tb62726afg TOSHIBA Semiconductor CORPORATION, tb62726afg Datasheet

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tb62726afg

Manufacturer Part Number
tb62726afg
Description
16-bit Constant-current Led Driver With Operating Voltage Of 3.3-v And 5-v
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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16-bit Constant-Current LED Driver with Operating Voltage of 3.3-V and 5-V
designed for LEDs and LED displays. The output current value
can be set using an external resistor.
levels.
16-bit shift register, a 16-bit latch and a 16-bit AND-gate circuit.
Lead(Pb)-Free product.
Features
The TB62726A series are comprised of constant-current drivers
As a result, all outputs will have virtually the same current
This driver incorporates 16-bit constant-current outputs, a
These drivers have been designed using the Bi-CMOS process.
The suffix (G) appended to the part number represents a
Output current capability and number of outputs:
90 mA × 16 outputs
Constant current range: 2 to 90 mA
Application output voltage: 0.7 V (output current 2 to 80 mA)
For anode-common LEDs
Input signal voltage level: 3.3-V and 5-V CMOS level (Schmitt
trigger input)
Power supply voltage range V
Maximum output terminal voltage: 17 V
Serial and parallel data transfer rate: 20 MHz (max, cascade connection)
Operating temperature range T
Package: Type ANG: SDIP24-P-300-1.78
Current accuracy (All output ON)
Output Voltage
> = 0.4 V
> = 0.7 V
Type AFG: SSOP24-P-300-1.00B
TB62726ANG,TB62726AFG
Between Bits
±4%
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
Current Accuracy
0.4 V (output current 2 to 40 mA)
DD
opr
Between ICs
= 3.0 to 5.5 V
= −40 to 85°C
±15%
±12%
Output Current
5 to 80 mA
2 to 5 mA
1
Weight
SDIP24-P-300-1.78: 1.22 g (typ.)
SSOP24-P-300-1.00B: 0.32 g (typ.)
TB62726ANG
TB62726AFG
TB62726ANG/AFG
2006-06-14

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tb62726afg Summary of contents

Page 1

... Type AFG: SSOP24-P-300-1.00B • Current accuracy (All output ON) Current Accuracy Output Voltage Between Bits Between ICs > = 0.4 V ±4% > = 0.7 V TB62726ANG TB62726AFG Weight SDIP24-P-300-1.78: 1.22 g (typ.) SSOP24-P-300-1.00B: 0.32 g (typ.) = −40 to 85°C Output Current ±15 ±12 ...

Page 2

Pin Assignment (top view) GND SERIAL-IN CLOCK LATCH OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 Warnings: Short-circuiting an output terminal to GND or to the power supply terminal may broken the device. Please take care when wiring the output ...

Page 3

Timing Diagram CLOCK SERIAL-IN LATCH ENABLE OUT0 OUT1 OUT3 OUT15 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 ...

Page 4

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 ...

Page 5

Absolute Maximum Ratings Characteristics Supply voltage Input voltage Output current Output voltage ANG-type (when not mounted) ANG-type (on PCB) Power dissipation (Note 3) AFG-type (when not mounted) AFG-type (on PCB) ANG-type (when not mounted) ANG-type (on PCB) Thermal resistance (Note ...

Page 6

Electrical Characteristics (T opr Characteristics Supply voltage Output current Output current error between bits Output leakage current input voltage Input voltage SOUT terminal voltage Output current Supply voltage Regulation Pull-up resistor Pull-down resistor Supply current = 25° 3.0 ...

Page 7

Switching Characteristics T ( Characteristics Propagation delay Output rise time Output fall time Maximum CLOCK rise time Maximum CLOCK fall time Conditions: (Refer to test circuit.) = 25° opr 3 ...

Page 8

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 ...

Page 9

... 1.0 V TB62726ANG Tj = 120°C (max 100 0 20 2.0 NG (On PCB) 1.8 1.6 1.4 1.2 FG (On PCB) 1.0 0.8 0.6 0.4 TB62726AFG 0.2 TB62726ANG 0 80 100 0 20 Ambient temperature Ta (°C) 5000 10000 9 TB62726ANG/AFG I – DUTY On PCB OUT TB62726AFG TB62726ANG 100 DUTY – Turn On Rate (%) P – opr 100 2006-06-14 ...

Page 10

Application Circuit (example 1): The general composition in static lighting of LED. More than VLED (V) ≥ Vf (total max) + 0.7 is recommended with the following application circuit with the LED power supply VLED. r1: The setup resistance for ...

Page 11

Application Circuit (example 2): When the condition of VLED is VLED > The unnecessary voltage is one effective technique as to making the voltage descend with the zenor diode. SCAN O0 SERIAL-IN ENABLE C.U. LATCH CLOCK r2 O1 ...

Page 12

Application Circuit (example 3): When the condition of VLED is Vf +0.7 < VLED < VOUT = VLED-Vf = 0 the most suitable for VOUT. Surplus VOUT causes an IC fever and the useless ...

Page 13

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 ...

Page 14

Package Dimensions Weight: 1.22 g (typ.) TB62726ANG/AFG 14 2006-06-14 ...

Page 15

Package Dimensions Weight: 0.32 g (typ.) TB62726ANG/AFG 15 2006-06-14 ...

Page 16

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 ...

Page 17

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, ...

Page 18

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 ...

Page 19

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 ...

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