TB62731FUG 데이터 시트보기 (PDF) - Marktech Optoelectronics

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TB62731FUG

Step-up DC-DC Converter for White LED Driver

Marktech Optoelectronics 

TB62731FUG

Absolute Maximum Ratings (unless otherwise specified, Topr = 25°C)

Characteristics

Symbol

Rating

Unit

Supply voltage

Input voltage

Pin A (anode) current

Pin A voltage

Power dissipation

Saturation thermal resistance

Operating temperature range

Storage temperature range

Maximum junction temperature

VCC

VIN

Io (A)

Vo (A)

PD

Rth (j-a) 1

Rth (j-a) 2

Topr

Tstg

Tj

−0.3~+6.0

−0.3~+VCC + 0.3

+270

−0.3~+28

0.41 (IC only)

0.47 (IC mounted on PCB)

(Note)

300 (IC only)

260 (IC mounted on PCB)

−40~+85

−40~+150

125

V

V

mA

V

W

°C/W

°C

°C

°C

Note: The power dissipation is derated by 3.8 mW/°C from the maximum rating for every 1°C exceeding the ambient

temperature of 25°C (when the IC is mounted on a PCB).

Recommended Operating Conditions (unless otherwise specified, Topr = −40~85°C)

Characteristics

Symbol

Test

circuit

Test condition

Min Typ. Max Unit

Supply voltage

SHDN pin high-level input voltage

VCC

⎯

VIH

⎯

⎯

3.0

⎯

4.3

V

⎯

VCC −

0.5

⎯

VCC

V

SHDN pin low-level input voltage

VIL

⎯

⎯

0

⎯

0.5

V

SHDN pin high-level input pulse width tpw SHDN ⎯

⎯

500 ⎯

⎯

µs

Set LED current (mean)

Io

⎯ Vo (A) = VIN 3.0 V, VOUT 16 V

5

⎯

20

mA

3

2004-09-14

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