LTC3216EDE#PBF Linear Technology, LTC3216EDE#PBF Datasheet
LTC3216EDE#PBF
Specifications of LTC3216EDE#PBF
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LTC3216EDE#PBF Summary of contents
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... LED current source and switching modes only when I LED in a small 3mm × 4mm 12-Lead DFN package. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 6411531. C CPO 4.7μ ...
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... Storage Temperature Range ................... –65°C to 125°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC3216EDE#PBF LTC3216EDE#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER 2x Mode Output Impedance CLK Frequency CPO Short-Circuit Detection Threshold Voltage Test Current EN1, EN2 High Level Input Voltage ( Low Level Input Voltage ( ...
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LTC3216 TYPICAL PERFORMANCE CHARACTERISTICS 1x Mode Charge Pump Open- Loop Output Resistance vs Temperature 0. 200mA CPO 0. 3. 3.9V 0.25 IN 0.23 0.21 0.19 0.17 0.15 –40 ...
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TYPICAL PERFORMANCE CHARACTERISTICS 2x Mode CPO Output Ripple V CPO 20mV/DIV A/C COUPLED V = 3.6V 500ns/DIV 400mA CPO PIN FUNCTIONS + + – – (Pins 1, 2, 10, 12): ...
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LTC3216 BLOCK DIAGRAM OSCILLATOR EN2 8 CONTROL LOGIC EN1 7 11 GND OPERATION The LTC3216 uses a fractional switched capacitor charge pump to power a high current LED with a programmed regulated current. The part starts up ...
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OPERATION connected between the SET2 SET1 resistor values needed to attain the desired current levels can be determined by equation 3965/I SET1/2 LED A resistor value of 2kΩ or less (i.e. a short-circuit) will ...
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LTC3216 OPERATION whenever a dropout condition is detected at the I In the LOW current mode, the part will wait approximately 150ms after dropout is detected before switching to the next mode. In the HIGH and LOW + HIGH current ...
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APPLICATIONS INFORMATION 10nH V IN 0.1μF 2.2μF GND Figure 2. 10nH Inductor Used for Input Noise Reduction (Approximately 1cm of Wire) Flying Capacitor Selection Warning: Polarized capacitors such as tantalum or alumi- num should never be used for the fl ...
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LTC3216 APPLICATIONS INFORMATION LED forward voltage. When it is operating as a switch, the effi ciency is approximated by •I V LED = LED LED LED P V • since the input current ...
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... ON THE TOP AND BOTTOM OF PACKAGE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. DE Package 12-Lead Plastic DFN (4mm × ...
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... I 6μA OUT(MAX 5.5V 50uA, I < 1μA OUT(MAX 5.5V 50uA, I < 1μA OUT(MAX 2.7V to 4.5V 2.5mA, I < 6μA IN(MAX 40V 1.2mA, I < 1μA OUT(MAX 40V 5mA, I < 1μA OUT(MAX 0208 REV C • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2004 3216fc ...