TB62726ANG datasheet(7/18 Pages) MARKTECH

Part #	TB62726ANG

Description	16-bit Constant-Current LED Driver with Operating Voltage of 3.3-V and 5-V

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Manufacturer	MARKTECH [Marktech Corporate]

Direct Link	http://www.marktechopto.com

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TB62726ANG/AFG

2005-12-21

6

Electrical Characteristics (Topr = 25°C, VDD = 3.0 V to 5.5 V unless otherwise specified)

Characteristics

Symbol

Conditions

Min

Typ.

Max

Unit

Supply voltage

VDD

Normal operation

3.0

⎯

5.5

V

IOUT1

VOUT = 0.4 V,

VDD = 3.3 V

31.96

36.20

40.54

IOUT2

VOUT = 0.4 V,

VDD = 5 V

REXT = 490 Ω

31. 59

35.90

40.20

IOUT3

VOUT = 0.7 V,

VDD = 3.3 V

63.63

72.30

80.97

Output current

IOUT4

VOUT = 0.7 V,

VDD = 5 V

REXT = 250 Ω

62.75

71.30

79.95

mA

∆IOUT1

VOUT ≥ 0.4 V,

All outputs ON

REXT = 490 Ω

Output current error between bits

∆IOUT2

VOUT ≥ 0.4 V,

All outputs ON

REXT = 250 Ω

⎯

±1

±4

%

Output leakage current input voltage

IOZ

VOUT = 15.0 V

⎯

1

µA

⎯

0.7

VDD

⎯

VDD

Input voltage

VIN

⎯

GND

⎯

0.3

VDD

V

IOL = 1.0 mA, VDD = 3.3 V

⎯

0.3

VOL

IOL = 1.0 mA, VDD = 5 V

⎯

0.3

IOH = − 1.0 mA, VDD = 3.3 V

3

⎯

SOUT terminal voltage

VOH

IOH = 1.0 mA, VDD = 5 V

4.7

⎯

V

Output current

Supply voltage

Regulation

%/VDD

When VDD is changed 3 V to 5.5 V

⎯

−1

−5

%

Pull-up resistor

R (Up)

ENABLE terminal

Pull-down resistor

R (Down)

LATCH terminal

115

230

460

k

Ω

IDD (OFF) 1

VOUT = 15.0 V

REXT = OPEN

⎯

0.1

0.5

IDD (OFF) 2

VOUT = 15.0 V,

All outputs OFF

REXT = 490 Ω

1

3.5

5

IDD (OFF) 3

VOUT = 15.0 V,

All outputs OFF

REXT = 250 Ω

4

6

9

VOUT = 0.7 V,

All outputs ON

REXT = 490 Ω

⎯

9

15

IDD (ON) 1

Same as the above, Topr = −40°C

⎯

20

VOUT = 0.7 V,

All outputs ON

REXT = 250 Ω

⎯

18

25

Supply current

IDD (ON) 2

Same as the above, Topr = −40°C

⎯

40

mA

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