AN6651 WINGS | Alldatasheet

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Technical content

AN6651 LINEAR INTEGRATED CIRCUIT MOTOR SPEED CONTROL CIRCUIT

DESCRIPTION

The AN6651 is a monolithic integrated circuit designed for the rotating control of a compact DC motor which is used for a tape recorder, recorder player etc.

FEATURES

*Wide operating supply voltage: Vcc=3.5V ~ 14.4V *Small four-lead plastic packer for compact motor. *Few external components *Stable low reference voltage (1.0V, typical) *Wide motor speed setting *Reverse voltage protection circuit built-in TO-126B 1: Vcc 2: CONTROL 3: GND 4: MOTOR BLOCK DIAGRAM Wing Shing Computer Components Co., (H.K.)Ltd. Tel:(852)2341 9276 Fax:(852)2797 8153 Homepage: http://www.wingshing.com E-mail: ic@wingshing.com

AN6651 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL VALUE UNIT Supply Voltage V CC 14.4 V Supply Current (note 1) I CC 2000 mA Power Dissipation (Ta=25°C) (note 2) PD 1300 mW Operating Temperature T OPR -20 to +75 °C Storage Temperature T STG -40 to +150 °C Terminal Voltage Vn-3 (n=1,2,4) -0.5 to +14.4 V Terminal Current I 1 150 mA Terminal Current I 2 100 mA Terminal Current (note 1) I 3 -2000 (MIN.) mA Terminal Current (note 1) I 4 1750 mA Note 1: t≤5 sec Note 2: Ta=25°C, with a 10 x 10 mm bakelite PCB (3.5µm Cu leaf) ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Reference Voltage Vref V CC=6V, Ra=1kΩ 0.85 1.00 1.15 V Base Current I bias V CC=6V 0.8 1.8 mA Current Proportional Constant K V CC=6V, ∆I4=40mA 35 40 45 Saturation Voltage V SAT V CC=4.2V,Ra=5.0Ω 1.15 2.0 V Voltage Characteristics 1 V CC=3.5V~14V Ra=1kΩ -0.1 %/V Voltage Characteristics 2 V CC=3.5V~14V ∆I4=40mA 0.2 %/V Current Characteristics 1 I4=50mA~200mA -0.02 %/mA Current Characteristics 2 I4=50mA~200mA -0.01 %/mA Temperature Characteristics 1 Ta=-20~+75°C V CC=6V Ra=1kΩ 0.01 %/ °C ∆VREF VREF ∆Vcc K ∆Vcc ∆VREF VREF ∆I4 K ∆I4 ∆VREF VREF ∆Ta

AN6651 LINEAR INTEGRATED CIRCUIT PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Temperature Characteristics 2 Ta=-20~+75°C ∆I4=40mA 0.01 %/ °C CHARACTERISTICS CURVE APPLICATION CIRCUIT K ∆Ta