L5200 Unisonic Technologies, L5200 Datasheet
L5200
Related parts for L5200
L5200 Summary of contents
Page 1
... LED application. The operating voltage range is 2. input with up to 100mA of output current. Low external parts counts (one flying capacitor and two small bypass capacitors make the UTC L5200-xx series ideally suited for small, OUT battery-powered applications. A charge-pump architecture frequency to zero load and reduces both output and input ripple ...
Page 2
... Flying Capacitor Negative Terminal Ground terminal, should be tied to a ground plane for best GND performance Shutdown Mode, Active-Low Input. A low on SHDN L5200 series. SHDN Feedback Input Pin for Adjustable output. An output divider should be FB connected from V OUT Regulated Output Voltage, should be bypassed with a 1µF~4.7µF low ...
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... L5200 BLOCK DIAGRAM UTC L5200 Adjustable version (MSOP- OUT V IN UTC L5200 fixed version (SOT-26/TSOT-26) V OUT V IN UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw SWITCH SOFT - START CONTROL - ERROR OSCILLATOR AMPLIFIER 1.268V + CHARGE PUMP SGND PGND SWITCH SOFT - START CONTROL OSCILLATOR _ ERROR AMPLIFIER 1 ...
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... Feedback Voltage (For L5200-ADJ) Output Ripple Voltage(For L5200-fixed) Operating Supply Current Shutdown Current Shutdown Input Current Feedback Input Current (For L5200-ADJ) Open-Loop Output Resistance Switching Frequency Efficiency (For UTC L5200-fixed) Soft Start Time Note: * stand for specifications which apply over the designed operating temperature range. ...
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... OUT 1 μF 1 μF 2 GND 3 SHDN OFF ON UTC L5200-5.0V White or Blue LED Driver with LED Current Control ( UTC L5200-ADJ 4. Ion 1μF BATTERY ON OFF ( APPLY PWM WAVEFORM FOR ADJUSTABLE BRIGHTNESS CONTROL ) USB Port to Regulated 5V Power Supply ( UTC L5200-5.0V) USB Port 1μF UNISONIC TECHNOLOGIES CO., LTD www ...
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... L5200 TYPICAL CHARACTERISTICS (L5200-5.0V) Output Voltage vs Supply Voltage 5. 1μF IN OUT FLY I = 20mA OUT 5. 85℃ 5. 25℃ -40℃ a 4.95 4.90 4.85 2.7 3.0 3.3 3.6 Supply Voltage (V) No Load Supply Current vs Supply Voltage 1μF IN OUT FLY SHDN 25℃ 85℃ ...
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... L5200 TYPICAL CHARACTERISTICS (L5200-5.0V) (cont.) Short Circuit Current vs Supply Voltage 250 200 150 100 3.0 3.3 3.6 2.7 Supply Voltage (V) Output Ripple V (AC OUT COUPLED) 20mV/DIV C = 1μF OUT C = 3.3μF OUT C = 10μF OUT 200ns/DIV 100mA L UTC assumes no responsibility for equipment failures that result from using products at values that ...