LTC1470
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LTC1470

Single and Dual PCMCIA Protected 3.3V/5V VCC Switches

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Part Models 4
1ku List Price Starting From $3.09
Features
  • Single 3.3V/5V Switch in 8-Pin SO Package
  • Dual 3.3V/5V Switch in 16-Pin SO Package
  • Built-In Current Limit and Thermal Shutdown
  • Built-In Charge Pumps (No 12V Required)
  • Extremely Low RDS(ON) MOSFET Switches
  • Output Current Capability: 1A
  • Inrush Current Limited (Drives 150µF Loads)
  • Quiescent Current in Standby: 1µA
  • No Parasitic Body Diodes
  • Built-In XOR Function Eliminates “Glue” Logic
  • Break-Before-Make Switching
  • Controlled Rise and Fall Times
Additional Details
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The LTC1470 switches the VCC pins of a Personal Computer Memory Card International Association (PCMCIA) card slot between three operating states: OFF, 3.3V and 5V. Two low RDS(ON) N-channel power MOSFETs are driven by a built-in charge pump which generates a voltage higher than the supply voltage to fully enhance each switch when selected by the input control logic.

The LTC1470 inputs are compatible with industry standard PCMCIA controllers. A built-in XOR ensures that both switches are never on at the same time. This function also makes the LTC1470 compatible with both active-low and active-high controllers (see Applications Information section). The switch rise times are controlled to eliminate power supply glitching.

The LTC1470 features built-in SafeSlot™ current limit and thermal shutdown. The output is limited to 1A during short circuit to ground but 2A of peak operating current is allowed.

The LTC1471 is a dual version of the LTC1470 and is available in a 16-pin SO package.

Applications

  • Notebook Computers
  • Palmtop Computers
  • Pen-Based Computers
  • Handi-Terminals
  • PC Card Reader/Writers
  • 3.3V/5V Power Supply Switch
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Part Models 4
1ku List Price Starting From $3.09
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LTC1470

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Data Sheet

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UPDATED 08/28/2007
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LTC1470/LTC1471: Single and Dual PCMCIA Protected 3.3V/5V VCC Switches Data Sheet

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UPDATED 02/21/2008
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LTC1470: シングルおよびデュアルPCMCIA保護機能付き3.3V/5V VCCスイッチ データシート

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Reliability Data

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UPDATED 03/22/2018
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R319 Reliability Data redirect icon

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Application Note

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UPDATED 08/20/2007
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AN60 - PCMCIA Card and Card Socket Power Management: redirect icon

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Design Note

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UPDATED 12/01/1994
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Design Note 93: PCMCIA Socket Voltage Switching redirect icon

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC1470CS8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC1470CS8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC1470ES8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC1470ES8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link

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Dec 14, 2023

- 22_0255

Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)

LTC1470CS8#PBF

PRODUCTION

LTC1470CS8#TRPBF

PRODUCTION

LTC1470ES8#PBF

PRODUCTION

LTC1470ES8#TRPBF

PRODUCTION

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PCN22_0255_Form

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Material_Report

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Qualification Results Summary

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Delta Qualification Matrix

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Jun 16, 2021

- 21_0026

Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

LTC1470CS8#PBF

PRODUCTION

LTC1470CS8#TRPBF

PRODUCTION

LTC1470ES8#PBF

PRODUCTION

LTC1470ES8#TRPBF

PRODUCTION

pdf

PCN21_0026_Form

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Material_Report

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Delta Qualification Matrix

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Product Lifecycle

PCN

Dec 14, 2023

- 22_0255

arrow down

Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)

LTC1470CS8#PBF

PRODUCTION

LTC1470CS8#TRPBF

PRODUCTION

LTC1470ES8#PBF

PRODUCTION

LTC1470ES8#TRPBF

PRODUCTION

pdf

PCN22_0255_Form

external-icon

xls

Material_Report

Download

pdf

Qualification Results Summary

external-icon

xlsm

Delta Qualification Matrix

Download
Jun 16, 2021

- 21_0026

arrow down

Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

LTC1470CS8#PBF

PRODUCTION

LTC1470CS8#TRPBF

PRODUCTION

LTC1470ES8#PBF

PRODUCTION

LTC1470ES8#TRPBF

PRODUCTION

pdf

PCN21_0026_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download

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