U6807BAFP1, U6808B, U6809B Selling Leads, Datasheet
MFG:tfk Package Cooled:tfk D/C:dc99
U6807BAFP1, U6808B, U6809B Datasheet download
Part Number: U6807BAFP1
MFG: tfk
Package Cooled: tfk
D/C: dc99
U6807BAFP1, U6808B, U6809B
- Table of contents:
Info of U6807BAFP1
Info of U6808B
Info of U6809B
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About U6801B
PDF/DataSheet Download
Datasheet: U6801B
File Size: 46314 KB
Manufacturer: Atmel
Download : Click here to Download
About U6808B
PDF/DataSheet Download
Datasheet: U6808B
File Size: 177798 KB
Manufacturer: ATMEL [ATMEL Corporation]
Download : Click here to Download
About U6809B
PDF/DataSheet Download
Datasheet: U6809B
File Size: 263795 KB
Manufacturer: ATMEL [ATMEL Corporation]
Download : Click here to Download
U6808B General Description
The U6808B is designed to support the fail-safe function of a safety critical system (e.g., ABS). It includes a relay driver, a watchdog controlled by an external R/C-network and a reset circuit initiated by an over and undervoltage condition of the 5-V supply providing a low-level reset signal.
U6808B Maximum Ratings
|
Parameters |
Symbol |
Value |
Unit |
| Supply voltage range |
VS |
-0.2to+16 |
V |
| Power dissipation VS = 5 V, Tamb = -40 VS = 5 V, Tamb = +125 |
Ptot Ptot |
250 150 |
mW |
| Thermal resistance |
Rthja |
160 |
K/W |
| Junction temperature |
Tj |
150 |
|
| Ambient temperature range |
Tamb |
-40to+125 |
|
| Storage temperature range |
Tstg |
-55to+155 |
U6808B Features
• Digital Self-supervising Watchdog with Hysteresis
• One 250-mA Output Driver for Relay
• Enable Output Open Collector 8 mA
• Over/Undervoltage Detection
• ENABLE and RELAY Outputs Protected Against Standard Transients and 40 V Load Dump
• ESD Protection According to MIL-STD-883 D Test Method 3015.7
Human Body Model: ±2 kV (100 pF, 1.5 k)
Machine Model: ±200 V (200 pF, 0 )
• One 250-mA Output Driver for Relay
• Enable Output Open Collector 8 mA
• Over/Undervoltage Detection
• ENABLE and RELAY Outputs Protected Against Standard Transients and 40 V Load Dump
• ESD Protection According to MIL-STD-883 D Test Method 3015.7
Human Body Model: ±2 kV (100 pF, 1.5 k)
Machine Model: ±200 V (200 pF, 0 )
U6808B Connection Diagram
U6809B General Description
The U6809B is designed to support the fail-safe function of safety-critical systems such as ABS. It includes a relay driver, two independent short-circuit-protected lamp drivers which are supplied by redundant ground lines, two monitoring circuits f or the lamp driver output voltage and output current, a watchdog controlled by an external RC network and a reset circuit initiated by an over- and undervoltage condition of the 5-V supply providing a positive and a negative reset signal.
U6809B Maximum Ratings
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
|
Parameters |
Symbol |
Value |
Unit |
| Supply voltage range |
VS |
-0.2to+16 |
V |
| AUX GND offset voltage to GN |
VAUX |
±1.5 |
V |
| AUX GND offset current to GND |
IAUX |
-600 |
mA |
| Power dissipation VS = 5 V; Tamb = 125 |
Ptot |
700 |
mW |
| Thermal resistance |
Rthjc |
25 |
K/W |
| Junction temperature |
Tj |
150 |
|
| Ambient temperature range |
Tamb |
-40to+125 |
|
| Storage temperature range |
Tstg |
-55to+155 |
U6809B Features
• Digital Self-supervising Watchdog with Hysteresis
• Three 250-mA Output Drivers
• One Relay Driver, Two Lamp Drivers
• Lamp Drivers with Auxiliary Ground
• Lamp Drivers Short-circuit Protected
• Lamp Drivers with Status Feedback
• Enable Output
• Over-/Undervoltage Detection and Reset
• All Power Outputs Protected Against Standard Transients
• All Power Outputs Protected Against 40-V Load Dump
• Automatically Activated Lamp Drivers if VS is Disconnected
• Automatically Activated Lamp Drivers Via AUX GND if Standard Ground is Disconnected
U6809B Connection Diagram
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