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參數(shù)資料
| 型號： | MAX681CPD |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 8-Bit Shift Registers With Output Latches 16-CDIP -55 to 125 |
| 中文描述： | SWITCHED CAPACITOR CONVERTER, 8 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 84K |
| 代理商： | MAX681CPD |
________________General Desc ription
The MAX680/MAX681 are monolithic, CMOS, dual
charge-pump voltage converters that provide ±10V out-
puts from a +5V input voltage. The MAX680/MAX681 pro-
vide both a positive step-up charge pump to develop
+10V from +5V input and an inverting charge pump to
generate the -10V output. Both parts have an on-chip,
8kHz oscillator. The MAX681 has the capacitors internal to
the package, and the MAX680 requires four external
capacitors to produce both positive and negative voltages
from a single supply.
The output source impedances are typically 150
, pro-
viding useful output currents up to 10mA. The low quies-
cent current and high efficiency make this device suitable
for a variety of applications that need both positive and
negative voltages generated from a single supply.
The MAX864/MAX865 are also recommended for new
designs. The MAX864 operates at up to 200kHz and uses
smaller capacitors. The MAX865 comes in the smaller
μMAX package.
________________________Applic ations
The MAX680/MAX681 can be used wherever a single
positive supply is available and where positive and nega-
tive voltages are required. Common applications include
generating ±6V from a 3V battery and generating ±10V
from the standard +5V logic supply (for use with analog
circuitry
)
. Typical applications include:
±6V from 3V Lithium Cell
Hand-Held Instruments
Data-Acquisition Systems
Panel Meters
±10V from +5V Logic
Supply
____________________________Features
o
95% Voltage-Conversion Efficiency
o
85% Power-Conversion Efficiency
o
+2V to +6V Voltage Range
o
Only Four External Capacitors Required (MAX680)
o
No Capacitors Required (MAX681)
o
500μA Supply Current
o
Monolithic CMOS Design
M
+5V to ±10V Voltage Converters
________________________________________________________________ Maxim Integrated Products
1
V
CC
C2-
GND
V-
1
2
8
7
V+
C1+
C2+
C1-
MAX680
DIP/SO
TOP VIEW
3
4
6
5
14
13
12
11
10
9
8
1
2
3
4
5
6
7
V
CC
V
CC
V
CC
V
CC
C2+
C1-
C1-
V+
MAX681
V+
GND
GND
V-
C2-
C2-
DIP
_________Typic al Operating Circ uits
MAX680
C1-
C1+
+10V
4.7
μ
F
4.7
μ
F
4.7
μ
F
4.7
μ
F
-10V
GND
+10V
-10V
GND
FOUR PINS REQUIRED
(MAX681 ONLY)
+5V
GND
GND
+5V
V-
V+
C2-
V
CC
GND
+5V to ±10V CONVERTER
MAX681
V-
V+
V
CC
GND
C1+
_________________Pin Configurations
19-0896; Rev 1; 7/96
PART
MAX680
CPA
MAX680CSA
MAX680C/D
MAX680EPA
MAX680ESA
MAX680MJ A
MAX681
CPD
MAX681EPD
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 Narrow SO
Dice
8 Plastic DIP
8 Narrow SO
8 CERDIP
14 Plastic DIP
14 Plastic DIP
_______________Ordering Information
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
-40°C to +85°C
Battery-Operated
Equipment
Operational Amplifier
Power Supplies
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX681EPD | 功能描述:電荷泵 RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX6820UT | 制造商:Maxim Integrated Products 功能描述:SOT23 POWER-SUPPLY SEQUENCER - Rail/Tube |
| MAX6820UT+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR SEQUENCER 6PIN SOT-23 - Bulk |
| MAX6820UT+T | 功能描述:監(jiān)控電路 Power-Supply Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6820UTT | 制造商:Maxim Integrated Products 功能描述: |
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