SP6682 Sipex Corporation, SP6682 Datasheet
SP6682
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SP6682 Summary of contents
Page 1
... Output current or voltage can be accurately regulated by modulating the switcher between the charge pump and output capacitor. In shutdown mode, the IC disconnects the output from the input and draws less than 1.5µA current. The SP6682 is offered in a 10-pin MSOP package, and a small 10-Pin DFN Package. ...
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... FB Pin Current V Turn-On Time OUT Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability ...
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... MODE COMP V MODE FB Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs DESCRIPTION Regulated charge pump output. Positive terminal to the charge pump flying capacitor C2. Input pin for the 2.7V to 5.5V supply voltage. Charge pump mode program pin. When V X1.5 charge pump is used. Otherwise, charge pump switches to X2 mode ...
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... Figure 1. Output voltage turn-on time OUT Figure 3. X2 mode voltage ripple when OUT Figure 5. X1.5 mode voltage ripple when V Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs PERFORMANCE CHARACTERISTICS = 25° 60mA unless otherwise specified. AMB O 90 5V/DIV 80 70 1V/DIV 60 ...
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... X1.5 boost mode to X2 boost mode based on battery input voltage for optimal efficiency and performance. The SP6682 is able to efficiently drive up to six 20mA white LEDs in parallel and maintain a constant brightness over a very wide operating voltage range (2.7V to 5.5V). The SP6682 oper- ates with an internal 600kHz clock, enabling the use of small external components ...
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... FB 3-wire W-LED module GND Fig 10. 3-wire white LED module In figure 11, SP6682 was used to drive a 2-wire white LED module without internal series resis- tors as a current source. The bias resistor R selected to regulate the total current of the white LED module instead of the current of single LED as in figure 9 ...
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... B I LED (TOTAL) where I is the total operating current LED(TOTAL) of all the white LEDs. To use SP6682 as a voltage source for fixed voltage applications, a voltage divider is need to program the ouput voltage, as shown in figure 12. The output voltage is set by the ratio of the two V OUT 1 ...
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... F1 F2 white LEDs. Since the brightness of the white LED is propor- Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs APPLICATION INFORMATION capacitors could further reduce the input and output ripple. Refer to Table 1 for some suggested low ESR capacitors. ...
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... SI1304 V C2N MODE SOT23 FB EN/PWM 25V 10uF R3 1M X5R Ceramic EN/PWM Figure 15. Using SP6682 as a High Voltage White LED Driver V OUT 10 1 C1P 2 SP6682 Pin DFN V MODE Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs ...
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... DIMENSIONS IN MILLIMETERS Seating Plane NOM MAX - 1.1 - 0.15 0.85 0.95 - 0.27 - 0.23 WITH PLATING 0.60 0.80 - 0.95 0. 8º - 15º SP6682 High Efficiency Charge Pump Regulator for White LEDs 10 PACKAGE: 10 PIN MSOP Ø Ø (b) c BASE METAL © Copyright 2004 Sipex Corporation Gauge Plane Ø A ...
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... MIN NOM MAX A 0.80 0.90 A1 0.02 0. 0.20 REF 0.18 0.25 0. 3.00 BSC D2 2. 0.50 PITCH E 3.00 BSC E2 1. 0.30 0.40 0.50 Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs E 1.00 A 2.70 1. PACKAGE: 10 PIN DFN Bottom View Side View 10 PIN DFN © Copyright 2004 Sipex Corporation ...
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... Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. Date: 5/5/04 SP6682 High Efficiency Charge Pump Regulator for White LEDs ORDERING INFORMATION Operating Temperature Range ...