TDF1778SP datasheet, PDF - EEWORLD Datasheet

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TDF1778SP: Descriptiondual 2-A source driver; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size131KB，10 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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TDF1778SP Overview

dual 2-A source driver

TDF1778SP Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	STMicroelectronics
Parts packaging code	ZFM
package instruction	MULTIWATT-11
Contacts	11
Reach Compliance Code	not_compliant
ECCN code	EAR99
Samacsys Description	Dual source driver,TDF1778SP 2A 8-32V
Built-in protection	TRANSIENT; OVER CURRENT; THERMAL
Number of drives	2
Interface integrated circuit type	BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 code	R-PZFM-T11
JESD-609 code	e0
Number of functions	1
Number of terminals	11
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output current flow direction	SOURCE
Maximum output current	2 A
Package body material	PLASTIC/EPOXY
encapsulated code	ZIP
Encapsulate equivalent code	ZIP11,.2,.17,67TB
Package shape	RECTANGULAR
Package form	FLANGE MOUNT
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	24 V
Certification status	Not Qualified
Maximum supply voltage	32 V
Minimum supply voltage	8 V
Nominal supply voltage	24 V
surface mount	NO
technology	BIPOLAR
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	1.7 mm
Terminal location	ZIG-ZAG
Maximum time at peak reflow temperature	NOT SPECIFIED

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TDF1778

DUAL 2-A SOURCE DRIVER

OUTPUT CURRENT UP TO 2.5 A

WIDE RANGE OF SUPPLY VOLTAGES : + 8 to

+ 32 V

CAN WITHSTAND OVERVOLTAGES OF AS

HIGH AS 60 V BETWEEN V

AND GROUND

INTERNAL ZENER DIODE PROVIDES FAST

SWITCHING OF INDUCTIVE LOADS

OUTPUT VOLTAGE CAN BE LOWER THAN

GROUND

DESCRIPTION

The TDF1778 is a dual source driver delivering high

output currents and capable to drive any type of

loads (Electrovalves, contactors, lamps).

This device is essentially blow-out proof, each out-

put is protected against short-circuits. If internal dis-

sipation becomes too high, drivers will shut down to

prevent excessive heating. An ”ALARM” output is

provided to indicate the action of the thermal protec-

tion. To reactivate the power outputs, the reset input

must be forced to low state.

”SENSE” information of both power outputs are

ORed together and then processed internally.

A ”STROBE” input is also provided to offer the pos-

sibility of disabling the power outputs.

PIN CONNECTION

MULTIWATT11

ORDERING NUMBER :

TDF1778SP

- Output 1

- VCC

- Output 2

- N.C.

- Strobe

- Ground

- Input 2

- Sense output

- Alarm output

- Reset input

- Input 1

April 1993

1/10

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