CAT4008 ONSEMI | Alldatasheet

Document overview

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  • PDF pages: 13

Technical content

Features

  • 8 Constant Current−sink Channels
  • Serial Interface up to 25 MHz Clock Frequency
  • 3 V to 5.5 V Logic Supply
  • LED Current Range from 2 mA to 100 mA
  • LED Current set by External RSET Resistor
  • 300 mV LED Dropout at 30 mA
  • Thermal Shutdown Protection
  • Available in 16−lead SOIC (150 and 300 mil wide), and TSSOP Packages
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

Applications

  • Billboard Display
  • Marquee Display
  • Instrument Display
  • General Purpose Display CAT4008W−T2 A3B CAT4008WZ YMXXXX A3B CAT4008VZ YMXXXX CAT4008V−T1 AB 4008YZZ 3YMXXX CAT4008Y−T2 or CAT4008Y−GT2 http://onsemi.com SOIC−16 W SUFFIX CASE 751BG PIN CONNECTIONS 16−Lead SOIC (W, V), TSSOP (Y) (Top View) GND SIN SCLK LED1 XLAT VDD RSET SOUT BLANK LED8 LED7 LED6 LED5 LED2 LED3 LED4 SOIC−16 V SUFFIX CASE 751BH TSSOP−16 Y SUFFIX CASE 948AN 1 1 See detailed ordering and shipping information in the package dimensions section on page 13 of this data sheet.

ORDERING INFORMATION

A = Assembly Location 3 = Lead Finish − Matte−Tin B = Product Revision (Fixed as “B”) CAT4008W, CAT4008V, 4008Y = Device Code Z or ZZ = Leave Blank Y = Production Year (Last Digit) M = Production Month (1-9, A, B, C) XXX or XXXX = Last Three of Four Digits of XXX or XXXX = Assembly Lot Number MARKING DIAGRAMS

Figure 1. Typical Application Circuit

3 V to

5.5 V 1 /C0109F 20 mA

Table 1. ABSOLUTE MAXIMUM RATINGS Table 2. RECOMMENDED OPERATING CONDITIONS

Table 3. ELECTRICAL OPERATING CHARACTERISTICS

Table 4. TIMING CHARACTERISTICS

  1. All min and max values are guaranteed by design.
  2. V DD = 5 V, LED current 30 mA.

Figure 2. Test Circuit for AC Characteristics

Table 5. PIN DESCRIPTION SOUT Serial data output pin. must be connected to the ground plane on the PCB. register on each rising edge of CLK. voltage on the LED pin must be above 0.4 V . BLANK is the LED channel enable and disable input pin. preserving the data in the output latch register. of the next device on the serial bus to cascade. RSET pin voltage is regulated to 1.2 V . VDD is the positive supply pin voltage for the entire device. A small 1 /C0109F ceramic is recommended close to pin. Table 6. LED CURRENT

Figure 17. CAT4008 Functional Block Diagram

1.2 V Ref

current to about 51 times the current in RSET. dissipation and efficiency of the LED driver. typical. The delay is introduced when LATCH is activated. programming more than one device on the same interface.

http://onsemi.com PACKAGE DIMENSIONS SOIC−16, 150 mils CASE 751BG−01 ISSUE O TOP VIEW PIN#1 IDENTIFICATION E D A e b L h c SIDE VIEW END VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. /C0113 SYMBOL MIN NOM MAX θ A b c D E e h 0º 8º 0.10 0.33 0.19 0.25 9.80 5.80 3.80

1.27 BSC

1.75 0.25 0.51 0.25 0.50 10.00 6.20 4.00 L 0.40 1.27 1.35 9.90 6.00 3.90

http://onsemi.com PACKAGE DIMENSIONS SOIC−16, 300 mils CASE 751BH−01 ISSUE A L h EE1 PIN #1 IDENTIFICATION D A c b e TOP VIEW SIDE VIEW END VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-013. /C0113 SYMBOL MIN NOM MAX θ A b c D E e h 0º 8º 0.10 0.33 0.18 0.25 10.08 10.01 7.39 2.64 0.30 0.51 0.28 0.75 10.49 10.64 7.59 L 0.38 1.27 2.36 10.31 10.31 7.49 0.41 0.23 0.81 2.49

http://onsemi.com PACKAGE DIMENSIONS TSSOP16, 4.4x5 CASE 948AN−01 ISSUE O PIN#1 IDENTIFICATION D TOP VIEW SIDE VIEW END VIEW e b c L A SYMBOL θ MIN NOM MAX A b c D E e 0º 8º L 0.05 0.85 0.19 0.13 0.45 4.90 6.30 4.30

0.65 BSC

1.00 REF

1.10 0.15 0.95 0.30 0.20 0.75 5.10 6.50 4.50 Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153. E

Table 7. ORDERING INFORMATION

  1. 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 CAT4008Y −GT2 (TSSOP , NiPdAu, Tape & Reel, 2,000/Reel).
  4. Contact factory for package availability.
  5. For additional package and temperature options, please contact your nearest ON Semiconductor Sales office.
  6. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

  1. Matte −Tin Plated Finish (RoHS−compliant).

10.NiPdAu Plated Finish (RoHS−compliant). arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.