YB1300
Regulated Charge Pump 5V 100mA
Typical Characteristics
At T
A
=25℃, V
IN
=3.2V, I
OUT
=10mA, C
IN
=C
OUT
=2.2µF, C
PUMP
=0.22µF, V
ENABLE
=V
IN
, unless otherwise noted.
5
4.9
4.8
Output Voltage (V)
4.7
4.6
4.5
4.4
4.3
4.2
0
20
40
60
80
Output Current (m A)
100
120
T
A
=25℃
C
PUMP
=0.22µF
C
OUT
=2.2µF
V
IN
=3.0V
V
IN
=2.7V
V
IN
=3.6V
V
IN
=4.2V
V
IN
=3.4V
220
Short-Circuit Current (mA)
200
180
160
140
120
100
2.5
3
3.5
4
4.5
Supply Voltage (V)
5
5.5
Fig3. Load Regulation
100
90
80
Efficiency (%)
V
IN
=3.4V
V
IN
=2.7V
V
IN
=3.0V
Fig6. Short-Circuit Current vs. Supply Voltage
70
60
50
40
30
1
10
Output Current (m A)
100
V
IN
=3.6V
V
IN
=4.2V
V
OUT
C
N
T
A
=25℃
C
PUMP
=0.22µF
C
OUT
=2.2µF
Fig4. Efficiency
100
80
Output Ripple (mV)
60
40
V
IN
=3.6V
V
IN
=3.0V
V
IN
=2.7V
T
A
=25℃
C
PUMP
=0.22µF
C
OUT
=2.2µF
V
IN
=3.4V
Fig7. Output Ripple
V
IN
=3.6V, I
OUT
=60mA, C
OUT
=2.2µF, C
PUMP
=0.22µF
V
IN
=4.2V
20
0
0
20
40
60
80
Load Current (m A)
100
120
Fig5. Output Current vs. Output Ripple
YB1300 MRev.1.2
Fig8. Start-Up Time and In-Rush Current
V
IN
=3.0V, I
OUT
=0mA, C
OUT
=2.2µF
4
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