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PDF TLP7820 Data sheet ( Hoja de datos )
| Número de pieza | TLP7820 | |
| Descripción | Photocouplers Optically Isolation Amplifiers | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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Photocouplers Optically Isolation Amplifiers
TLP7820
TLP7820
1. Applications
• Motor phase and rail current sensing
• Power inverter current and voltage sensing
2. General
The TLP7820 of isolation amplifiers is designed for current sensing in electronic motor drives. In a typical
implementation, motor currents flow through an external resistor and the resulting analog voltage drop is sensed
by the TLP7820.
3. Features
(1) Output side supply voltage: 3 to 5.5 V
(2) Output side supply current: 6.2 mA (typ.)
(3) Operating temperature range: -40 to 105
(4) Common-mode transient immunity: 15 kV/µs (min)
4. Packaging and Pin Assignment
11-6B1A
4.1. Pin Assignment
Pin No.
1
2
3
4
5
6
7
8
Symbol
Description
VDD1
VIN+
VIN-
GND1
GND2
VOUT-
VOUT+
VDD2
Input side supply voltage
Positive input
Negative input
Input side ground
Output side ground
Negative output
Positive output
Output side supply voltage
©2015 Toshiba Corporation
1
2015-09-10
Rev.3.0
1 page  
TLP7820
10. AC Characteristics (Note) (Unless otherwise specified, Ta = -40 to 105 ,
VDD1 = 4.5 to 5.5 V, VDD2 = 3 to 5.5 V)
Characteristics
Symbol
Test Condition
Min Typ. Max Unit
VOUT bandwidth (-3 dB)
f-3dB
VIN+ = 400 mVp-p , sine wave
140 230 kHz
VIN to VOUT propagation delay time
(10 %-10 %)
VIN to VOUT propagation delay time
(50 %-50 %)
tpD10
tpD50
VIN+ = 0 to 200 mV/µs step
CL = 15 pF
1.9 2.3 µs
2.3 2.6
VIN to VOUT propagation delay time
(90 %-90 %)
tpD90
2.8 3.3
VOUT rise time
VOUT fall time
tr
tf
1.7
1.7
Common-mode transient immunity
CMTI VCM = 1 kV, Ta = 25
15 20 kV/µs
Note: All typical values are at Ta = 25 .
CL is approximately 15 pF which includes probe and stray wiring capacitance.
11. Isolation Characteristics (Unless otherwise specified, Ta = 25 )
Characteristics
Symbol Note
Test Condition
Min Typ. Max Unit
Total capacitance (input to output)
Isolation resistance
Isolation voltage
CS (Note 1) VS = 0 V, f = 1 MHz
RS (Note 1) VS = 500 V, R.H. ≤ 60 %
BVS (Note 1) AC, 60 s
AC, 1 s in oil
1 × 1012
5000
1.0
1014
10000
pF
Ω
Vrms
DC, 60 s in oil
10000
Vdc
Note 1: This device is considered as a two-terminal device: Pins 1, 2, 3 and 4 are shorted together, and pins 5, 6, 7
and 8 are shorted together.
©2015 Toshiba Corporation
5
2015-09-10
Rev.3.0
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TLP7820.PDF ] | |
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