TPS92630-Q1 datasheet(9/39 Pages) TI1

Part #	TPS92630-Q1

Description	Three-Channel Linear LED Driver With Analog and PWM Dimming

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Manufacturer	TI1 [Texas Instruments]

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Ambient Temperature (GC)

-40

-25

-10

5

20

35

50

65

80

95

110 125

149.6

149.7

149.8

149.9

150

150.1

150.2

150.3

150.4

150.5

D009

IOUT CH1

IOUT CH2

IOUT CH3

Junction Temperature (GC)

80

100

120

140

160

180

200

0

0.2

0.4

0.6

0.8

1

1.2

1.4

D010

TPS92630-Q1, TPS92631-Q1

www.ti.com

SLVSC76B – FEBRUARY 2014 – REVISED JANUARY 2015

Typical Characteristics (continued)

I(setting)= 150 mA

V(VIN) = 14 V

A

Figure 7. Output Current vs Ambient Temperature

Figure 8. Reference Voltage vs Junction Temperature With

Thermal Foldback

Ch. 1 = PWM input

Ch. 2 = IOUT1

Ch. 3 = IOUT2

Ch. 1 = PWM input

Ch. 2 = IOUT1

Ch. 3 = IOUT2

Ch. 4 = IOUT3

f(PWM) = 200 Hz

Duty cycle = 10%

Ch. 4 = IOUT3

f(PWM) = 200 Hz

Duty cycle = 50%

Figure 9. PWM Dimming

Figure 10. PWM Dimming

Ch. 1 = PWM input

Ch. 2 = IOUT1

Ch. 3 = IOUT2

Ch. 1 = PWM input

Ch. 2 = IOUT1

Ch. 3 = IOUT2

Ch. 4 = IOUT3

f(PWM) = 200 Hz

Duty cycle = 90%

Ch. 4 = IOUT3

f(PWM) = 2000 Hz

Duty cycle = 10%

Figure 11. PWM Dimming

Figure 12. PWM Dimming

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