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STP16CPC05MTR Fiches technique(PDF) 1 Page - STMicroelectronics |
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1 / 27 page October 2009 Doc ID 15352 Rev 3 1/27 27 STP16CPC05 Low voltage 16-bit constant current LED sink driver with balanced output rise/fall time Features ■ Low voltage power supply down to 3 V ■ 16 constant current output channels ■ Adjustable output current through external resistor ■ Serial data IN/parallel data OUT ■ Can be driven by a 3.3 V microcontroller ■ Output current: 5-100 mA ■ Max clock frequency 30 MHz ■ ESD protection 2.5 kV HBM, 200 V MM Description The STP16CPC05 is a monolithic, low voltage, low current power 16-bit shift register designed for LED panel displays. The STP16CPC05 contains a 16-bit serial-in, parallel-out shift register that feeds a 16-bit, D-type storage register. In the output stage, sixteen regulated current sources provide from 5 mA to 100 mA constant current to drive the LEDs. The STP16CPC05`s output stage is designed to optimize the turn-on and turn-off time, typically 100 nS. The balanced turning ON/OFF improves the system performances reducing the bypass capacitance in applications where parasitic inductance generate ringing or noise in the system. The LEDs' brightness can be controlled by using an external resistor to adjust the STP16CPC05 output current. The STP16CPC05 guarantees a 20 V output driving capability, allowing users to connect more LEDs in series.The high clock frequency, 30 MHz, makes the device suitable for high data rate transmission. The 3.3 V voltage supply is useful in applications that interface with a 3.3 V microcontroller. SO-24 TSSOP24 TSSOP24 (exposed pad) QSOP-24 Table 1. Device summary Order codes Package Packaging STP16CPC05MTR SO-24 1000 parts per reel STP16CPC05TTR TSSOP24 2500 parts per reel STP16CPC05XTTR TSSOP24 exposed pad 2500 parts per reel STP16CPC05PTR QSOP-24 2500 parts per reel www.st.com |
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