TL594IN datasheet, PDF - EEWORLD Datasheet

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TL594IN: Descriptionprecision switchmode pulse width modulation control circuit; CategoryPower/power management The power supply circuit; File Size403KB，16 Pages; ManufacturerMotorola ( NXP ); Websitehttps://www.nxp.com

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TL594IN Overview

precision switchmode pulse width modulation control circuit

TL594IN Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Motorola ( NXP )
Parts packaging code	DIP
package instruction	DIP,
Contacts	16
Reach Compliance Code	unknown
ECCN code	EAR99
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	VOLTAGE-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	40 V
Minimum input voltage	7 V
Nominal input voltage	15 V
JESD-30 code	R-PDIP-T16
JESD-609 code	e0
length	19.175 mm
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-25 °C
Maximum output current	0.5 A
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	4.44 mm
Maximum supply current (Isup)	18 mA
surface mount	NO
Switch configuration	PUSH-PULL
Maximum switching frequency	200 kHz
technology	BIPOLAR
Temperature level	OTHER
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.62 mm

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TL594

PULSE WIDTH MODULATION CONTROL CIRCUIT

SLVS052F − APRIL 1988 − REVISED NOVEMBER 2003

Complete PWM Power-Control Circuitry

Uncommitted Outputs for 200-mA Sink or

Source Current

Output Control Selects Single-Ended or

Push-Pull Operation

Internal Circuitry Prohibits Double Pulse at

Either Output

Variable Dead Time Provides Control Over

Total Range

Internal Regulator Provides a Stable 5-V

Reference Supply Trimmed to 1%

Circuit Architecture Allows Easy

Synchronization

Undervoltage Lockout for Low-V

Conditions

D, N, NS, OR PW PACKAGE

(TOP VIEW)

1IN+

1IN−

FEEDBACK

DTC

GND

2IN+

2IN−

REF

OUTPUT CTRL

VCC

description/ordering information

The TL594 incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control

circuit on a single chip. Designed primarily for power-supply control, this device offers the systems engineer the

flexibility to tailor the power-supply control circuitry to a specific application.

The TL594 contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC)

comparator, a pulse-steering control flip-flop, a 5-V regulator with a precision of 1%, an undervoltage lockout

control circuit, and output control circuitry.

The error amplifiers have a common-mode voltage range of −0.3 V to V

− 2 V. The DTC comparator has a

fixed offset that provides approximately 5% dead time. The on-chip oscillator can be bypassed by terminating

RT to the reference output and providing a sawtooth input to CT, or it can be used to drive the common circuitry

in synchronous multiple-rail power supplies.

The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Each

device provides for push-pull or single-ended output operation, with selection by means of the output-control

function. The architecture of these devices prohibits the possibility of either output being pulsed twice during

push-pull operation. The undervoltage lockout control circuit locks the outputs off until the internal circuitry is

operational.

The TL594C is characterized for operation from 0°C to 70°C. The TL594I is characterized for operation from

−40°C to 85°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.



2003, Texas Instruments Incorporated

POST OFFICE BOX 655303

•

DALLAS, TEXAS 75265

TL594IN Related Products

	TL594IN	TL594CN	TL594CD
Description	precision switchmode pulse width modulation control circuit	precision switchmode pulse width modulation control circuit	precision switchmode pulse width modulation control circuit
Maker	Motorola ( NXP )	Motorola ( NXP )	Motorola ( NXP )
Parts packaging code	DIP	DIP	SOIC
package instruction	DIP,	DIP,	SOP, SOP16,.25
Contacts	16	16	16
Reach Compliance Code	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control mode	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	40 V	40 V	40 V
Minimum input voltage	7 V	7 V	7 V
Nominal input voltage	15 V	15 V	15 V
JESD-30 code	R-PDIP-T16	R-PDIP-T16	R-PDSO-G16
JESD-609 code	e0	e0	e0
length	19.175 mm	19.175 mm	9.9 mm
Number of functions	1	1	1
Number of terminals	16	16	16
Maximum operating temperature	85 °C	70 °C	70 °C
Maximum output current	0.5 A	0.5 A	0.5 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	DIP	DIP	SOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	IN-LINE	SMALL OUTLINE
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	4.44 mm	4.44 mm	1.75 mm
Maximum supply current (Isup)	18 mA	18 mA	18 mA
surface mount	NO	NO	YES
Switch configuration	PUSH-PULL	PUSH-PULL	PUSH-PULL
Maximum switching frequency	200 kHz	200 kHz	200 kHz
technology	BIPOLAR	BIPOLAR	BIPOLAR
Temperature level	OTHER	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE	THROUGH-HOLE	GULL WING
Terminal pitch	2.54 mm	2.54 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL
width	7.62 mm	7.62 mm	3.9 mm

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