LDS8680008-T2 IXYS, LDS8680008-T2 Datasheet
LDS8680008-T2
Specifications of LDS8680008-T2
LDS8680-002-T5-2
LDS8680-002-T5-2
LDS8680008-T2-2
Related parts for LDS8680008-T2
LDS8680008-T2 Summary of contents
Page 1
... The LDS8680 is a high efficiency charge pump with low dropout voltage that can drive two LEDs at 400 mA each simultaneously or one LED at 800 mA per TYPICAL APPLICATION CIRCUIT © 2009 IXYS Corp. Characteristics subject to change without notice channel. Inclusion of a low dropout PowerLite™ Current ...
Page 2
... Thermal Hysteresis Under Voltage Lockout (UVLO) Threshold Output Over Voltage protection Flash LED Safety Timer Note: 1. Sample test only 2. Measusured from Flash LED ON command to ILED reaches 90% of regulated level © 2009 IXYS Corp. Characteristics subject to change without notice Rating Unit 0.7V ...
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... Low time between two 16-byte t CLO2 command sets EN LOW Time to finalize t LO command mode t EN/SET low time to shutdown OFF © 2009 IXYS Corp. Characteristics subject to change without notice Conditions Min 10 300 100 0.3 50 Fig. 1 Command mode programming Fig. 2 PWM mode with short pulse Fig ...
Page 4
... YYYY 0A 0Z 0000 0010 0000 0010 02 02 © 2009 IXYS Corp. Characteristics subject to change without notice Command Description Turn LEDA “ON” with LED current at factory preset maximum value, Safety Timer is “ON” Turn LEDB “ON” with LED current at factory preset maximum value, Safety Timer is “ ...
Page 5
... Operating Waveforms at 1kHz PWM mode 10% Duty Cycle V = 4.2 V, Ch1 – EN/SET, Ch2 – LED current (400 mA/div) IN LED Current Setting Error vs. Duty Cycle in PWM Mode © 2009 IXYS Corp. Characteristics subject to change without notice = 2 μ C1= 1μ 25°C unless otherwise specified IN OUT ...
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... To start LED current, device should be in PWM mode (See p. 5). To place the device into zero current mode, the EN/SET pin must be held low for more than 50 ms. © 2009 IXYS Corp. Characteristics subject to change without notice Function V ...
Page 7
... The command mode starts if first pulse applied to EN pin after power-up is longer than or equal this mode, every next 16 pulses applied to EN COM © 2009 IXYS Corp. Characteristics subject to change without notice pin recognizes as command, both LEDA and LEDB channels are off, and no current is flowing through LEDs ...
Page 8
... Short Circuit Protection OUT shorted to ground before LDS8680 is OUT enabled, input current may increase within © 2009 IXYS Corp. Characteristics subject to change without notice 20 µs after enable and is limited after that. 4. Over-Temperature Protection If the die temperature exceeds +160°C, the driver will enter shutdown mode ...
Page 9
... LDS8680 ground plane underneath. The use of multiple via improves the package heat dissipation. © 2009 IXYS Corp. Characteristics subject to change without notice 9 Doc. No. 8680_DS, Rev. N1.0 ...
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... 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 © 2009 IXYS Corp. Characteristics subject to change without notice MAX 0.800 0.050 0.280 3.050 1.850 2.050 1.650 0.450 10 Doc. No. 8680_DS, Rev. N1.0 ...
Page 11
... The standard lead finish is Matte-Tin. 3) The device used in the above example is a LDS8680 008–T2 ( 2x3 TDFN, Tape & Reel). 4) For additional package and temperature options, please contact your nearest IXYS Corp. Sales office. © 2009 IXYS Corp. Characteristics subject to change without notice Package ...
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... IXYS Corp. products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the IXYS Corp. product could create a situation where personal injury or death may occur. ...