LD39100PU10R STMICROELECTRONICS [STMicroelectronics], LD39100PU10R Datasheet - Page 15

• Manufacturer Part Number: LD39100PU10R
• Description: 1 A, low quiescent current, low noise voltage regulator
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

LD39100XX, LD39100XX12, LD39100XX25
6
Figure 32. Typical application circuit for the fixed output version
Figure 33. Typical application circuit for the adjustable version
Application information
The LD39100xx is an ultra low dropout linear regulator. It provides up to 1 A with a low 200
mV dropout. The input voltage range is from 1.5 V to 5.5 V. The device is available in fixed
and adjustable output versions.
The regulator is equipped with internal protection circuitry, such as short-circuit current
limiting and thermal protection.
The regulator is stable due to ceramic capacitors on the input and the output. The expected
values of the input and output ceramic capacitors are from 1 µF to 22 µF with 1 µF typical.
The input capacitor must be connected within 0.5 inches of the V
capacitor must also be connected within 0.5 inches of output pin. There is no upper limit to
the value of the input capacitor.
Figure 32
V
V
V
V
IN
IN
IN
IN
C
C
C
C
IN
IN
IN
IN
and
OFF ON
OFF ON
Figure 33
OFF ON
OFF ON
6
6
1
1
6
6
1
1
illustrate the typical application schematics:
EN
EN
EN
EN
V
V
V
V
IN
IN
IN
IN
Doc ID 15676 Rev 2
LD39100PUxx
LD39100PUxx
LD39100PU
LD39100PU
GND
GND
2
2
GND
GND
2
2
V
V
V
V
ADJ
ADJ
OUT
OUT
PG
PG
NC
NC
PG
PG
OUT
OUT
4
4
5
5
3
3
4
4
5
5
3
3
R
R
R
R
1
1
2
2
IN
Application information
terminal. The output
C
C
C
C
V
V
OUT
OUT
V
V
OUT
OUT
OUT
OUT
OUT
OUT
15/24