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PDF SI8238 Data sheet ( Hoja de datos )
| Número de pieza | SI8238 | |
| Descripción | 0.5 AND 4.0 AMP ISODRIVERS | |
| Fabricantes | Silicon Laboratories | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SI8238 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Si823x Data Sheet
0.5 and 4.0 Amp ISOdrivers (2.5 and 5 kVRMS)
The Si823x isolated driver family combines two independent, isolated drivers into a
single package. The Si8230/1/3/4 are high-side/low-side drivers, and the
Si8232/5/6/7/8 are dual drivers. Versions with peak output currents of 0.5 A
(Si8230/1/2/7) and 4.0 A (Si8233/4/5/6/8) are available. All drivers operate with a max-
imum supply voltage of 24 V.
The Si823x drivers utilize Silicon Labs' proprietary silicon isolation technology, which
provides up to 5 kVRMS withstand voltage per UL1577 and fast 60 ns propagation
times. Driver outputs can be grounded to the same or separate grounds or connected
to a positive or negative voltage. The TTL level compatible inputs with >400 mV hyste-
resis are available in individual control input (Si8230/2/3/5/6/7/8) or PWM input
(Si8231/4) configurations. High integration, low propagation delay, small installed size,
flexibility, and cost-effectiveness make the Si823x family ideal for a wide range of iso-
lated MOSFET/IGBT gate drive applications.
Applications
• Power delivery systems
• Motor control systems
• Isolated dc-dc power supplies
• Lighting control systems
• Plasma displays
• Solar and industrial inverters
Safety Approval
• UL 1577 recognized
• Up to 5000 Vrms for 1 minute
• CSA component notice 5A approval
• IEC 60950-1, 61010-1, 60601-1
(reinforced insulation)
• VDE certification conformity
• IEC 60747-5-5 (VDE 0884 Part 5)
• EN 60950-1 (reinforced insulation)
• CQC certification approval
• GB4943.1
KEY FEATURES
• Two completely isolated drivers in one
package
• Up to 5 kVRMS input-to-output isolation
• Up to 1500 VDC peak driver-to-driver
differential voltage
• HS/LS and dual driver versions
• Up to 8 MHz switching frequency
• 0.5 A peak output (Si8230/1/2/7)
• 4.0 A peak output (Si8233/4/5/6/8)
• High electromagnetic immunity
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.8
1 page  
Si823x Data Sheet
Ordering Guide
Ordering Part Inputs
Number (OPN)
Configuration Peak Current UVLO Voltage Isolation Temp
Rating Range
Package
Type
Legacy Or-
dering Part
Number
(OPN)
2.5 kV Only
Si8237AB-D-IS1 VIA, VIB
Si8237BB-D-IS1 VIA, VIB
Dual Driver
Dual Driver
0.5 A
5V
2.5 –40 to SOIC-16
N/A
kVrms +125 °C Narrow Body
8V
Si8238AB-D-IS1 VIA, VIB Dual Driver
4.0 A
5V
Si8238BB-D-IS1 VIA, VIB Dual Driver
8V
Si8237AD-D-IS VIA, VIB
Si8237BD-D-IS VIA, VIB
Dual Driver
Dual Driver
0.5 A
5 V 5.0
kVrms
8V
SOIC-16
Wide Body
Si8238AD-D-IS VIA, VIB Dual Driver
4.0 A
5V
Si8238BD-D-IS VIA, VIB Dual Driver
8V
1. All packages are RoHS-compliant with peak reflow temperatures of 260 °C according to the JEDEC industry standard classifica-
tions and peak solder temperatures.
2. “Si” and “SI” are used interchangeably.
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.8 | 4
5 Page 
Si823x Data Sheet
System Overview
3.4 Typical Operating Characteristics (4.0 Amp)
The typical performance characteristics depicted in Figure 3.18 Rise/Fall Time vs. Supply Voltage on page 10 through Figure
3.27 Output Source Current vs. Temperature on page 11 are for information purposes only. Refer to Table 4.1 Electrical Characteris-
tics1 on page 21 for actual specification limits.
Figure 3.18. Rise/Fall Time vs. Supply Voltage
Figure 3.19. Propagation Delay vs. Supply Voltage
Figure 3.20. Rise/Fall Time vs. Load
Figure 3.21. Propagation Delay vs. Load
Figure 3.22. Propagation Delay vs. Temperature
silabs.com | Smart. Connected. Energy-friendly.
Figure 3.23. Supply Current vs. Temperature
Rev. 1.8 | 10
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SI8238.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| SI8230 | 0.5 AND 4.0 AMP ISODRIVERS | Silicon Laboratories |
| SI8231 | 0.5 AND 4.0 AMP ISODRIVERS | Silicon Laboratories |
| SI8232 | 0.5 AND 4.0 AMP ISODRIVERS | Silicon Laboratories |
| SI8233 | 0.5 AND 4.0 AMP ISODRIVERS | Silicon Laboratories |
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