US1010-25 UNISEM, US1010-25 Datasheet - Page 3

• Manufacturer Part Number: US1010-25
• Description: 1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR
• Manufacturer: UNISEM

Rev. 1.1
10/30/00
BLOCK DIAGRAM
BLOCK DIAGRAM
PIN DESCRIPTIONS
PIN DESCRIPTIONS
PIN# PIN SYMBOL
1
2
3
Gnd
Vout
Vin
Vin 3
Pin Description
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.
SHUTDOWN
THERMAL
Figure 1 - Simplified block diagram of the US1010-25
CURRENT
LIMIT
+
1010-25blk1-1.0
1.25V
+
2 Vout
1 Gnd
US1010-25
2-3