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參數(shù)資料
| 型號(hào)： | MAX8862 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, Low-Dropout, Dual Linear Regulator |
| 中文描述： | 低成本、低壓差、雙線性穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 129K |
| 代理商： | MAX8862 |
_______________General Desc ription
The MAX8862 low-cost, low-dropout, dual linear voltage
regulator is ideal for battery-powered and portable
applications. The regulators have independent supply
inputs and provide 250mA and 100mA, respectively,
with a full-load dropout voltage of 160mV. Both regula-
tors use P-channel MOSFET pass transistors and main-
tain low quiescent current independent of load current.
In dropout, the MOSFET does not suffer from excessive
base currents, as do saturated PNP transistors.
The MAX8862 output voltage is preset to 4.95V (L),
3.175V (T), or 2.85V (R). This device employs Dual
Mode operation, allowing user-adjustable outputs
from +2V to +11V with external resistors. The input
supply-voltage range is 2.5V to 11.5V. Other features
include independent shutdown, power-good indicator,
short-circuit and reverse-battery protection, and ther-
mal shutdown.
The MAX8862’s regulators are ideal power supplies for
the radio and the microcontroller (μC) used in digital,
cordless, and PCS phones. The main regulator is opti-
mized for superior transient and dynamic response,
while the secondary regulator exhibits low-output, wide-
band noise.
The MAX8862 comes in a 16-pin SO package with a
lead frame that uses multiple GND pins as a heat sink
for additional thermal dissipation.
________________________Applic ations
Cellular Phones
PCS Phones
Modems
Electronic Planners
__________Typic al Operating Circ uit
Cordless Phones
PCMCIA Cards
Hand-Held Instruments
____________________________Features
o
Low Cost
o
Guaranteed 250mA and 100mA Output Currents,
with Current Limiting
o
Dual Mode Operation:
Fixed or Adjustable Output from +2V to +11V
o
+2.5V to +11.5V Input Range
o
160mV Dropout Voltage at 200mA Output Current
o
Low Supply Current—Even in Dropout
200μA Operating
<1μA Shutdown
o
Power-Good Indicator
o
Reverse-Battery Protection
o
Thermal Overload Protection
M
Low-Cost, Low-Dropout, Dual Linear Regulator
________________________________________________________________ Maxim Integrated Products
1
TOP VIEW
Narrow SO
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
MAX8862
IN1
SHDN1
PWROK1
GND
GND
OUT2
SET2
N.C.
N.C.
SET1
OUT1
GND
GND
REF2
SHDN2
IN2
__________________Pin Configuration
INPUT 1
2.5V TO11.5V
INPUT 2
2.5V TO11.5V
100k
OUTPUT 1
AT 250mA
OUTPUT 2
AT 100mA
3.3μF
1μF
2.2μF
0.1μF
1μF
GND SET1 SET2 GND
OUT1
OUT2
MAX8862
SHDN1
SHDN2
PWROK1
REF2
IN1
IN2
19-1117; Rev 0; 8/96
SUFFIX
L
T
R
2.85
3.175
4.95
FIXED OUTPUT VOLTAGE (V)
______________Ordering Information
*nsert the desired suffix letter (from the table below) into the
blank to complete the part number.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
PART*
MAX8862_ESE
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
16 Narrow SO
Dual Mode is a trademark of Maxim Integrated Products.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX8862_ESE | RES 160K OHM 1/16W 5% 0402 SMD |
| MAX8863T | Low-Dropout, 100mA Linear Regulators(100mA,低壓差線性穩(wěn)壓器,SOT23封裝) |
| MAX8863R | Low-Dropout, 100mA Linear Regulators(100mA,低壓差線性穩(wěn)壓器,SOT23封裝) |
| MAX8863S | Low-Dropout, 100mA Linear Regulators(100mA,低壓差線性穩(wěn)壓器,SOT23封裝) |
| MAX8864R | Low-Dropout, 100mA Linear Regulators(100mA,低壓差線性穩(wěn)壓器,SOT23封裝) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8862LESE | 功能描述:低壓差穩(wěn)壓器 - LDO Dual 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(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 |
| MAX8862LESE+ | 功能描述:低壓差穩(wěn)壓器 - LDO Dual 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(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 |
| MAX8862LESE+T | 功能描述:低壓差穩(wěn)壓器 - LDO Dual 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(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 |
| MAX8862LESE-T | 功能描述:低壓差穩(wěn)壓器 - LDO Dual 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(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 |
| MAX8862RCSE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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