tb62725bfg TOSHIBA Semiconductor CORPORATION, tb62725bfg Datasheet
tb62725bfg
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tb62725bfg Summary of contents
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... TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB62725BPG, TB62725BFG, TB62725BFNG 8-bit Constant-Current LED Driver of the 3.3-V and 5-V Power Supply Voltage Operation The TB62725BPG/BFG/BFNG are comprised of constant-current drivers designed for LEDs and LED displays. The output current value can be set using an external resistor result, all outputs will have virtually the same current levels ...
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Pin Assignment (top view) Pin layout and functionality are similar to those of the TB62705C. (each characteristic value is different.) GND SERIAL-IN CLOCK LATCH OUT0 OUT1 OUT2 OUT3 Block Diagram R-EXT I-REG ENABLE LATCH D SERIAL-IN CK CLOCK Truth Table ...
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Timing Diagram CLOCK SERIAL-IN LATCH ENABLE OUT0 OUT1 OUT3 OUT7 SERIAL-OUT Warning: Latch circuit is leveled-latch circuit. Be careful because it is not triggered-latch circuit. Note 2: The latches circuit holds data by pulling the ...
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Terminal Description Pin No. Pin Name 1 GND GND terminal for control logic. 2 SERIAL-IN Input terminal for serial data for data shift register. 3 CLOCK Input terminal for clock for data shift on rising edge. Input terminal for data ...
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Absolute Maximum Ratings Characteristics Supply voltage Input voltage Output current Output voltage BPG-type (when not mounted) Power BFG/BFNG-type dissipation (when not mounted) (Note 3) BFG/BFNG-type (on PCB) BPG-type (when not mounted) Thermal BFG/BFNG-type resistance (when not mounted) (Note 3) BFG/BFNG-type ...
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Electrical Characteristics (V Characteristics Supply voltage Output current Output current Error between bits Output leakage current Input voltage SOUT terminal Output voltage Output current Supply voltage Regulation Pull-up resistor Pull-down resistor Supply current = 25°C unless ...
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Switching Characteristics (T Characteristics Propagation delay time Output rise time Output fall time Maximum clock rise time Maximum clock fall time Conditions: (refer to test circuit.) = 25° opr 10 ...
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Timing Waveforms 1. CLOCK, SERIAL-IN, SERIAL-OUT CLOCK 50% t SETUP1 SERIAL-IN 50% SERIAL-OUT t pLH 2. CLOCK, SERIAL-IN, LATCH , ENABLE , OUTn CLOCK 50% SERIAL-IN LATCH ENABLE OUTn 3. OUTn OUTn t wCLK 50% 50% t HOLD 50% /t ...
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Output Current – Duty (LED turn-on rate) I – DUTY On PCB OUT ( recommended ) 100 opr = 25° 5.0 V BFG/BFNG 1 120°C (max) ...
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Application Circuit (example 1): The general composition in static lighting of LED. (V) > More than V (total max) + 0.7 is recommended with the following application circuit with the LED power supply V LED f r1: The ...
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Application Circuit (example 2): When the condition of V The unnecessary voltage is one effective technique as to making the voltage descend with the zennor diode. SCAN O0 O1 SERIAL-IN ENABLE Constant-sink-current drivers C.U. LATCH CLOCK r2 > ...
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Application Circuit (example 3): When the condition − 0 the most suitable for V OUT LED f Surplus V causes an IC fever and the useless consumption electric power. ...
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Notes Operation may become unstable due to the electromagnetic interference caused by the wiring and other phenomena. To counter this recommended that the IC be situated as close as possible to the LED module. If overvoltage is caused ...
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Package Dimensions Weight: 1.11 g (typ.) TB62725BPG/BFG/BFNG 14 2006-06-14 ...
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Package Dimensions Weight: 0.14 g (typ.) TB62725BPG/BFG/BFNG 15 2006-06-14 ...
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Package Dimensions Weight: 0.07 g (typ.) TB62725BPG/BFG/BFNG 16 2006-06-14 ...
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Notes on Contents 1. Block Diagrams Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. Equivalent Circuits The equivalent circuit diagrams may be simplified or some parts of ...
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Carefully select external components (such as inputs and negative feedback capacitors) and load components (such as speakers), for example, power amp and regulator. If there is a large amount of leakage current such as input or negative feedback condenser, ...
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Points to Remember on Handling of ICs (1) Heat Radiation Design In using an IC with large current flow such as power amp, regulator or driver, please design the device so that heat is appropriately radiated, not to exceed the ...
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About solderability, following conditions were confirmed • Solderability (1) Use of Sn-37Pb solder Bath · solder bath temperature = 230°C · dipping time = 5 seconds · the number of times = once · use of R-type flux (2) Use ...