two independent logic-controlled shutdown inputs and
is capable of operating without a bypass capacitor to
further reduce total solution size. The MAX8559 is avail-
able in a miniature 8-bump UCSP (2mm x 1mm) or
8-pin TDFN (3mm x 3mm) package.
Applications
Cellular and Cordless Phones
PDAs and Palmtop Computers
Notebook Computers
Digital Cameras
PCMCIA Cards
Wireless LAN Cards
Hand-Held Instruments
Features
Two Low-Dropout-Voltage Regulators
Low 32μV
RMS
Output Noise
300mA Output Current for Each LDO
70dB PSRR at 10kHz
Independent Shutdown Controls
Low 60mV Dropout at 100mA Load
115μA Operating Supply Current per LDO
1.5V to 3.3V Factory-Preset Output
Small Ceramic Output Capacitors
Output Current Limit
Thermal-Overload and Short-Circuit Protection
1.95W Power-Dissipation Capability (TDFN)
2mm
2
Footprint (UCSP)
M
Dual, 300mA, Low-Noise Linear Regulator
with Independent Shutdown in UCSP or TDFN
________________________________________________________________
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
Ordering Information
ON
OFF
ON
OFF
MAX8559
INPUT
2.5V TO 6.5V
2.2
μ
F
min
INB
SHDNA
SHDNB
INA
GND
OUTB
OUTA
BP
0.01
μ
F
(OPTIONAL)
2.2
μ
F/150mA
4.7
μ
F/300mA
1.5V TO 3.3V
2.2
μ
F/150mA
4.7
μ
F/300mA
1.5V TO 3.3V
Typical Operating Circuit
19-3121; Rev 0; 1/04
EVAVAILABLE
PART
TEMP RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
8 UCSP (B8-1)
8 TDFN-EP**
MAX8559EBAxy*
MAX8559ETAxy*
*
xy = Output voltage code (see the Output Voltage
Selector Guide).
**
EP = Exposed pad.
Future product—contact factory for availability.
Output Voltage Selector Guide appears at end of data sheet.
Pin Configurations
G
O
I
1
2
O
B
S
TDFN
S
I
3mm x 3mm
3
4
MAX8559ETA
8
7
6
5
TOP VIEW
Pin Configurations continued at end of data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8559ETAJ2+ | 制造商:Maxim Integrated Products 功能描述:REG LDO LIN FIX POS 2.85V/1.8V 0.3A 8TDFN EP - Rail/Tube |
| MAX8559ETAJ2+T | 功能描述:低壓差穩壓器 - LDO Dual 300mA Low-Noise Linear Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX8559ETAJ2-T | 功能描述:低壓差穩壓器 - LDO Dual 300mA Low-Noise Linear Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX8559ETAJG+ | 制造商:Maxim Integrated Products 功能描述:REG LDO LIN FIX POS 2.85V/3V 0.3A 8TDFN EP - Rail/Tube |
| MAX8559ETAJG+T | 功能描述:低壓差穩壓器 - LDO Dual 300mA Low-Noise Linear Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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