CS3361 Datasheet, PDF (1/5 Pages) Cherry Semiconductor Corporation – Alternator Voltage Regulator FET Driver

CS3361
Alternator Voltage Regulator
FET Driver
Description
Features
The CS3361 integral alternator reg-
ulator integrated circuit provides
the voltage regulation for automo-
tive, 3-phase alternators.
It drives an external logic level N
channel enhancement power FET
for control of the alternator field
current. In the event of a charge
fault, a lamp output pin is provided
to drive an external darlington tran-
sistor capable of switching on a
fault indicator lamp. An overvolt-
age or no Stator signal condition
activates the lamp output.
The CS3361 is available in a 14 lead
SO package.
s Drives Logic Level Power
NFET
s 80V Load Dump
s Temperature Compensated
Regulation Voltage
s Shorted Field Protection
Duty Cycle, Self Clearing
Absolute Maximum Ratings
Storage Temperature Range .....................................................-55°C to +165°C
Junction Temperature Range ....................................................-40°C to +150°C
Continuous Supply..........................................................................................27V
I_CC Load Dump .........................................................................................400 mA
Lead Temperature Soldering
Reflow (SMD styles only)............60 sec. max above 183°C, 230°C peak
Block Diagram
VCC
ENABLE
IGN
Series
Regulator
Load Dump
Detection and
Protection
VSUP
Sense
–+
LAMP
+
–
VREG
OSC
RS Flop
Set ^S
R ^Dominate
QR
Lamp
Indicator
OSC
VSUP
Device
Driver
+
–
VHV
DELAY
SC
ENABLE
STATOR
Power Up
VSUP
STATOR
Timer
STATOR
Gnd
Rev. 1/29/99
1
Package Options
14 Lead SO
DD ¹
SC
Gnd
NC
NC
V_CC
OSC
Sense
Lamp
NC
STATOR
NC
NC
IGN
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: [phone] Fax: [phone]
Email: [e-mail]
Web Site: www.cherry-semi.com
A
® Company