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  • The TDE1747 is a monolithic comparator designed for high current and high voltage applications, specifically to drive lamps, relays, stepping motors.

    This device is essentially blow-out proof. Current limiting is available to limit the peak output current to safe values.
    Adjustment only requires one external resistor. In addition, thermal shut down is provided to keep the IC from overheating. If internal dissipation becomes too high, the driver will shut down to prevent excessive heating. TDE1747 has an open ground protection. The output is also protected from shortcircuits with the positive power supply. The device operates over a wide range of supply voltages from standard ± 15V operational amplifier supplies down to the single +12V or +24V used for industrial electronic systems.

    Key Features

    • Short-circuit protection to VCC
    • Open ground protection
    • Adjustable short-circuit protection to ground
    • High output current
    • Large supply voltage range: + 8V to +45V
    • Thermal protection with hysteresis to avoid the intermediate output levels

Circuit Diagram

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Technical Documentation

    • Description Version Size Action
      DS4791
      Interface circuit - relay and lamp-driver
      1.2
      620.7 KB
      PDF
      DS4791

      Interface circuit - relay and lamp-driver

Publications and Collaterals

    • Description Version Size Action
      Intelligent power switches (IPS) 04.2018
      4.21 MB
      PDF

      Intelligent power switches (IPS)

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TDE1747FP
Active
SO-14 Industrial Ecopack2 (**)
TDE1747FPT
Active
SO-14 Industrial Ecopack2 (**)

TDE1747FP

Package:

SO-14

Material Declaration**:

Marketing Status

Active

Package

SO-14

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

TDE1747FPT

Package:

SO-14

Material Declaration**:

Marketing Status

Active

Package

SO-14

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
TDE1747FP Available at 5 distributors

Distributor availability ofTDE1747FP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 311 1 Order Now
COMPEL EUROPE 2 1 Order Now
RS COMPONENTS EUROPE 346 1 Order Now
ARROW EUROPE 281 0 Order Now
Farnell Element14 EUROPE 313 1 Order Now

Distributor reported inventory date: 2020-08-02

Distributor Name

DIGIKEY

Stock

311

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

2

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

346

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

281

Min.Order

0

Region

EUROPE Order Now

Farnell Element14

Stock

313

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-02

Buy now
Active
EAR99 NEC Tube SO-14 - - MOROCCO 2.115 / 1k
TDE1747FPT Available at 6 distributors

Distributor availability ofTDE1747FPT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2494 1 Order Now
RS COMPONENTS EUROPE 2995 1 Order Now
ARROW EUROPE 5000 0 Order Now
Newark Element14 AMERICA 184 0 Order Now
Farnell Element14 EUROPE 219 1 Order Now
RUTRONIK EUROPE 7500 2500 Order Now

Distributor reported inventory date: 2020-08-04

Distributor Name

DIGIKEY

Stock

2494

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2995

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

5000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

184

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

219

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

7500

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-04

Buy now
Active
EAR99 NEC Tape And Reel SO-14 - - MOROCCO 2.115 / 1k

TDE1747FP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.115 / 1k

Distributor availability ofTDE1747FP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 311 1 Order Now
COMPEL EUROPE 2 1 Order Now
RS COMPONENTS EUROPE 346 1 Order Now
ARROW EUROPE 281 0 Order Now
Farnell Element14 EUROPE 313 1 Order Now

Distributor reported inventory date: 2020-08-02

Distributor Name

DIGIKEY

Stock

311

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

2

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

346

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

281

Min.Order

0

Region

EUROPE Order Now

Farnell Element14

Stock

313

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-02

ECCN (EU)

NEC

Packing Type

Tube

Package

SO-14

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.115 / 1k

Country of Origin

MOROCCO

TDE1747FPT

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.115 / 1k

Distributor availability ofTDE1747FPT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2494 1 Order Now
RS COMPONENTS EUROPE 2995 1 Order Now
ARROW EUROPE 5000 0 Order Now
Newark Element14 AMERICA 184 0 Order Now
Farnell Element14 EUROPE 219 1 Order Now
RUTRONIK EUROPE 7500 2500 Order Now

Distributor reported inventory date: 2020-08-04

Distributor Name

DIGIKEY

Stock

2494

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2995

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

5000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

184

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

219

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

7500

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-04

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-14

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.115 / 1k

Country of Origin

MOROCCO

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors