Diodes ZXSC410/ZXSC420/ZXSC440 - Manual (Page 11)

ZXSC410/ZXSC420/ZXSC440
Document number: DS33618 Rev. 5 - 2
11 of 17
www.diodes.com
March 2013
© Diodes Incorporated
ZXSC410/ZXSC420/ZXSC440
Application Examples
ZXSC410 DC-DC Boost Voltage Regulators
V
IN
= 2.5V to 4.2V, V
OUT
= 5V; I
LOAD
= 100mA
0 20 40 60 80 100
100
70
90
80 E
F
F
IC
IE
N
C
Y
(%
)
LOAD CURRENT (mA)
Load Current vs. Efficiency
V = 3.6V
IN
V = 4.2V
IN
V = 3V
IN
2.5 3.0 3.5 4.0
100
70
90
80 E
F
F
IC
IE
N
C
Y
(%)
INPUT VOLTAGE (V)
Input Voltage vs. Efficiency
I = 10mA
LOAD
I = 100mA
LOAD
I = 60mA
LOAD
Switching Waveform
Output Ripple
ZXSC410
ZXTN25012EFH
ZHCS2000
22µH
100mΩ 1k Ω
22µF
22µF
V
IN
= 2.5V to 4.2V
R3
16kΩ
C3
100nF