ZLED7022ZI1R ZMDI, ZLED7022ZI1R Datasheet

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Data Sheet Rev. 1.0 / November 2010 ZLED7022 Low-Voltage Six-Channel LED Driver ...

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ZLED7022 Low-Voltage Six-Channel LED Driver Brief Description The ZLED7022, one of our ZLED family of LED control ICs low-noise, constant-frequency charge pump DC/DC converter that can drive up to six LED channels, providing a programmable constant current level ...

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... Floor, Shinbashi Tokyu Bldg. 4-21-3, Shinbashi, Minato-ku Tokyo, 105-0004 Japan +1 (608) 829-1987 Phone +81.3.6895.7410 +1 (631) 549-2882 Fax +81.3.6895.7301 Package UTQFN12 (2x2)mm - Tape & Reel Kit LED_Drivers@zmdi.com ZMD FAR EAST, Ltd. 3F, No. 51, Sec. 2, Keelung Road 11052 Taipei Taiwan Phone +886.2.2377.8189 Fax +886.2.2377.8199 . ...

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ZLED7022 Low-Voltage Six-Channel LED Driver Contents 1 IC Characteristics .......................................................................................................................................................... 6 1.1. Absolute Maximum Ratings ................................................................................................................................... 6 1.2. Operating Conditions ............................................................................................................................................. 6 1.3. Electrical Parameters ............................................................................................................................................. 6 1.4. Typical Performance Graphs ................................................................................................................................. 7 2 Circuit Description ......................................................................................................................................................... 9 2.1. Block ...

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ZLED7022 Low-Voltage Six-Channel LED Driver List of Figures Figure 1.1 Operating Current I CC Figure 1.2 LED Current over Supply Voltage V Figure 1.3 Shutdown Current I SD Figure 1.4 Current I over Temperature Range (-40°C to +85°C) .................................................................................. 8 ...

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ZLED7022 Low-Voltage Six-Channel LED Driver 1 IC Characteristics 1.1. Absolute Maximum Ratings No. PARAMETER 1.1.1 Input voltage referenced to ground 1.1.2 EN/SET voltage referenced to ground 1.1.3 Maximum soldering temperature 1.1.4 Maximum Thermal Resistance 1.1.5 Junction temperature 1.2. Operating Conditions ...

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ZLED7022 Low-Voltage Six-Channel LED Driver No. PARAMETER 1.3.6 Enable threshold low 1.3.7 Enable threshold high 1.3.8 EN/SET low time 1.3.9 Minimum EN/SET high time T 1.3.10 Maximum EN/SET high time T 1.3.11 EN/SET off timeout * 1.3.12 EN/SET latch timeout ...

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ZLED7022 Low-Voltage Six-Channel LED Driver Figure 1.2 LED Current over Supply Voltage V Figure 1.3 Shutdown Current I SD Figure 1.4 Current I over Temperature Range (-40°C to +85°C) CC © 2010 Zentrum Mikroelektronik Dresden AG - Rev. 1.0 Data ...

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ZLED7022 Low-Voltage Six-Channel LED Driver Figure 1.5 Efficiency (%) over the V 2 Circuit Description 2.1. Block diagram 2.2. ZLED7022 Overview The ZLED7022 is a low-noise, constant-frequency charge pump DC/DC converter for driving up to six LEDs with constant current ...

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ZLED7022 Low-Voltage Six-Channel LED Driver The current sinks [D5:D0] are controlled by the PCC serial data input on the EN/SET pin. Data is written to an internal data register that sets the outputs to one of 14 current levels. The ...

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ZLED7022 Low-Voltage Six-Channel LED Driver 2.6. PCC Serial Digital Interface The ZLED7022 detects the rising edges of the control signal input on the EN/SET pin via an internal counter and decodes the signal into one of the 14 current level ...

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ZLED7022 Low-Voltage Six-Channel LED Driver 4 Application Circuit Design 4.1. Applications The ZLED7022 is designed for white or other color LED applications requiring a controlled LED current that is generated from a varying input voltage. Typical applications include main/sub LCD ...

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ZLED7022 Low-Voltage Six-Channel LED Driver Select a pump capacitor value in the range of 0.47µF to 2.2µF depending on output current requirements; 1µF is recom- mended for most applications. When designing the circuit to operate at high levels of output ...

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ZLED7022 Low-Voltage Six-Channel LED Driver Table 6.1 Layout Requirements and Pin Descriptions - 12-pin UTQFN Package Pin No. Name D0 1 LED output channel; pin must be used. Vout 2 Charge pump output that drives load circuits; a 2.2μF (typical) ...

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... Floor, Shinbashi Tokyu Bldg. 4-21-3, Shinbashi, Minato-ku Tokyo, 105-0004 Japan +1 (608) 829-1987 Phone +81.3.6895.7410 +1 (631) 549-2882 Fax +81.3.6895.7301 Package UTQFN12 (2x2)mm - Tape & Reel Kit LED_Drivers@zmdi.com ZMD FAR EAST, Ltd. 3F, No. 51, Sec. 2, Keelung Road 11052 Taipei Taiwan Phone +886.2.2377.8189 Fax +886.2.2377.8199 . ...