AN_SY8088
AN_SY8088 Rev. 0.1 Silergy Corp. Confidential- Prepared for Customer Use Only 4
Typical Performance Characteristics
Efficiency vs. Load Current
Load Current (mA)
1
10
100
1000
65
70
75
80
85
90
95
V
IN
=5.0V,V
OUT
=1.2V
V
IN
=3.3V,V
OUT
=1.2V
V
IN
=4.2V,V
OUT
=1.2V
Efficiency vs. Load Current
Load Current (mA)
1
10
100
1000
70
75
80
85
90
95
V
IN
=4.2V,V
OUT
=1.8V
V
IN
=3.3V,V
OUT
=1.8V
V
IN
=5.0V,V
OUT
=1.8V
Efficiency vs. Load Current
Load Current (mA)
1
10
100
1000
70
75
80
85
90
95
100
V
IN
=5V,V
OUT
=3.3V
V
IN
=4.2V,V
OUT
=3.3V
Output Ripple
∆Vout
20mV/div
L
X
2.0V/div
(V
IN
=5.0V, V
OUT
=1.8V, I
LOAD
=0A)
Time (400ns/div)
I
L
0.5A/div
Output Ripple
∆Vout
20mV/div
L
X
2.0V/div
(V
IN
=5.0V, V
OUT
=1.8V, I
LOAD
=0.2A)
Time (400ns/div)
I
L
0.5A/div
Output Ripple
∆Vout
20mV/div
L
X
2.0V/div
(V
IN
=5.0V, V
OUT
=1.8V, I
LOAD
=1A)
Time (400ns/div)
I
L
1.0A/div