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Toshiba Data Handbook - TB62705CPG TB62705CFG TB62705CFNG

Summary

These advanced constant-current integrated circuits are specialized drivers engineered for complex LED and LED display systems. Featuring an 8-bit shift register, latching capability, and constant output current regulation (5–90mA), they provide precise power management for reliable illumination. This technical manual serves as a comprehensive guide for electronics designers, covering detailed pin functions, timing diagrams, maximum electrical ratings, optimal pattern layout techniques, and application notes required to integrate the device seamlessly into high-performance LED lighting solutions.

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查询TB62705CPG供应商

TB62705CPG/CFG/CFNG

TOSHIBA Bi−CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC

TB62705CPG, TB62705CFG, TB62705CFNG 8-BIT SHIFT REGISTER, LATCHES & CONSTANT-CURRENT DRIVERS

The TB62705CPG / CFG / CFNG are specifically designed for LED and LED DISPLAY constant-current drivers.

TB62705CPG

These constant-current output circuits can support the set-up of an external resistor (IOUT = 5~90m A). This IC is a monolithic integrated circuit designed to be used together with Bi-CMOS process. The devices consist of an 8-bit shift register, latch, AND-GATE and constant-current drivers. This devices are a product for the Pb free(Sn-Ag).

FEATURES

TB62705CFG

Constant-current Output : current with one resistor for

5 to 90m A.

Maximum Clock Frequency : f CLK = 15 (MHz)

(Cascade Connecte Operate, Topr = 25°C)

5V C−MOS Compatible Input Package : DIP16−P−300−2.54A (TB62705CPG)

SSOP16−P−225−1.00A (TB62705CFG) SSOP16−P−225−0.65B (TB62705CFNG) TB62705CFNG

Constant Output Current Matching:

OUTPUT-GND CURRENT OUTPUT VOLTAGE MATCHING CURRENT ≥ 0.4 V ±6.0% 5~40 m A

PIN CONNECTION (Top view)

Weight DIP16−P−300−2.54A : 1.11 g (typ.) SSOP16−P−225−1.00A : 0.14 g (typ.) SSOP16−P−225−0.65B : 0.07 g (typ.)

GND VDD

SERIAL-IN R-EXT

CLOCK SERIAL-OUT

ENABLELATCH

OUTn OUTn

OUTn OUTn

OUTn OUTn

OUTn 9 8 OUTn

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Page Summary Contents For Toshiba Data Handbook - TB62705CPG TB62705CFG TB62705CFNG

Page 1 查询TB62705CPG供应商 TB62705CPG/CFG/CFNG TOSHIBA Bi−CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB62705CPG, TB62705CFG, TB62705CFNG 8-BIT SHIFT REGISTER, LATCHES & CONSTANT-CURRENT DRIVERS The TB62705CP...
Page 2 TB62705CPG/CFG/CFNG BLOCK DIAGRAM OUTn OUTn OUTn TIMING DIAGRAM CLOCK SERIAL-IN LATCH ENABLE OUT0 Off Off On Off 5 V SERIAL-OUT 0 V Note: Latches are level-sensitive, not rising edge-sensitive, and ar...
Page 3 TB62705CPG/CFG/CFNG PIN DESCRIPTION PIN No. PIN NAME FUNCTION 1 GND GND terminal for control logic 2 SERIAL−IN Input pin for shift register serial data 3 CLOCK Clock input terminal for data shift to u...
Page 4 TB62705CPG/CFG/CFNG MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC SYMBOL RATING UNIT Supply Voltage VDD 0~7.0 V Input Voltage VIN −0.4~VDD + 0.4 V Output Current IOUT 90 m A Output Voltage VCE −0.5~17.0 ...
Page 5 TB62705CPG/CFG/CFNG ELECTRICAL CHARACTERISTICS (VDD = 5.0 V, Ta = 25°C unless otherwise stated) TEST CHARACTERISTIC SYMBOL CIR− CONDITION MIN TYP. MAX UNIT CUIT "H" Level VIH ― ― 0.7 VDD ― V...
Page 6 TB62705CPG/CFG/CFNG SWITCHING CHARACTERISTICS (Ta = 25°C unless otherwise stated) TEST CHARACTERISTIC SYMBOL CIR− CONDITION MIN TYP. MAX UNIT CUIT SIN−OUTn ― 1200 1500 Propagation LATCH OUTn ― 1200 15...
Page 7 TB62705CPG/CFG/CFNG TEST CIRCUIT DC characteristics AC characteristics Precaution on Use Utmost care is necessary in the design of the output line, VCC (VDD) and GND line since the IC may be damaged d...
Page 8 TB62705CPG/CFG/CFNG TIMING WAVEFORM 1. CLOCK−SERIAL OUT, OUTn OUTn (current) 2. CLOCK−LATCH 3. ENABLE−OUTn
Page 9 TB62705CPG/CFG/CFNG Iout-Duty Cycle(TB62705CFG/CFNG) Iout-Duty Cycle(TB62705CFG/CFNG) Iout-Duty Cycle(TB62705CFG/CFNG) Iout-Duty Cycle(TB62705CPG) Iout-Duty Cycle(TB62705CPG) Iout-Duty Cycle(TB62705CP...
Page 10 TB62705CPG/CFG/CFNG LED DRIVER TB6270X SERIES APPLICATION NOTE 1:CFG/CFNG ON PCB 2:CFG/CFNG FREE AIR 3:CPG FREE AIR
Page 11 TB62705CPG/CFG/CFNG [1] Output current (IOUT) IOUT is set by the external resistor (R−EXT), as shown in Fig. 1. [2] Total supply voltage (VLED) This device can operate on 0.4~0.7 V (VO). When a higher...
Page 12 TB62705CPG/CFG/CFNG PACKAGE DIMENSIONS Weight: 1.11 g (Typ.)
Page 13 TB62705CPG/CFG/CFNG PACKAGE DIMENSIONS Weight: 0.14 g (Typ.)
Page 14 TB62705CPG/CFG/CFNG PACKAGE DIMENSIONS Weight: 0.07 g (Typ.)
Page 15 TB62705CPG/CFG/CFNG