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AL8400SE-7 Datasheet(PDF) 3 Page - Diodes Incorporated |
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AL8400SE-7 Datasheet(HTML) 3 Page - Diodes Incorporated |
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 © Diodes Incorporated 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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