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PDF STP08DP05 Data sheet ( Hoja de datos )
| Número de pieza | STP08DP05 | |
| Descripción | Low voltage 8-Bit constant current Led sink | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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STP08DP05
Low voltage 8-Bit constant current
Led sink with full outputs error detection
Features
■ Low voltage power supply down to 3V
www.DataSheet4U■.com8 constant current output channels
■ Adjustable output current through external
resistor
■ Short and open output error detection
■ Serial Data IN/Parallel data OUT
■ 3.3V micro driver-able
■ Output current: 5-100mA
■ 30MHz clock frequency
■ Available in high thermal efficiency TSSOP
exposed pad
■ ESD protection 2.5kV HBM, 200V MM
Description
The STP08DP05 is a monolithic, low voltage, low
current power 8-bit shift register designed for LED
panel displays. The STP08DP05 contains a 8-bit
serial-in, parallel-out shift register that feeds a 8-
bitD-type storage register. In the output stage,
eight regulated current sources were designed to
provide 5-100mA constant current to drive the
LEDs.
The STP08DP05 is backward compatible in the
functionality and footprint with STP8C/L596 and
extends its functionality with open and short
detection on the outputs. The detection circuit
checks 3 different conditions that can occur on the
output line: short to GND, short to VO or open line.
The data detection results are loaded in the shift
register and shifted out via the serial line output.
Dip-16
TSSOP16
(Exposed pad)
TSSOP16
SO-16
The detection functionality is implemented without
increasing the pin number, through a secondary
function of the output enable and latch pin (DM1
and DM2 respectively), a dedicated logic
sequence allows the device to enter or leave from
detection mode. Through an external resistor,
users can adjust the STP08DP05 output current,
controlling in this way the light intensity of LEDs,
in addition, user can adjust LED’s brightness
intensity from 0% to 100% via OE/DM2 pin.
The STP08DP05 guarantees a 20V output driving
capability, allowing users to connect more LEDs in
series. The high clock frequency, 30MHz, also
satisfies the system requirement of high volume
data transmission. The 3.3V of voltage supply is
well useful for applications that interface any
micro from 3.3V. Compared with a standard
TSSOP package, the TSSOP exposed pad
increases heat dissipation capability by a 2.5
factor..
Table 1. Device summary
Part Number
Package
Packaging
STP08DP05B1R
STP08DP05MTR
STP08DP05TTR
STP08DP05XTTR
DIP-16
SO-16 (Tape & Reel)
TSSOP16 (Tape & Reel)
TSSOP16 Exposed-Pad (Tape & Reel)
25 parts per tube
2500 parts per reel
2500 parts per reel
2500 parts per reel
May 2007
Rev 2
1/30
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30
1 page  
STP08DP05
3 Maximum rating
Maximum rating
Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the Operating sections of
this specification is not implied. Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability. Refer also to the STMicroelectronics SURE
Program and other relevant quality documents.
3.1www.DataSheet4U.com
Absolute maximum ratings
Table 4. Absolute maximum ratings
Symbol
Parameter
VDD
VO
IO
IGND
fCLK
TOPR
TSTG
Supply voltage IGND
Output voltage
Output current
GND terminal current
Clock frequency
Operating temperature range
Storage temperature range
Value
0 to 7
-0.5 to 20
100
800
50
-40 to +125
-55 to +150
Unit
V
V
mA
mA
MHz
°C
°C
3.2
Thermal data
Table 5. Thermal data
Symbol
Parameter
DIP-16 SO-16 TSSOP-16 TSSOP-16 (1) Unit
(exposed pad)
RthJA Thermal resistance junction-ambient 60
75
85
1. The Exposed-Pad should be soldered to the PBC to realize the thermal benefits
37.5 °C/W
5/30
5 Page 
STP08DP05
Truth table and timing diagram
7 Truth table and timing diagram
7.1
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Truth table
Table 8. Truth table
Clock LE/DM1 OE/DM2
HL
SDI
Dn
OUT0 ........ OUT0 ........ OUT7
Dn ..... Dn -5 ..... Dn -7
SDO
Dn -7
L L Dn + 1
No Change
Dn -7
H L Dn + 2
Dn +2 ..... Dn -3 ..... Dn -5
Dn -5
X L Dn + 3
Dn +2 ..... Dn -3 ..... Dn -5
Dn -5
X H Dn + 3
OFF
Dn -5
Note: OUT0 to OUT7 = ON when Dn = H; OUT0 to OUT7 = OFF when Dn = L.
11/30
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet STP08DP05.PDF ] | |
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