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1 / 18 page 1/18 July 2005 I 16 CONSTANT CURRENT OUTPUT CHANNELS I ADJUSTABLE OUTPUT CURRENT THROUGH EXTERNAL RESISTOR I SERIAL DATA IN/PARALLEL DATA OUT I SERIAL OUT CHANGE STATE ON THE FALLING EDGES OF CLOCK I OUTPUT CURRENT: 15-120 mA I 25 MHz CLOCK FREQ. I AVAILABLE IN HIGH THERMAL TSSOP EXPOSED PAD I EFFICIENCY PACKAGE DESCRIPTION The STP16C596A is a monolithic, medium-voltage, low current power 16-bit shift register designed for LED panel displays. The STP16C596A contains a 16-bit serial-in, parallel-out shift register that feeds a 16-bitD-type storage register. In the output stage, sixteen regulated current sources are designed to provide 15-120mA constant current to drive the LEDs. The serial output change state on the falling edges of clock, this special feature will provide an improved performance of the application when the clock signal is skewed because the daisy chain is too long. Through an external resistor, users may adjust the STP16C596A output current, controlling in this way the light intensity of LEDs. The STP16C596A guarantees a 16V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 25 MHz, also satisfies the system demand for high volume data transmission. Compared with a standard TSSOP package, the TSSOP exposed pad increases heat dissipation capability by a 2.5 factor. Table 1: Order Codes Part Number Package Comments STP16C596AB1R DIP-24 15 parts per tube STP16C596AM SO-24 (Tube) 40 parts per tube STP16C596AMTR SO-24 (Tape & Reel) 1000 parts per reel STP16C596ATTR TSSOP24 (Tape & Reel) 2500 parts per reel STP16C596AXTTR TSSOP24 Exposed-Pad (Tape & Reel) 2500 parts per reel STP16C596A 16-BIT CONSTANT CURRENT LED SINK DRIVER SO-24 TSSOP24 (exposed pad) DIP-24 TSSOP24 Rev. 2 |
Số phần tương tự - STP16C596AB1R |
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Mô tả tương tự - STP16C596AB1R |
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