CAT4026V-T1 ON Semiconductor, CAT4026V-T1 Datasheet
CAT4026V-T1
Specifications of CAT4026V-T1
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CAT4026V-T1 Summary of contents
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... CAT4026V YYWWXXXX L = Assembly Location Code 3 = Mark “3” for (lead finish Matte−Tin Product Revision: Fixed as “A” CAT4026V = Specific Device Code YY = Production Year (Last Two Digits Production Week (Two Digits) XXXX = Last Four Digits of Assembly Lot Number ORDERING INFORMATION Device Package CAT4026V− ...
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... OPEN FLT−OCA PWM PWM ANLG ANLG GND Notes NPN power transistor MJD340 from ON Semiconductor. External power−derating circuit not shown. Table 1. ABSOLUTE MAXIMUM RATINGS Rating VDD Voltage Range PWM, ANLG, FLT−OCA, FLT−SCA Voltage Range RSET[x], BASE[x] Maximum Junction Temperature ...
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... SCA fault detection threshold sink current SCA fault cleared threshold sink current FLT−SCA pin pull−down voltage FLT−SCA fault delay FLT−SCA open−drain leakage 5. The quiescent current depends on the external bipolar transistors used (ON Semiconductor MJD340) and more specifically of its DC cur- rent gain ( ...
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Table 4. ELECTRICAL CHARACTERISTICS values T = −40°C to +85°C; unless otherwise noted.) (continued) A Parameter TIMING PWM Enable Time PWM Disable Time Turn−off Shutdown Time, PWM falling to shutdown Channel to channel turn on and turn off delay (staggering) ...
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TYPICAL PERFORMANCE CHARACTERISTICS ( PWM 1.4 VIH 1.2 1.0 VIL 0.8 0.6 0.4 0.2 0 −40 − TEMPERATURE (°C) Figure 3. PWM Threshold Voltage vs. Temperature 1.1 1.0 0.9 0.8 0.7 ...
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TYPICAL PERFORMANCE CHARACTERISTICS ( PWM 1.00 0.99 0.98 0.97 0.96 0.95 4.50 4.75 5.00 VDD VOLTAGE (V) Figure 9. OCA Threshold Voltage vs. Temperature 110 100 90 Dropout Normal 20 Regulation ...
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TYPICAL PERFORMANCE CHARACTERISTICS ( PWM Figure 13. LED Current Transient During PWM Dimming Figure 15. Open Cathode−Anode Waveform = 3 25°C unless otherwise specified.) ANLG AMB Figure 14. ANLG Transient, ...
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Table 5. PIN DESCRIPTION Pin # Name 1 VDD Supply Bias voltage input for controller 2 PWM Digital PWM input control to globally PWM all channels 3 ANLG ANLG input bias signal to globally adjust full scale brightness. (intended for ...
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Pin Functions VDD The VDD input is the positive supply to the devices. VDD should be nominally 5 V. PWM The PWM control input provides multiple functions. When the first rising edge is applied to PWM input, the CAT4026 will ...
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External adjustment of LED Anode supply voltage is controlled by the IFB current sink in conjunction with an external feedback circuit. The external circuit should be configured so that 1 mA drive signal will achieve the desired necessary dynamic adjustment ...
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Simplified Block Diagram ANLG − 100 SHUTDOWN PWM SHORT SCA DETECT + OCA − VCS VDD GND CH−BIAS (1 V−CLAMP) ENABLE TIMER CH−PWM OPEN FAULT DETECT SHORT 4.1 V CATHODE ...
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APPLICATION INFORMATION Operation with Open and Shorted LED The CAT4026 can detect both open and shorted LED strings through two diode−OR circuits connected respectively to the VCS and SCA pins, as shown in the application circuit in Figure 1. Open ...
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PIN #1 IDENTIFICATION TOP VIEW D SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-013. PACKAGE DIMENSIONS SOIC−28, 300 mils CASE 751BM−01 ISSUE O SYMBOL ...
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... All packages are RoHS−compliant (Lead−free, Halogen−free). 8. The standard lead finish is Matte Tin. 9. The device used in the above example is a CAT4026V−T1 (SOIC−28L, Matte Tin, Tape & Reel, 1,000/Reel). 10. For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. ...