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TC1044SIJA

Charge Pumps High Voltage

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SeekIC No. : 00488055 Detail

TC1044SIJA: Charge Pumps High Voltage

TC1044SIJA Data Sheet

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Part Number:
TC1044SIJA
Mfg:
Microchip Technology
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/18

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Product Details

Quick Details

Function : Inverting Output Voltage : - 12 V to - 1.5 V
Maximum Operating Temperature : 85 C Package / Case : CDIP-8
Packaging : Tube    

Description

Output Current :
Supply Current :
Function : Inverting
Packaging : Tube
Output Voltage : - 12 V to - 1.5 V
Maximum Operating Temperature : 85 C
Package / Case : CDIP-8


Features:

`Converts +5V Logic Supply to ±5V System
`Wide Input Voltage Range .................... 1.5V to 12V
`Efficient Voltage Conversion ......................... 99.9%
`Excellent Power Efficiency ...............................98%
`Low Power Consumption ............ 80A @ VIN = 5V
`Low Cost and Easy to Use
- Only Two External Capacitors Required
`RS-232 Negative Power Supply
`Available in 8-Pin Small Outline (SOIC) and 8-Pin Plastic DIP Packages
`Improved ESD Protection ..................... Up to 10kV
`No External Diode Required for High Voltage Operation
`Frequency Boost Raises FOSC to 45kHz


Pinout

Connection Diagram


Specifications

Supply Voltage ........................................................ +13V
LV, Boost and OSC Inputs
Voltage (Note 1) ............................. 0.3V to (V++ 0.3V)
for V+ < 5.5V
(V+ 5.5V) to (V++ 0.3V)
for V+ > 5.5V
Current Into LV (Note 1) ................... . 20A for V+ > 3.5V
Output Short Duration (VSUPPLY 5.5V) ....... Continuous
Lead Temperature (Soldering, 10 sec) .................. +300
Package Power Dissipation (TA 70) (Note 2)
8-Pin CerDIP .........................................................800mW
8-Pin Plastic DIP ...................................................730mW
8-Pin SOIC ............................................................470mW
Operating Temperature Range
C Suffix ......................................................... 0 to +70
I Suffix .................................................... 25 to +85
E Suffix ................................................... 40 to +85
M Suffix ................................................. 55 to +125
Storage Temperature Range ................ 65 to +150


Description

The TC1044S is a pin-compatible upgrade to the Industry 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 TC1044S 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 TC1044S is available in both 8-pin DIP and 8-pin small outline (SOIC) packages in commercial and extended temperature ranges.




Parameters:

Technical/Catalog InformationTC1044SIJA
VendorMicrochip Technology
CategoryIntegrated Circuits (ICs)
TypeSwitched Capacitor (Charge Pump), Inverting
Number of Outputs1
Voltage - Input1.5 ~ 12 V
Voltage - Output-1.5 ~ -12 V
Current - Output20mA
Power - Output800mW
Package / Case8-CDIP (300 mil)
PackagingTube
Internal Switch(s)Yes
SynchronousYes
Rds (On)-
Operating Temperature-25°C ~ 85°C
Frequency - Switching10kHz, 45kHz
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names TC1044SIJA
TC1044SIJA



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