Data Sheet
1A LOW DROPOUT LINEAR REGULATOR
CURRENT MODE PWM CONTROLLER
AZ1117
AZ2842/3/4/5
Typical Performance Characteristics (Continued)
Line_transient_response
IN=4.8V, VOUT=3.33V, CIN=COUT=10µ (TAN)
preload=0.1A
Line_transient_response
IN=4.8V, VOUT=3.33V, CIN=1µ,COUT=10µ (TAN)
V
V
VOUT
VOUT
VIN=5.8V
IOUT=0.5A
VIN=4.8V
IOUT=0.1A
Figure 12. Line Transient Response
Figure 13. Load Transient Response
70
60
50
40
30
20
10
100
1k
10k
100k
Frequency (Hz)
Figure 14. Ripple Rejection vs. Frequency
Oct. 2005 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
17