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RBO08-40G Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer RBO08-40G
Beschreibung REVERSEDBATTERYAND OVERVOLTAGEPROTECTIONCIRCUITRBO
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 14 Seiten
RBO08-40G Datasheet, Funktion
® RBO08-40G/M/T
Application Specific Discretes
REVERSEDBATTERYAND
A.S.D.TM
OVERVOLTAGEPROTECTIONCIRCUIT (RBO)
FEATURES
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.
D2PAK
RBO08-40G
DESCRIPTION
Designed to protect against battery reversal and
overvoltages in automotiveapplications, this
monolithic component offers multiple functions in
the same package :
D1 : reversed battery protection
T1 : clamping against negative overvoltages
T2 : Transil function for overvoltage protection.
PowerSO-10TM
RBO08-40M
TO220AB
RBO08-40T
FUNCTIONAL DIAGRAM
1
3
January 1998 - Ed : 2
2
1/14






RBO08-40G Datasheet, Funktion
RBO08-40G / RBO08-40M / RBO08-40T
Fig. 1 : Peak pulse power versus exponential
pulse duration (Tj initial = 85°C).
Ppp (kW)
10.0
5.0
2.0
1.0
0.5
0.2
0.1
1
Diode D1
25
Transil T2
tp(ms)
10 20
50 100
Fig. 2-1 : Clamping voltage versus peak pulse
current (Tj initial = 85°C).
Exponential waveform tp = 40 ms and tp = 1 ms
(TRANSIL T2).
VCL (V)
45
40
35
30
25
0.1 0.2
tp = 40ms
tp = 1ms
Ipp(A)
0.5 1.0 2.0
5.0 10.0 20.0 50.0
Fig. 2-2 : Clamping voltage versus peak pulse
current (Tj initial = 85°C).
Exponential waveform tp = 1 ms and tp = 20 µs
(TRANSIL T1).
VCL (V)
50
45
40
35
30
25
0.1 0.2
tp = 1ms
tp = 20µs
Ipp(A)
0.5 1.0 2.0 5.0 10.0 20.0 50.0 100.0
Fig. 3 : Relative variation of peak pulse power
versus junction temperature.
Ppp[Tj]/Ppp[Tj initial=85°C]
1.20
1.00
0.80
0.60
0.40
0.20
0.00
0
Tj initial (°C)
25 50 75 100 125 150 175
6/14
®

6 Page









RBO08-40G pdf, datenblatt
RBO08-40G / RBO08-40M / RBO08-40T
PACKAGE MECHANICAL DATA
B
HE
10
6
E2
0.10A B
E3 E1
15
h
A
F
A1
eB
0.25 M
D
D1
E4
DETAIL ”A”
SEATING
PLANE
A
C
Q
SEATING
PLANE
A1
DETAIL ”A”
a
L
DIMENSIONS
REF. Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
A 3.35
3.65 0.131
0.143
A1 0.00
0.10 0.00
0.0039
B 0.40
0.60 0.0157
0.0236
C 0.35
0.55 0.0137
0.0217
D 9.40
9.60 0.370
0.378
D1 7.40
7.60 0.291
0.299
E 9.30
9.50 0.366
0.374
E1 7.20
7.40 0.283
0.291
E2 7.20
7.60 0.283
0.299
12/14
®
DIMENSIONS
REF. Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
E3 6.10
6.35 0.240
0.250
E4 5.90
6.10 0.232
0.240
e 1.27
0.05
F 1.25
1.35 0.0492
0.0531
H 13.80
14.40 0.543
0.567
h 0.50
0.019
L 1.20
1.80 0.0472
0.0708
Q 1.70
0.067
a 0°
8° 0°
8°

12 Page





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