US1010-33
PIN DESCRIPTIONS
PIN# PIN SYMBOL
Pin Description
1
2
3
Gnd
Vout
Vin
Gnd pin. This pin must be connected to GND plane using a low inductance short connec-
tion.
The output of the regulator. This pin is also connected to the tab of the package. An
output capacitor must be connected to this pin to insure stability of the regulator.
Input pin of the regulator.
BLOCK DIAGRAM
Vin 3
2 Vout
+
+
1.25V
CURRENT
LIMIT
THERMAL
SHUTDOWN
1 Gnd
1010-33blk1-1.0
Figure 1 - Simplified block diagram of the US1010-33
Rev. 1.2
10/30/00
2-3