RBO08-40G ,REVERSED BATTERYAND OVER VOLTAGE PROTECTION CIRCUIT (RBO)applications, thismonolithic component offers multiple functions inthe same package :D1 : reversed ..
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RBO08-40G
REVERSED BATTERYAND OVER VOLTAGE PROTECTION CIRCUIT (RBO)
RBO08-40G/M/T
8A DIODE TO GUARD AGAINST BATTERY RE-
VERSAL.
NEGATIVE OVERVOLTAGE PROTECTION BY
CLAMPING.
COMPLIANT WITH ISO/DTR 7637 STANDARD
FOR PULSES 1, 2, 3a and 3b.
SUITABLE FOR AUTOPROTECTED ALTER-
NATOR ENVIRONMENT.
BREAKDOWN VOLTAGE : 24 V min.
CLAMPING VOLTAGE : ± 40 V max.
MONOLITHIC STRUCTURE FOR GREATER
RELIABILITY.
FEATURESDesigned to protect against battery reversal and
overvoltages in automotive applications, this
monolithic component offers multiple functions in
the same package :: reversed battery protection: clamping against negative overvoltages: Transil function for overvoltage protection.
DESCRIPTION
FUNCTIONAL DIAGRAMREVE RSED BATTE RY ANDE RVOLTAGE P ROT ECTION CIRCUIT (R BO)
Application Specific Discretes
A.S.D.TM
January 1998 - Ed : 2
1/14
Note 1 : for a surge greater than the maximum value, the device will fail in short-circuit..TM : PowerSO-10, TRANSIL and ASD are trademarks of SGS-THOMSON Microelectronics.
ABSOLUTE MAXIMUM RATINGS
THERMAL RESISTANCE
RBO08-40G / RBO08-40M / RBO08-40T2/14
ELECTRICAL CHARACTERISTICS : DIODE D1 (- 40°C < Tamb < + 85°C)
ELECTRICAL CHARACTERISTICS : TRANSIL T1 (- 40°C < Tamb < + 85°C)
ELECTRICAL CHARACTERISTICS : TRANSIL T2 (- 40°C < Tamb < + 85°C)
RBO08-40G / RBO08-40M / RBO08-40T3/14
PRODUCT DESCRIPTION
BASIC APPLICATION
MOTOR DRIVER APPLICATION
RBO08-40G / RBO08-40M / RBO08-40T4/14
- Input (1): Pin 1
- Output (3): Pin 3
- Gnd (2): Connected to base Tab
Marking : Logo, date code, RBO08-40G
PINOUT configuration in D2
PAK :- Input (1): Pin 1
- Output (3): Pin 3
- GND (2): Connected to base Tab
Marking : Logo, date code, RBO08-40T
PINOUT configuration in TO220AB :- Input (1): Pin 3
- Output (3): Pin 7 and 9
- Gnd (2): Connected to base Tab
Marking : Logo, date code, RBO08-40M
PINOUT configuration in PowerSO-10 :
RBO08-40G / RBO08-40M / RBO08-40T5/14
5 10 20 50 1000.110.0
(kW)
Fig. 1 : Peak pulse power versus exponentialpulse duration (Tj initial = 85°C).
VCL(V)0.1 0.2 0.5 1.0 2.0 5.0 10.0 20.0 50.0 100.025
Fig. 2-2 : Clamping voltage versus peak pulse
current (Tj initial = 85°C).
Exponential waveform tp = 1 ms and tp = 20 μs
(TRANSIL T1).
0.1 0.2 0.5 1.0 5.0 10.0 20.0 50.025
VCL(V)Fig. 2-1 : Clamping voltage versus peak pulse
current (Tj initial = 85°C).
Exponential waveform tp = 40 ms and tp = 1 ms
(TRANSIL T2). 25 50 75 100 125 150 1750.00
Ppp[Tj]/Ppp[Tj initial=85°C]
Fig. 3 : Relative variation of peak pulse power
versus junction temperature.
RBO08-40G / RBO08-40M / RBO08-40T6/14
1E-3 1E-2 1E-1 1E+0 1E+10.1
Zth(j-c)/Rth(j-c)
Fig. 4 : Relative variation of thermal impedance
junction to case versus pulse duration.
0.1 1.0 10.0 20.00.0
V(VFM)
Fig. 5-1 : Peak forward voltage drop versus peak
forward current (typical values) - (TRANSIL T2).
V(VFM)0.1 1.0 10.0 20.00.0
Fig. 5-2 : Peak forward voltage drop versus peak
forward current (typical values) - (DIODE D1).
ORDERING INFORMATION
Fig. 6 : Relative variation of leakage current versus junction temperature.
RBO08-40G / RBO08-40M / RBO08-40T7/14
