TLD5045EJ Infineon Technologies, TLD5045EJ Datasheet

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TLD5045EJ

Manufacturer Part Number
TLD5045EJ
Description
Manufacturer
Infineon Technologies
Datasheet

Specifications of TLD5045EJ

Packages
PG-DSO-8
Topology
DC-DC Buck
Vs (min)
5.0 V
Vs (max)
40.0 V
Vq (max)
-
Iq (max)
700.0 mA
®
I n f i n e o n
P o w e r L E D D r i v e r
T L D 5 0 4 5 E J
7 0 0 m A H i g h I n t e g r a t i o n - D C / D C S t e p -
D o w n C o n v e r t e r
D a t a s h e e t
Rev. 1.0, 2011-05-27
A u t o m o t i v e P o w e r

Related parts for TLD5045EJ

TLD5045EJ Summary of contents

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... TLD5045 in a Body Control Module (BCM) with µC Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 8.3.2 Decentralized Light Module Application - DLM (Input configuration 8.3.3 Decentralized Light Module Application - DLM (Input configuration 8.3.4 Decentralized Light Module Application - DLM (Input configuration Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 10 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Datasheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 SET 2 TLD5045EJ Table of Contents Rev. 1.0, 2011-05-27 ...

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... Automotive LED driven Exterior Lighting: Brake, Tail, CHMSL, Daytime Running Light, Position Light • Automotive LED driven Interior Lighting: Reading Light, Dome Light, Display Backlighting Type TLD5045EJ Datasheet (supply voltage) feedforward REC Package PG-DSO TLD5045EJ PG-DSO-8 EP Marking TLD5045 Rev. 1.0, 2011-05-27 ...

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... REC EN FREQ 6 3 ON/OFF Logic OFF-Time Control Power- Switch Driver Logic Peak Current Measurement Peak Current Adjustment 4 SET 4 TLD5045EJ Block Diagram the switch is shut- peak is fixed by RC network OFF as well. Refer to Chapter 8.2 REC VREC 1 Internal UV+OV Supply Lockout SW 8 Power Switch ...

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... Chapter 6 6 FREQ FREQuency Select Input; Connect external Resistor and Capacitor to GND to set the OFF-time of the switching frequency. 7 GND Ground; Connect to system ground. Datasheet TLD5045 for more details. for more details. 5 TLD5045EJ Pin Configuration GND 6 FREQ 5 PWMI Rev. 1.0, 2011-05-27 ...

Page 6

... Pin Symbol Function 8 SW Integrated Power-Switch Output; Collector of the integrated NPN-power transistor. EP Exposed Pad; Connect to external heatspreading copper area with electrically GND (e.g. inner GND layer of the PCB via thermal vias) Datasheet 6 TLD5045EJ Pin Configuration Rev. 1.0, 2011-05-27 ...

Page 7

... V -0.3 45 REC V -0 – 150 -0.3 6 SET V -0.3 6 PWMI V -0.3 6 FREQ V -0 -40 150 j T -55 150 stg ESD,HBM 7 TLD5045EJ Unit Conditions V – V – mA – V – V – V – V – V – °C – °C – HBM Rev. 1.0, 2011-05-27 ...

Page 8

... OUT 300 SW T -40 150 j Symbol Limit Values Min. Typ. Max. R – 10 – thJ-case R – 40 – thJA 8 TLD5045EJ General Product Characteristics Unit Conditions parameter deviations possible V – mA – T kHz = 25°C to 150°C j °C – Unit Conditions K/W Rev. 1.0, 2011-05-27 ...

Page 9

... V 1.16 1.225 1.29 SET I 5 – FREQ V – 3.2 FREQ,HIGH V – 1.2 FREQ,LOW must be greater than dON dOFF 9 TLD5045EJ Electrical Characteristics Unit Conditions Max. I – V =100mA peak I – V =700mA peak I – V =100mA peak I – V =700mA peak – A – 550 ...

Page 10

... ST pull- ST pull-down transistor OFF down ON Figure 3 Over- and Undervoltage Protection Datasheet q, EC,OVoff V REC,UVhyst V REC,U Von ST pull- down ON 10 TLD5045EJ , the power stage is REC,UVOFF ). the power stage is restarted REC,UVON . REC Figure 3 below. V REC,OVhyst V ST pull-down transistor OFF down ON Rev. 1.0, 2011-05-27 REC,OVon ...

Page 11

... R,C network) A detailed description of the PWMI pin is displayed in V PWMI V PWMI,OFF V PWMI,ON SW OFF ON Figure 4 PWMI Pin description Datasheet Enable, Dimming Function and Thermal Protection Figure 4 below. PWMI OFF DC=0% Internal PWM PWMI ON DC=100% SW- SW OFF TLD5045EJ SW OFF SW - OFF ON Rev. 1.0, 2011-05-27 t ...

Page 12

... I 0 – 20 EN,lo V – 1 – PWMI,ON V – 2 – PWMI,OFF I – 250 – PWMI T 150 175 – j,sd T – 15 – j,sd_hyst 12 TLD5045EJ Unit Conditions V µ 16V REC 5.0V 0mA (open load); peak V = 16V REC 5.0V 700mA peak V = 16V REC V – ...

Page 13

... The PWMI pin can be used for PWM dimming commonly practiced dimming method to prevent color shift in LED light applications. V PWMI V PWMI,OFF V PWMI,ON I peak SW - OFF Figure 5 Timing Diagram for LED Dimming with µC Datasheet Enable, Dimming Function and Thermal Protection T PWMI t OFF OFF 13 TLD5045EJ OFF Rev. 1.0, 2011-05-27 ...

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... DC PWMI 14 TLD5045EJ and C network it is possible to PWM PWM Figure 15). =7.2V, L =220µH, R =14kΩ. LED SW SET 10% 10% 10% 10% ...

Page 15

... jSD ΔΤ T jSO LED I peak ST ST pull- ST pull-down transistor ON down OFF Figure 7 Overtemperature Behavior Datasheet Enable, Dimming Function and Thermal Protection Figure 7 below OFF ON OFF ON OFF 15 TLD5045EJ OFF Rev. 1.0, 2011-05-27 ...

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... REC j Pos. Parameter 7.2.1 Open Load diagnosis DelayTime 7.2.2 Voltage Drop over internal ST transistor Datasheet Symbol Limit Values Min. Typ. Max – – – 0.3 – Drop,ST 16 TLD5045EJ Open Load Diagnosis ) an OL Unit Conditions µs – =150mA ST Rev. 1.0, 2011-05-27 ...

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... ST pull -down transistor ON Figure 8 Open Load Diagnosis using Internal PWM Mode Datasheet Figure 15 Figure 15). When using such resistors connected between V Open Load High - pull-down transistor OFF 17 TLD5045EJ Open Load Diagnosis for a simplified application S pin REC Rev. 1.0, 2011-05-27 ...

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... Figure 9 Open Load diagnosis via µC connected to ST pin Datasheet is required to signal a logic high signal on the ST pin during an open DD 14. T PWMI OFF ST pull-down transistor ON 18 TLD5045EJ Open Load Diagnosis OFF High - z Open Load pull-down transistor OFF Rev. 1.0, 2011-05- ...

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... The following setup applies for the table displayed in I [mA] R PEAK SET 70 100 35 200 23 300 400 500 12 600 10 700 Figure 10 R Resistor Selection SET Datasheet SET I 1.225V 5710 peak SET Figure 10: V [kΩ TLD5045EJ Application Information values. SET =12V, V =7.2V, L =220µH. REC LED SW Rev. 1.0, 2011-05-27 ...

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... Table SW 20 Application Information an external resistor R REC COMP =12V, V =7.2V, L =220µH, R REC LED SW R COMP C FREQ , C Network FREQ t sw off 6.47 μ s 3.19 μ s 2.12 μ s 1.59 μ s 1.27 μ s 1.06 μ s Rev. 1.0, 2011-05-27 TLD5045EJ can be used. =14kΩ. SET ...

Page 21

... V EN High Low V FREQ V FREQ,high V FREQ,low I LED I =I set peak I ripple I min REC fw V drop Figure 13 Theoretical Operating Waveforms Datasheet Transistor Diode T Diode T 21 TLD5045EJ Application Information t t off down Diode T Diode T Diode Rev. 1.0, 2011-05- ...

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... LED load (refer to SET Figure 12). I VREC FREQ EN 3 SET 4 PWMI TLD5045 22 Application Information and C network must be FREQ FREQ LED GND R C FREQ FREQ 6 R COMP V REC 5 PWM dimming via µC R EMC Rev. 1.0, 2011-05-27 TLD5045EJ Figure 10 ...

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... This is a very simplified example of an application circuit. The function must be verified in the real application Datasheet for a detailed description of the ST behavior Open_load VREC 1 C REC EN 3 PWMI 5 I ST, TLD5045EJ Application Information resistor should be placed SET before the reverse EN I LED GND R C FREQ FREQ FREQ 6 ...

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... ST behavior) T DIM2 VREC I 1 Open_load C R REC PWMI 5 T DIM1 C R PWM PWM R DIM1 I ST, TLD5045EJ Application Information I LED GND R C FREQ FREQ FREQ 6 R COMP V REC SET 4 R SET R TLD5045 PTC Rev. 1.0, 2011-05-27 ...

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... This is a very simplified example of an application circuit. The function must be verified in the real application Datasheet C VREC REC I 1 Open_load LIM PWMI LIM EMC I ST, TLD5045EJ Application Information Figure 15) I LED GND R C FREQ FREQ FREQ 6 R COMP V REC SET 4 R ...

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... For further package information, please visit our website: http://www.infineon.com/packages. Datasheet C 0.08 C 1.27 Seating Plane 0 0 ±0.1 26 TLD5045EJ Package Outlines 0.35 x 45˚ 1) 3.9 ±0 ±0.2 D Bottom View 3 ±0 PG-DSO-8-27-PO V01 Dimensions in mm Rev. 1.0, 2011-05-27 ...

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... Revision History Version Date Changes Rev. 1.0 2011-05-27 Initial Data sheet for TLD5045 Datasheet 27 TLD5045EJ Revision History Rev. 1.0, 2011-05-27 ...

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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life ...

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