PSB2120 View Datasheet(PDF) - Siemens AG
Part Name
Description
MFG CO.
PSB2120 Datasheet PDF : 20 Pages
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PSB 2120
Pin Definitions and Functions (cont’d)
Pin Pin Symbol Input (I) Definition
No. No.
Output (O)
P-DSO P-DIP
Function
15
13
ENA
I
Enable
A high input voltage at this pin will
stop the IRPC-function.
16
14
CO
O
Comparator
output
17
15
CN
I
Comparator
neg. input
Connections of the universal usable
comparator.
18
16
CP
I
Comparator
pos. input
19
17
GND I
Ground
All analog and digital signals are
referred to this pin.
20
18
VEXT
I/O
External supply
Output of the internal CMOS-supply.
Via VEXT the internal CMOS-circuits
can be supplied from an external
DC-supply in order to reduce chip
power dissipation.
21
19
IN
I
22
20
IP
I
Negative current
sense
Positive current
sense
When the voltage difference
between these two pins exceeds
100 mV, the digital current limiting
becomes active.
23
21
VREF
O
Reference
voltage
Output of the 4.0 V reference
voltage.
24
22
VS
I
Supply voltage VBAT is the positive input voltage.
Semiconductor Group
4
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