LDS8710 IXYS, LDS8710 Datasheet
LDS8710
Specifications of LDS8710
Related parts for LDS8710
LDS8710 Summary of contents
Page 1
... The supply voltage down to 2.7 V for new Li-ion battery chemistries or two alkaline battery cells extends the battery life. Under-voltage protection disables the part when V The LDS8710 has thermal shutdown set at 150 Above this value , the switching. The part resumes normal operations when ...
Page 2
... LDS8710 ABSOLUTE MAXIMUM RATINGS Parameter V voltage SW, LEDS, V voltage OUT HVB EN/SET voltage Storage Temperature Range Junction Temperature Range 8-pin TDFN package Thermal Resistance Soldering Temperature RECOMMENDED OPERATING CONDITIONS Parameter V IN Ambient Temperature Range Typical application circuit with external components is shown on page 1. ...
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... LDS8710 PIN DESCRIPTION Pin # Name 1 V Input Voltage, connect to battery or power supply IN 2 GND Analog Ground 3 PGND Power Ground 4 SW Switch input; Connect inductor terminal to this pin Output voltage; Connect to the LED string anode 5 V OUT terminal to this pin. High Voltage Bypass; Connect a 470 pF capacitor ...
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... LDS8710 TYPICAL CHARACTERISTICS Vin = 3.6V 30mA (10 LEDs per string), C OUT Power Efficiency vs. Input Voltage LED Current Error vs. PWM Duty Cycle Soft Start Waveforms Ch 1 (yellow) – EN pin (green) – SW node voltage Ch 3 (red) – Inductor current (blue © 2010 IXYS Corp. ...
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... LDS8710 TYPICAL CHARACTERISTICS Vin = 3.6V 30mA (10 LEDs per string), C OUT Waveforms at PWM LED Current Regulation Ch 1 (yellow) – PWM signal at 1 kHz 5% duty cycle C2 (green) – SW node voltage, Ch 3(red) – LED Current. Ch4 (blue OUT Waveforms at PWM LED Current Regulation Ch 1 (yellow) – PWM signal at 30 kHz 25% duty cycle C2 (green) – ...
Page 6
... Under-Voltage protection turns device off setting it in shutdown mode. The LDS8710 has soft start function that prevent high input current spike at device’ wake-up. The EN/PWM pin should be held low for more than completely turn device in low current shutdown mode ...
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... We recommend C 1 µF. The inductor should allow around 20% higher peak current than LDS8710 Switch Current Limit I table Electrical Operating Characteristics on page 2). However, the maximum ripple current through inductor I should not exceed R ...
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... LDS8710 PACKAGE DRAWING AND DIMENSIONS 8-PIN TDFN, 2mm x 3mm, 0.5mm PITCH SYMBOL MIN NOM A 0.700 0.750 A1 - 0.000 A2 0.203 Ref. b 0.180 0.230 D 2.950 3.000 D1 1.750 1.800 E 1.950 2.000 E1 1.550 1.600 e 0.500 Bsc L 0.350 0.400 Note: 1. All dimensions are in millimeters 2. Complies with JEDEC Standard MO-220 © ...
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... All packages are RoHS-compliant (Lead-free, Halogen-free). 2) The standard lead finish is Matte-Tin. 3) The device used in the above example is a LDS8710 XXX–T2-300 (2x3 TDFN, Tape & Reel LED Current). 4) For additional package and current options, please contact your nearest IXYS Corp. Sales office. © 2010 IXYS Corp. ...
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... LDS8710 Warranty and Use IXYS CORP. MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS PRODUCTS FOR ANY PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE RIGHTS OF THIRD PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING OUT OF ANY SUCH USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES ...