MIC23099_14 Datasheet, PDF (12/26 Pages) Micrel Semiconductor – Single AA/AAA Cell Step-Up/Step-Down Regulators with Battery Monitoring

Micrel, Inc.
Typical Characteristics (Continued)
350
300
250
200
150
100
50
0
0
Buck Switching Frequency
vs. Output Current
PFM
0.01
V_OUT1 = 1.8V
V_OUT2 = 1.0V
T_A = 25⁰C
0.02
0.03
OUTPUT CURRENT (A)
Buck Ripple Rejection
90
80
70
60
50
40
30
20
10
V_IN =1.5V
0
V_OUT2 = 1.0V
-10
I_OUT = 0A
T_A = 25°C
-20
0.1
1
10
100
FREQUENCY (kHz)
1000
MIC23099
Boost Ripple Rejection
90
80
70
60
50
40
30
20
10
0
-10
-20
0.1
V_IN =1.5V
V_OUT1 = 1.8V
I_OUT = 0A
T_A = 25°C
1
10
100
FREQUENCY (kHz)
1000
August 6, 2014
12
Revision 1.3