Agamem Microelectronics Inc.

AA1700

PRELIMINARY

Constant Current White LED driver

©Copyright Agamem Microelectronics Inc.

www.agamem.com.tw

2007/1/22

3

■ABSOLUTE MAXIMUM RATINGS

(Ta = +25°C)

Rating

Unit

Parameter

Symbol

Condition

Min

Max

Power supply voltage

—

16

V

Output source current

—

—

–50

mA

Output sink current

—

50

mA

Allowable dissipation

Ta ≤ +25° C

—

430*

mW

Operating temperature

—

–30

+85

Storage temperature

–55

+125

WARNING:

Semiconductor devices can be permanently damaged by application of stress (voltage, current,

temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.

■RECOMMENDED OPERATING RANGE

(Ta = +25

。

C)

Value

Parameter

Symbol

Min

Typ

Max

Unit

Power supply voltage

1.8

—

15

V

Error amplifier input voltage

–0.2

—

1.0

V

CTL pin input voltage

–0.2

—

V

Output source current

–40

—

—

mA

Output sink current

—

—

40

mA

SP pin capacitance

—

0.1

—

µ F

Phase compensation capacitance

—

0.1

—

µ F

Output current setting resistance

150

390

5000

Ω

Timing resistance

1.0

3.0

10.0

kΩ

Timing capacitance

100

270

10000

pF

Oscillation frequency

10

500

1000

kHz

Operating temperature

–30

+25

+85