TC962EPA datasheet, PDF - EEWORLD Datasheet

TC962EPA: DescriptionCharge Pump INV -3V to -18V 80mA Automotive 8-Pin PDIP Tube; File Size250KB，14 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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TC962EPA Overview

Charge Pump INV -3V to -18V 80mA Automotive 8-Pin PDIP Tube

TC962EPA Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Function	Inverting
Output Type	Adjustable
Output Voltage (V)	-3 to -18
Minimum Operating Supply Voltage (V)	3
Maximum Operating Supply Voltage (V)	18
Maximum Supply Current (mA)	0.7
Maximum Power Dissipation (mW)	730
Output Current (mA)	80(Max)
Switching Frequency (kHz)	24(Typ)
Efficiency (%)	97(Typ)
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tube
Supplier Package	PDIP
Pin Count	8
Standard Package Name	DIP
Mounting	Through Hole
Package Height	4.06(Max)
Package Length	10.16(Max)
Package Width	6.6(Max)
PCB changed	8
Lead Shape	Through Hole

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TC962

High Current Charge Pump DC-to-DC Converter

Features:

•

Pin Compatible With TC7662/ICL7662/SI7661

High Output Current 80 mA

No External Diodes Required

Wide Operating Range 3V to 18V

Low Output Impedance 28 Typ.

No Low Voltage Terminal Required

Application Zener On-Chip

OSC Frequency Doubling Pin Option for Smaller

Output Capacitors

General Description:

The TC962 is an advanced version of the industry

standard TC7662 high voltage DC-to-DC converter.

Using improved design techniques and CMOS

construction, the TC962 can source as much as 80 mA

versus the 7662’s 20 mA capability.

As an inverter, the TC962 can put out voltages as high

as 18V and as low as 3V without the need for external

diodes. The output impedance of the device is a low

28 (with the proper capacitors), voltage conversion

efficiency is 99.9%, and power conversion efficiency is

97%.

The low voltage terminal (pin 6) required in some

TC7662 applications has been eliminated. Grounding

this terminal will double the oscillator frequency from 12

kHz to 24 kHz. This will allow the use of smaller

capacitors for the same output current and ripple, in

most applications. Only two external capacitors are

required for inverter applications. In the event an

external clock is needed to drive the TC962 (such as

paralleling), driving this pin directly will cause the

internal oscillator to sync to the external clock.

Pin 1, which is used as a test pin on the 7662, is a

voltage reference Zener on the TC962. This Zener (6.4V

at 5 mA) has a dynamic impedance of 12 and is

intended for use where the TC962 is supplying current to

external regulator circuitry and a reference is needed for

the regulator circuit. (See

Section 3.0 “Applications

Information”

Applications Information).

The TC962 is compatible with the LTC1044, SI7661

and ICL7662. It should be used in designs that require

greater power and/or less input to output voltage drop.

It offers superior performance over the ICL7660S.

Applications:

•

Laptop Computers

Disk Drives

Process Instrumentation

P-Based

Controllers

Device Selection Table

Part

Number

TC962COE

TC962CPA

TC962EPA

TC962IJA

TC962MJA

Package

16-Pin SOIC Wide

8-Pin Plastic DIP

8-Pin CERDIP

Operating

Temp.

Range

0°C to +70°C

-40°C to +85°C

-25°C to +85°C

-55°C to +125°C

Package Type

16-Pin SOIC Wide

8-Pin DIP

8-Pin CERDIP

Zener

Cathode 1 •

C+ 2

TC962CPA

TC962EPA

GND 3

TC962IJA

– 4

TC962MJA

8 V

7 C

OSC

6 FREQ x 2

5 V

OUT

Zener

Cathode 1

NC 2

C+ 3

NC 4

GND 5

NC 6

C– 7

NC 8

16 V

15 NC

14 C

OSC

13 NC

TC962COE

12 FREQ x 2

11 NC

10 V

OUT

9 NC



2001-2012 Microchip Technology Inc.

DS21484D-page 1

TC962EPA Related Products

	TC962EPA	TC962CPA	TC962COE	TC962COE713
Description	Charge Pump INV -3V to -18V 80mA Automotive 8-Pin PDIP Tube	Charge Pump INV -3V to -18V 80mA Automotive 8-Pin PDIP Tube	Charge Pump INV -3V to -18V 80mA Automotive 16-Pin SOIC W Tube	Charge Pump INV -3V to -18V 80mA Automotive 16-Pin SOIC W T/R
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Active	Active
HTS	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01
Function	Inverting	Inverting	Inverting	Inverting
Output Type	Adjustable	Adjustable	Adjustable	Adjustable
Output Voltage (V)	-3 to -18	-3 to -18	-3 to -18	-3 to -18
Minimum Operating Supply Voltage (V)	3	3	3	3
Maximum Operating Supply Voltage (V)	18	18	18	18
Maximum Supply Current (mA)	0.7	0.7	0.7	0.7
Maximum Power Dissipation (mW)	730	730	760	760
Output Current (mA)	80(Max)	80(Max)	80(Max)	80(Max)
Switching Frequency (kHz)	24(Typ)	24(Typ)	24(Typ)	24(Typ)
Efficiency (%)	97(Typ)	97(Typ)	97(Typ)	97(Typ)
Maximum Operating Temperature (°C)	85	70	70	70
Packaging	Tube	Tube	Tube	Tape and Reel
Supplier Package	PDIP	PDIP	SOIC W	SOIC W
Pin Count	8	8	16	16
Standard Package Name	DIP	DIP	SOP	SOP
Mounting	Through Hole	Through Hole	Surface Mount	Surface Mount
Package Height	4.06(Max)	4.06(Max)	2.31	2.31
Package Length	10.16(Max)	10.16(Max)	10.3	10.3
Package Width	6.6(Max)	6.6(Max)	7.49	7.49
PCB changed	8	8	16	16
Lead Shape	Through Hole	Through Hole	Gull-wing	Gull-wing

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