AL8400SE-7 datasheet(3/12 Pages) DIODES

Part #	AL8400SE-7

Description	0.2V LINEAR LED DRIVER CONTROLLER

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Manufacturer	DIODES [Diodes Incorporated]

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3 / 12 page

AL8400

0.2V LINEAR LED DRIVER CONTROLLER

AL8400

Document number: DS35115 Rev. 1 - 2

3 of 12

www.diodes.com

December 2010

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Units

VCC

Supply voltage range (-40 to 125°C)

2.2

18

V

VOUT

OUT voltage range

0.2

18

IOUT

OUT pin current

0.3

15

mA

TA

Operating ambient temperature range

-40

125

°C

Electrical Characteristics (TA = 25°C, Vdd = 3V; unless otherwise specified)

Operating conditions: TA = 25°C, VCC= 12V, VOUT = VFB, IOUT = 1mA unless otherwise stated (Note 1).

Symbol Parameter

Conditions

Min.

Typ.

Max.

Units

VFB

Feedback voltage

TA = 25°C

0.194

0.2

0.206

V

TA = -40 to 125°C

0.190

0.210

FBLOAD

Feedback pin load regulation

IOUT = 1 to 15mA

TA = 25°C

3.1

6

mV

TA = -40 to 125°C

10

FBLINE

Feedback pin line regulation

VCC = 2.2V to 18V

TA = 25°C

0.1

1.5

mV

TA = -40 to 125°C

2

FBOVR

Output voltage regulation

VOUT = 0.2V to 18V, IOUT =1mA

(Ref. Figure 1)

TA = 25°C

2

mV

TA = -40 to 125°C

3

IFB

FB input bias current

VCC = 18V

TA = 25°C

-45

nA

TA = -40 to 125°C

-200

0

ICC

Supply current

VCC = 2.2V to 18V, IOUT =10mA

TA = 25°C

0.48

1

mA

TA = -40 to 125°C

1.5

IOUT(LK)

OUT leakage current

VCC = 18V, VOUT = 18V,

VFB =0V

TA = 25°C

0.1

µA

TA = 125°C

1

ZOUT

Dynamic Output Impedance

IOUT = 1 to 15mA

f < 1kHz

TA = 25°C

0.25

0.4

Ω

TA = -40 to125°C

0.6

PSRR

Power supply rejection ratio

f = 300kHz, VAC= 0.3VPP

TA = 25°C

45

dB

BW

Amplifier Unity Gain Frequency

TA = 25°C

600

kHz

G

Amplifier Transconductance

TA = 25°C

4500

mA/V

Note:

1. Production testing of the device is performed at 25

°C. Functional operation of the device and parameters specified over the operating temperature

range are guaranteed by design, characterisation and process control.

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