Datasheet

UG-205 Evaluation Board User Guide
Rev. A | Page 4 of 12
TEST RESULTS
T
A
= 25°C.
100
90
80
70
60
50
40
30
20
10
0
01020304050
EFFICIENCY (%)
LOAD (A)
09456-002
V
IN
= 12V
V
OUT
= 1.09V
f
SW
= 300kHz
Figure 2. Efficiency
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
0 5 10 15 20 25
LINE REGULATION (%)
VIN (V)
09456-003
f
SW
= 300kHz, 25A LOAD
V
OUT
= 1.09V
Figure 3. Line Regulation
0.5
0.4
0.3
0.2
0.1
0
–0.5
–0.4
–0.3
–0.2
–0.1
0 1020304050
LOAD REGULATION (%)
LOAD (A)
09456-004
V
IN
= 12V, f
SW
= 300kHz
V
OUT
= 1.09V
Figure 4. Load Regulation
09456-005
CH1 10V
CH3 10V
CH4 20mV M2µs A CH3 10.2V
1
3
4
SW1
OUTPUT RIPPLE
SW2
Figure 5. Output Ripple, 50 A Load
09456-006
CH3 10A Ω CH4 20mV M100µs A CH3 10.2A
3
4
1A TO 16A STEP LOAD
OUTPUT RESPONSE
Figure 6. Step Load Transient, V
OUT