TSM112
3.3V 5V 12V HOUSEKEEPING IC
s
OVER VOLTAGE PROTECTION FOR 3.3V
s
s
s
s
s
s
s
s
s
s
5V AND 12V WITHOUT EXTERNAL COM-
PONENTS
UNDER VOLTAGE PROTECTION FOR 3.3V
5V AND 12V WITHOUT EXTERNAL COM-
PONENTS
OVER VOLTAGE PROTECTION FOR -12V
OR -5V WITH EXTERNAL COMPONENTS
EXTERNALLY ADJUSTABLE UNDER VOLT-
AGE BLANKING DURING POWER UP
POWER GOOD INPUT/OUTPUT
EXTERNALLY ADJUSTABLE PG DELAY
FAULT OUTPUT
REMOTE OUTPUT
EXTERNALLY ADJUSTABLE REMOTE
DELAY
PRECISION VOLTAGE REFERENCE
2kV ESD PROTECTION
N
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
DESCRIPTION
The TSM112 integrated circuit incorporates all
sensing circuitry to regulate and protect from over
voltage and under voltage a multiple output power
supply (3.3V, 5V and 12V).
TSM112 incorporates all the necessary functions
for Housekeeping features which allow safe oper-
ation in all conditions, and very high system inte-
gration.
TSM112 integrates a precise voltage reference.
APPLICATION
PIN CONNECTIONS
(top view)
VS33
VS5
VS12
EP
PI
TUV
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
FAULT
PG
TPG
TREM
REM
VREF
s
PC SMPS Triple Power Line Housekeeping
IC (3.3V 5V 12V)
ORDER CODE
Part
Number
TSM112CN
TSM112CD
Temperature
Range
0 to 85擄C
0 to 85擄C
Package
Marking
N
鈥?/div>
鈥?/div>
D
TSM112C
M112
GND
N =
Dual in Line Package (DIP)
D =
Small Outline Package (SO) - also available in Tape & Reel (DT)
January 2001
1/7
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