User Guide 053
UG053.1
October 26, 2015
Submit Document Feedback
10
Typical Performance Curves
Unless noted: V
IN
= 5.5V, f
SW
= 1MHz, internal (soft-start).
FIGURE 11. 3.3V
OUT
, R
3
= 25k, C
5
= 470pF, C
OUT
= 100µF
(EFFECTIVE CAPACITANCE), C
4
= 47pF, L = 2.2µH
FIGURE 12. 1.2V
OUT
, R
3
= 70k, C
5
= 220pF, C
OUT
= 144µF
(EFFECTIVE CAPACITANCE), C
4
= 33pF, L = 1µH
FIGURE 13. LOAD TRANSIENT 5.5V
IN
/3.3V
OUT,
R
3
= 25k,
C
5
= 470pF, C
OUT
= 100µF (EFFECTIVE CAPACITANCE),
C
4
= 47pF, L = 2.2µH, SLEW RATE: 0.1A/µs
FIGURE 14. LOAD TRANSIENT 5.5V
IN
/1.2V
OUT
, R
3
= 70k,
C
5
= 220pF, C
OUT
= 144µF (EFFECTIVE CAPACITANCE),
C
4
= 33pF, L = 1µH, SLEW RATE: 0.1A/µs
500µs/DIV
I
OUT
5A/DIV
V
OUT
2V/DIV
500µs/DIV
I
OUT
5A/DIV
V
OUT
500mV/DIV
V
OUT
RIPPLE 100mV/DIV
I
OUT
5A/DIV
1ms/DIV
1ms/DIV
V
OUT
RIPPLE
20mV/DIV
I
OUT
5A/DIV
