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TC7660SEJA Datasheet

  • TC7660SEJA

  • SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER

  • 8頁

  • TELCOM

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EVALUATION
KIT
AVAILABLE
1
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
鹵
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
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
LOW
TC7660SCOA 6 VOLTAGE (LV)
TC7660SEOA
5 VOUT
2
3
4
5
6
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擄C to +70擄C
0擄C to +70擄C
鈥?40擄C to +85擄C
鈥?40擄C to +85擄C
鈥?40擄C to +85擄C
鈥?55擄C to +125擄C
Boost 1
CAP + 2
8 V+
7 OSC
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
7
TC7660S
3
GND
8
TC7660S-14 9/16/96
TELCOM SEMICONDUCTOR, INC.
4-69

TC7660SEJA 產(chǎn)品屬性

  • 56

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 切換式電容器（充電泵），反相

  • 可調(diào)式

  • 1

  • -1.5 V ~ -12 V

  • 1.5 V ~ 12 V

  • -

  • 10kHz ~ 45kHz

  • 20mA

  • 無

  • -40°C ~ 85°C

  • 通孔

  • 8-CDIP（0.300"，7.62mm）

  • 管件

  • 8-CERDIP

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