LT3465AES6#PBF Linear Technology, LT3465AES6#PBF Datasheet
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LT3465AES6#PBF
Specifications of LT3465AES6#PBF
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LT3465AES6#PBF Summary of contents
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... Just 0.22µF is required for 3 5-LED applications. The LT3465 and LT3465A are available in the low profile (1mm) 6-lead SOT-23 (ThinSOT , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. 82 ...
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LT3465/LT3465A ABSOLUTE AXI U RATI GS (Note 1) Input Voltage (V ) ................................................. 16V IN SW Voltage ............................................................. 36V FB Voltage ................................................................ 2V CTRL Voltage .......................................................... 10V Operating Temperature Range (Note 2) .. – 40°C to 85°C ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Switch Saturation Voltage (V CESAT 450 T = 25°C A 400 350 300 250 200 150 100 100 150 200 250 300 350 SWITCH CURRENT (mA) 3465A G01 V ...
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LT3465/LT3465A W U TYPICAL PERFOR A CE CHARACTERISTICS Feedback Voltage 210 208 206 204 202 200 198 196 194 192 190 –50 –30 – TEMPERATURE (°C) 3465A G09 V = 3.6V, 4 LEDs IN 85 ...
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CTIO S V (Pin 1): Output Pin. Connect to output capacitor and OUT LEDs. Minimize trace between this pin and output capaci- tor to reduce EMI. GND (Pin 2): Ground Pin. Connect directly to local ...
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LT3465/LT3465A W BLOCK DIAGRA – 200mV V + REF 1.25V + 10k CTRL 40k 4 6 COMPARATOR – Σ RAMP GENERATOR 1.2MHz* OSCILLATOR *2.4MHz FOR LT3465A Figure 2. ...
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U U APPLICATIO S I FOR ATIO Operation The LT3465 uses a constant frequency, current mode control scheme to provide excellent line and load regula- tion. Operation can be best understood by referring to the block diagram in Figure 2. ...
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LT3465/LT3465A U U APPLICATIO S I FOR ATIO skipping using a 1k resistor from FB to GND. The photo in Figure 3b details circuit operation driving three white LEDs at a 0.2mA load. Peak inductor current is less than 30mA. ...
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U U APPLICATIO S I FOR ATIO Soft-Start (LT3465) The LT3465 has an internal soft-start circuit to limit the input current during circuit start-up. The circuit start-up waveforms are shown in Figure 5. I 50mA/DIV IN V 5V/DIV OUT V ...
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LT3465/LT3465A U U APPLICATIO S I FOR ATIO lower than the frequency of the PWM signal. R1 needs to be much smaller than the internal impedance in the CTRL pin, which is 50kΩ resistor is suggested. LT3465/ R1 ...
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U U APPLICATIO S I FOR ATIO case. The Average FB Voltage vs PWM Duty Cycle curves of different PWM frequencies with different output ca- pacitors are shown in Figures 7c and 7d respectively. For PWM frequency lower than 1kHz, ...
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LT3465/LT3465A U U APPLICATIO S I FOR ATIO Open-Circuit Protection The LT3465 and LT3465A have an internal open-circuit protection circuit. In the cases of output open circuit, when the LEDs are disconnected from the circuit or the LEDs fail, the ...
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U TYPICAL APPLICATIO S L1 22µ OUT LT3465/ 1µF LT3465A CTRL FB GND C : TAIYO YUDEN JMK107BJ105 AVX 0603ZD105 OUT L1: MURATA LQH32CN220 L1 22µ ...
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LT3465/LT3465A U TYPICAL APPLICATIO L1 22µ OUT LT3465/ 1µF LT3465A CTRL GND C : TAIYO YUDEN JMK107BJ105 TAIYO YUDEN GMK212BJ224 OUT L1: MURATA LQH32CN220 14 Li-Ion to Five ...
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PACKAGE DESCRIPTIO 0.62 0.95 MAX REF 3.85 MAX 2.62 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 0.20 BSC DATUM ‘A’ 0.30 – 0.50 REF NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIVE ...
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... OUT(MIN) Q SHDN : 2.5V to 5.5V 0.6V 20µA, IN OUT(MIN 2.5V to 5.5V 0.6V 40µA, IN OUT(MIN 2.5V to 5.5V 0.8V 60µA, IN OUT(MIN 2.5V to 5.5V 0.8V 60µA, IN OUT(MIN 2.5V to 5.5V 2.5V 25µA, IN OUT(MIN) Q LT/LT 0805 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2005 : <1µA, 3465afa ...