MIC5245-2.5BM5 Micrel Semiconductor, MIC5245-2.5BM5 Datasheet - Page 9

• Manufacturer Part Number: MIC5245-2.5BM5
• Description: 150mA Cap CMOS LDO Regulator Preliminary Information
• Manufacturer: Micrel Semiconductor

MIC5245
effects on voltage regulators, refer to the Regulator Thermals
section of Micrel’s Designing with Low-Dropout Voltage Regu-
lators handbook.
Fixed Regulator Applications
Figure 1 includes a 0.01 F capacitor for low-noise operation
and shows EN (pin 3) connected to IN (pin 1) for an applica-
tion where enable/shutdown is not required. C
minimum.
June 2000
Figure 1. Ultra-Low-Noise Fixed Voltage Application
V
IN
MIC5245-x.xBM5
1
2
3
5
4
0.01µF
V
1µF
OUT
OUT
= 1 F
9
Figure 2 is an example of a low-noise configuration where
C
Dual-Supply Operation
When used in dual supply systems where the regulator load
is returned to a negative supply, the output voltage must be
diode clamped to ground.
BYP
Figure 2. Low-Noise Fixed Voltage Application
is not required. C
Shutdown
Enable
V
EN
IN
OUT
MIC5245-x.xBM5
1
2
3
= 1 F minimum.
5
4
V
OUT
1.0µF
MIC5245
Micrel