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TC2683 の電気的特性と機能

TC2683のメーカーはMicrochip Technologyです、この部品の機能は「(TC2682 - TC2684) Inverting Charge Pump Voltage Doublers」です。


製品の詳細 ( Datasheet PDF )

部品番号 TC2683
部品説明 (TC2682 - TC2684) Inverting Charge Pump Voltage Doublers
メーカ Microchip Technology
ロゴ Microchip Technology ロゴ 




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TC2683 Datasheet, TC2683 PDF,ピン配置, 機能
Obsolete Device
TC2682/TC2683/TC2684
Inverting Charge Pump Voltage Doublers
Features
• Small 8-Pin MSOP Package
• Operates from 1.8V to 5.5V
• 120 Ohms (typ) Output Resistance
• 99% Voltage Conversion Efficiency
• Only 3 External Capacitors Required
• Power-Saving Shutdown Mode
• Low Active Supply Current
- 95μA (typ) for TC2682
- 225μA (typ) for TC2683
- 700μA (typ) for TC2684
Applications
• LCD Panel Bias
• Cellular Phones PA Bias
• Pagers
• PDAs, Portable Data Loggers
• Battery-Powered Devices
Device Selection Table
Part
Number
Package
Osc.
Freq.
(kHz)
Operating
Temp.
Range
TC2682EUA 8-Pin MSOP 12 -40°C to +85°C
TC2683EUA 8-Pin MSOP 35 -40°C to +85°C
TC2684EUA 8-Pin MSOP 125 -40°C to +85°C
Package Type
8-Pin MSOP
C1– 1
C2+ 2
C2– 3
VOUT 4
TC2682
TC2683
TC2684
8 NC
7 C1+
6 VIN
5 GND
General Description
The TC2682/TC2683/TC2684 are CMOS charge pump
converters that provide an inverted doubled output
from a single positive supply. An on-board oscillator
provides the clock and only three external capacitors
are required for full circuit implementation. Switching
frequencies are 12kHz for the TC2682, 35kHz for the
TC2683, and 125kHz for the TC2684.
Low output source impedance (typically 120Ω),
provides output current up to 10mA. The TC2682/
TC2683/TC2684 feature a 1.8V to 5.5V operating
voltage range and high efficiency, which make them an
ideal choice for a wide variety of applications requiring
a negative doubled voltage derived from a single
positive supply (for example: generation of -7.2V from
a +3.6V lithium cell or -10V generated from a +5V logic
supply).
The minimum external part count and small physical
size make this family of products useful for a wide
variety of negative bias power supply applications.
Functional Block Diagram
+ C1+
C1
C1–
VIN Input
C2+ TC2682
+ TC2683
C2 C2– TC2684
GND
VOUT
VOUT = -(2 x VIN)
– COUT
+
C1 must have a voltage rating VIN
C2 and COUT must have a voltage rating 2VIN
© 2005 Microchip Technology Inc.
DS21548C-page 1

1 Page





TC2683 pdf, ピン配列
TC2682/TC2683/TC2684
2.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1: PIN FUNCTION TABLE
Pin No.
(8-Pin MSOP)
1
2
3
4
5
6
7
8
Symbol
Description
C1–
C2+
C2–
VOUT
GND
VIN
C1+
NC
C1 commutation capacitor negative terminal.
C2 commutation capacitor positive terminal.
C2 commutation capacitor negative terminal.
Doubling inverting charge pump output (-2 x VIN).
Ground.
Positive power supply input.
C1 commutation capacitor positive terminal.
No connection.
© 2005 Microchip Technology Inc.
DS21548C-page 3


3Pages


TC2683 電子部品, 半導体
TC2682/TC2683/TC2684
5.0 PACKAGING INFORMATION
5.1 Package Marking Information
Package marking data not available at this time.
5.2 Taping Form
Component Taping Orientation for 8-Pin MSOP Devices
User Direction of Feed
PIN 1
P
Standard Reel Component Orientation
for TR Suffix Device
Carrier Tape, Number of Components Per Reel and Reel Size
Package
8-Pin MSOP
Carrier Width (W)
12 mm
Pitch (P)
8 mm
Part Per Full Reel
2500
Reel Size
13 in
5.3 Package Dimensions
8-Pin MSOP
PIN 1
.122 (3.10) .197 (5.00)
.114 (2.90) .189 (4.80)
.026 (0.65) TYP.
.122 (3.10)
.114 (2.90)
.043 (1.10)
MAX.
6° MAX.
.016 (0.40) .006 (0.15)
.010 (0.25) .002 (0.05)
.028 (0.70)
.016 (0.40)
.008 (0.20)
.005 (0.13)
Dimensions: inches (mm)
DS21548C-page 6
© 2005 Microchip Technology Inc.

6 Page



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共有リンク

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部品番号部品説明メーカ
TC2682

(TC2682 - TC2684) Inverting Charge Pump Voltage Doublers

Microchip Technology
Microchip Technology
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(TC2682 - TC2684) Inverting Charge Pump Voltage Doublers

Microchip Technology
Microchip Technology
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(TC2682 - TC2684) Inverting Charge Pump Voltage Doublers

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