LT3596EUHG#TRPBF datasheet, PDF

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LT3596EUHG#TRPBF: DescriptionIC LED DRIVER RGLTR DIM 52QFN; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size2MB，22 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LT3596EUHG#TRPBF Overview

IC LED DRIVER RGLTR DIM 52QFN

LT3596EUHG#TRPBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	QFN
package instruction	HVQCCN, LCC39/52,.2X.3,16
Contacts	52
Manufacturer packaging code	UHG
Reach Compliance Code	compliant
ECCN code	EAR99
Interface integrated circuit type	LED DISPLAY DRIVER
JESD-30 code	R-PQCC-N52
JESD-609 code	e3
length	8 mm
Humidity sensitivity level	1
Multiplex display function	NO
Number of functions	1
Number of segments	3
Number of terminals	52
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC39/52,.2X.3,16
Package shape	RECTANGULAR
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	225
power supply	24 V
Certification status	Not Qualified
Maximum seat height	0.8 mm
Maximum supply voltage	55 V
Minimum supply voltage	6 V
Nominal supply voltage	24 V
surface mount	YES
technology	BIPOLAR
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.8 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5 mm
minfmax	1 MHz
Base Number Matches	1

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LT3596

60V Step-Down LED Driver

FeaTures

DescripTion

The LT

3596 is a 60V step-down LED Driver. It achieves

10,000:1 digital PWM dimming at 100Hz with fast NPN

current sources driving up to 10 LEDs in each channel.

100:1 LED dimming can also be done with analog control

of the CTRL1-3 pin.

The step-down switching frequency is programmable

between 200kHz and 1MHz and is synchronizable to an

external clock. The LT3596 also provides maximum LED

brightness while adhering to manufacturers’ specifica-

tions for thermal derating. The derate temperature is

programmed by placing a negative temperature coefficient

(NTC) resistor on the master control pin.

The LT3596 adaptively controls V

OUT

in order to achieve

optimal efficiency. Other features include: 1.5% LED current

matching between channels, open LED reporting, shorted

LED pin protection and reporting, programmable LED cur-

rent and programmable temperature protection.

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation and True Color PWM is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

300mA Buck Regulator, Drives Up to 10 LEDs per

Channel with Fast NPN Current Sources

Fast Current Sources for <1µs Pulse Widths

(10,000:1 True Color PWM™ Dimming at 100Hz)

LEDs Disconnected in Shutdown

Adaptive V

OUT

for Increased Efficiency

6V to 60V Input Voltage Range

±1.5% Accurate LED Current Matching

External Resistors Set LED Current for Each Channel

Requires No External Compensation

Programmable Switching Frequency (200kHz to 1MHz)

Synchronizable to External Clock

Open, Short LED Detection and Reporting

Programmable LED Thermal Derating and Reporting

Programmable Temperature Protection

5mm

8mm Thermally Enhanced QFN Package with

0.6mm High Voltage Pin Spacing

applicaTions

LED Billboards and Signboards

Mono, Multi, Full Color LED Displays

Large Screen Display LED Backlighting

Automotive, Industrial and Medical Displays

Typical applicaTion

48V 1MHz Step-Down 8W, 100mA LED Driver (Eight White LEDs per Channel)

48V

10µF

270k

EN/UVLO BOOST

91k

SYNC

33.2k

PWM1

PWM2

PWM3

CTRL1

CTRL2

CTRL3

PWM1

PWM2

PWM3

CTRL1

CTRL2

CTRL3

LED1

LED2

LED3

3696 TA01a

BIAS

4.7µF

100nF 100µH

BIAS

LT3596

SYNC

GND

OUT

100k

3.65k

4.7µF

OUT

10,000:1 PWM Dimming at 100Hz

28V

PER LED

STRING

PWM

2V/DIV

LED

50mA/DIV

BIAS

100k

FAULT

90.9k

10k

FAULT

REF

TSET

CTRLM

200ns/DIV

3596 TA01b

SET1

SET2

SET3

20k

49.9k

100k

3596fa

LT3596EUHG#TRPBF Related Products

	LT3596EUHG#TRPBF	LT3596IUHG#PBF	LT3596IUHG#TRPBF	LT3596EUHG#PBF
Description	IC LED DRIVER RGLTR DIM 52QFN	IC LED DRIVER RGLTR DIM 52QFN	IC LED DRIVER RGLTR DIM 52QFN	IC LED DRIVER RGLTR DIM 52QFN
Brand Name	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	conform to	conform to	conform to	conform to
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	QFN	QFN	QFN	QFN
package instruction	HVQCCN, LCC39/52,.2X.3,16	HVQCCN, LCC39/52,.2X.3,16	HVQCCN, LCC39/52,.2X.3,16	HVQCCN, LCC39/52,.2X.3,16
Contacts	52	52	52	52
Manufacturer packaging code	UHG	UHG	UHG	UHG
Reach Compliance Code	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99
Interface integrated circuit type	LED DISPLAY DRIVER	LED DISPLAY DRIVER	LED DISPLAY DRIVER	LED DISPLAY DRIVER
JESD-30 code	R-PQCC-N52	R-PQCC-N52	R-PQCC-N52	R-PQCC-N52
JESD-609 code	e3	e3	e3	e3
length	8 mm	8 mm	8 mm	8 mm
Humidity sensitivity level	1	1	1	1
Multiplex display function	NO	NO	NO	NO
Number of functions	1	1	1	1
Number of segments	3	3	3	3
Number of terminals	52	52	52	52
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN	HVQCCN	HVQCCN
Encapsulate equivalent code	LCC39/52,.2X.3,16	LCC39/52,.2X.3,16	LCC39/52,.2X.3,16	LCC39/52,.2X.3,16
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	225	225	NOT SPECIFIED	NOT SPECIFIED
power supply	24 V	24 V	24 V	24 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	0.8 mm	0.8 mm	0.8 mm
Maximum supply voltage	55 V	55 V	55 V	55 V
Minimum supply voltage	6 V	6 V	6 V	6 V
Nominal supply voltage	24 V	24 V	24 V	24 V
surface mount	YES	YES	YES	YES
technology	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Temperature level	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	0.8 mm	0.8 mm	0.8 mm	0.8 mm
Terminal location	QUAD	QUAD	QUAD	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	5 mm	5 mm	5 mm	5 mm
minfmax	1 MHz	1 MHz	1 MHz	1 MHz
Base Number Matches	1	1	1	1

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