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PDF TB62747BFNAG Data sheet ( Hoja de datos )
| Número de pieza | TB62747BFNAG | |
| Descripción | 16-Output Constant Current LED Driver | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TB62747AFG/AFNG/AFNAG/BFNAG
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB62747AFG,TB62747AFNG,
TB62747AFNAG,TB62747BFNAG
16-Output Constant Current LED Driver
The TB62747 series is comprised of constant-current drivers
designed for LEDs and LED panel displays.
The regulated current sources are designed to provide a
constant current, which is adjustable through one external
resistor.
The TB62747 series incorporates 16 channels of shift registers,
latches, AND gates and constant-current outputs.
Fabricated using the Bi-CMOS process, the TB62747 series
satisfies the system requirement of high-speed data transmission.
The TB62747 series is RoHS compatible
TB62747AFG
SSOP24-P-300-1.00B
TB62747AFNG
SSOP24-P-300-0.65A
TB62747AFNAG/BFNAG
SSOP24-P-150-0.64
Features
Weight
• Power supply voltages: VDD = 3.3 V to 5.0 V
• 16-output built-in
SSOP24-P-300-1.00B : 0.29 g (typ.)
SSOP24-P-300-0.65A : 0.14 g (typ.)
SSOP24-P-150-0.64: 0.14 g (typ.)
• Output current setting range
: 1.5 to 35 mA @ VDD = 3.3 V, VO = 0.4 to 1.0 V
: 1.5 to 45 mA @ VDD = 5.0 V, VO = 0.4 to 1.2 V
• Constant current output voltage: VO = 26 V (max)
• Current accuracy (@ REXT = 1.2 kΩ, VO = 0.4 V, VDD = 3.3 V, 5.0 V)
: Between outputs: ± 1.5 % (max)
: Between devices: ± 1.5 % (max)
• Fast response of output current : twOE(L) = 100 ns (min)
• Control data format: serial-in, parallel-out
• Input signal voltage level: 3.3 V and 5 V CMOS interfaces (Schmitt trigger input)
• Serial data transfer rate: 25 MHz (max) @cascade connection
• Operation temperature range: Topr = −40 to 85 °C
• Power on reset (POR)
• Package
: AFG type
: AFNG type
: SSOP24-P-300-1.00B
: SSOP24-P-300-0.65A
: AFNAG type
: SSOP24-P-150-0.64
: BFNAG type
: SSOP24-P-150-0.64
1 2009-01-21
1 page  
Pin Functions
Pin No
AFG
AFNG
AFNAG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
BFNAG
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
Pin Name
GND
SIN
SCK
SLAT
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
OE
SOUT
REXT
VDD
TB62747AFG/AFNG/AFNAG/BFNAG
I/O Function
⎯ The ground pin.
I The serial data input pin.
I The serial data transfer clock input pin.
I
The latch signal input pin.
Data is saved at L level.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
O A sink type constant current output pin.
I
The constant current output enable signal input pin.
During the “H” level, the output will be forced off.
O The serial data output pin.
⎯ The constant current value setting resistor connection pin.
⎯ The power supply input pin.
5 2009-01-21
5 Page 
Test Circuit4: Power supply current
SCK
F.G
SIN
SLAT
OE
TB62747AFG/AFNG/AFNAG/BFNAG
VDD
OUT0
OUT7
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10 to 90%)
REXT
GND
OUT15
SOUT
A
Test Circuit5: Constant current output / Output OFF leak current / Constant current error
Test Circuit5: Constant current power supply voltage regulation / Constant current output voltage regulation
SCK
VDD
OUT0
A
SIN
F.G
SLAT
OE
OUT7
A
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10 to 90%)
REXT
GND
OUT15
SOUT
A
Test Circuit6: Switching Characteristics
SCK
F.G SIN
SLAT
OE
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10 to 90%)
REXT
VDD
OUT0
OUT7
GND
OUT15
SOUT
RL = 300 Ω
CL
RL
CL
RL
CL = 10.5 pF
11 2009-01-21
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TB62747BFNAG.PDF ] | |
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