Preliminary Datasheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
Ordering Information
AP2121
AP2121
-
E1: Lead Free
Circuit Type
TR: Tape and Reel
A: Active High
(Pull-down resistor built-in)
Blank: No Enable Function
Package
N: SOT-23-3
K: SOT-23-5
1.5:
1.8:
2.5:
2.8:
3.0:
3.2:
3.3:
Fixed Output 1.5V
Fixed Output 1.8V
Fixed Output 2.5V
Fixed Output 2.8V
Fixed Output 3.0V
Fixed Output 3.2V
Fixed Output 3.3V
Package
Temperature Range
Condition
Part Number
AP2121N-1.5TRE1
AP2121N-1.8TRE1
AP2121N-2.5TRE1
Marking ID
EF1
EF3
EF4
EF5
EF6
EF7
EF8
E1Z
E1U
E1V
E1W
E1X
E3Z
E1Y
Packing Type
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
SOT-23-3
-40 to 85
o
C
AP2121N-2.8TRE1
AP2121N-3.0TRE1
AP2121N-3.2TRE1
AP2121N-3.3TRE1
Active High (Pull-down resistor built-in) AP2121AK-1.5TRE1
Active High (Pull-down resistor built-in) AP2121AK-1.8TRE1
Active High (Pull-down resistor built-in) AP2121AK-2.5TRE1
SOT-23-5
-40 to 85
o
C
Active High (Pull-down resistor built-in) AP2121AK-2.8TRE1
Active High (Pull-down resistor built-in) AP2121AK-3.0TRE1
Active High (Pull-down resistor built-in) AP2121AK-3.2TRE1
Active High (Pull-down resistor built-in) AP2121AK-3.3TRE1
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Mar. 2007 Rev. 1. 4
4
BCD Semiconductor Manufacturing Limited