TB62725P 查看數據表（PDF） - Toshiba

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TB62725P

TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic

Toshiba 

TB62725P/F/FN

TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic

TB62725P, TB62725F, TB62725FN

8-bit Constant-Current LED Driver with Operating Voltage of 3.3 V

The TB62725 series is comprised of constant-current drivers

designed for LEDs and LED displays. The output current value

can be set using an external resistor.

As a result, all outputs will have virtually the same current

levels.

This driver incorporates a 8-bit constant-current output, a 8-bit

shift register, a 8-bit latch and a gate circuit.

These drivers have been designed using the Bi-CMOS process.

Features

• Output current capability and number of outputs:

90 mA × 8 outputs

• Constant current range: 2~80 mA

• Application output voltage:

0.7 V (output current 2~80 mA)

0.4 V (output current 2~40 mA)

• For anode-common LEDs

• Input signal voltage level: 3.3-V CMOS level (Schmitt trigger

input)

• Maximum output terminal voltage: 17 V

• Serial data transfer rate: 20 MHz (max, cascade connection)

• Operating temperature range Topr = −40~85°C

• Package:

Type P: DIP16-P-300-2.54A

Type F: SSOP16-P-225-1.00A

Type FN: SSOP16-P-225-0.65B

• Package and pin layout: Pin layout and functionality are

similar to those of the TB62705. (Each characteristic value is

different.)

• Constant-current error accuracy (all outputs on)

Current accuracy

>= 0.4 V

>= 0.7 V

between bits between ICs

2~40 mA

2~80 mA

TB62725P

TB62725F

TB62725FN

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.)

1

2002-01-31

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