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TC7660SMJA Datasheet

  • TC7660SMJA

  • SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER

  • 458.76KB

  • 11页

  • MICROCHIP   MICROCHIP

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EVALUATION
KIT
AVAILABLE
TC7660S
SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
FEATURES
s
s
s
s
s
s
s
s
s
s
Oscillator boost from 10kHz to 45kHz
Converts +5V Logic Supply to
卤
5V System
Wide Input Voltage Range .................... 1.5V to 12V
Efficient Voltage Conversion ......................... 99.9%
Excellent Power Efficiency ............................... 98%
Low Power Supply .............................. 80
碌
A @ 5 V
IN
Low Cost and Easy to Use
鈥?Only Two External Capacitors Required
Available in Small Outline (SOIC) Package
Improved ESD Protection ..................... Up to 10kV
No External Diode Required for High Voltage
Operation
GENERAL DESCRIPTION
The TC7660S is a pin-compatible upgrade to the Indus-
try standard TC7660 charge pump voltage converter. It
converts a +1.5V to +12V input to a corresponding -1.5V to
-12V output using only two low-cost capacitors, eliminating
inductors and their associated cost, size and EMI. Added
features include an extended supply range to 12V, and a
frequency boost pin for higher operating frequency, allowing
the use of smaller external capacitors.
The on-board oscillator operates at a nominal frequency
of 10kHz. Frequency is increased to 45kHz when pin 1 is
connected to V+. Operation below 10kHz (for lower supply
current applications) is possible by connecting an external
capacitor from OSC to ground (with pin 1 open).
The TC7660S is available in both 8-pin DIP and 8-pin
small outline (SOIC) packages in commercial and extended
temperature ranges.
PIN CONFIGURATION
(DIP AND SOIC)
8 V+
7 OSC
8 V+
7 OSC
LOW
TC7660SCOA 6 VOLTAGE (LV)
TC7660SEOA
5 VOUT
ORDERING INFORMATION
Part No.
TC7660SCOA
TC7660SCPA
TC7660SEJA
TC7660SEOA
TC7660SEPA
TC7660SMJA
Package
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
Temperature
Range
0掳C to +70掳C
0掳C to +70掳C
鈥?40掳C to +85掳C
鈥?40掳C to +85掳C
鈥?40掳C to +85掳C
鈥?55掳C to +125掳C
Boost 1
CAP + 2
Boost
1
CAP + 2
GND
CAP 鈥?/div>
3
4
GND 3 TC7660SCPA 6 LOW
VOLTAGE (LV)
TC7660SEJA
CAP 鈥?4 TC7660SEPA 5 VOUT
TC7660EV
Evaluation Kit for
Charge Pump Family
FUNCTIONAL BLOCK DIAGRAM
V + CAP +
8
BOOST
1
2
OSC
7
RC
OSCILLATOR
梅
2
VOLTAGE鈥?/div>
LEVEL
TRANSLATOR
4
CAP 鈥?/div>
LV
6
5
INTERNAL
VOLTAGE
REGULATOR
LOGIC
NETWORK
VOUT
TC7660S
3
GND
漏 2001 Microchip Technology Inc.
DS21467A
TC7660S-14 9/16/96

TC7660SMJA PDF文件相关型号

TC7662A

TC7660SMJA 产品属性

  • 56

  • 集成电路 (IC)

  • PMIC - 稳压器 - DC DC 开关稳压器

  • -

  • 切换式电容器（充电泵），反相

  • 可调式

  • 1

  • -1.5 V ~ -12 V

  • 1.5 V ~ 12 V

  • -

  • 10kHz ~ 45kHz

  • 20mA

  • 无

  • -55°C ~ 125°C

  • 通孔

  • 8-CDIP（0.300"，7.62mm）

  • 管件

  • 8-CERDIP

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