UC3550G-XX-AF5-R UTC [Unisonic Technologies], UC3550G-XX-AF5-R Datasheet - Page 9

• Manufacturer Part Number: UC3550G-XX-AF5-R
• Description: PWM CONTROLLED,PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER
• Manufacturer: UTC [Unisonic Technologies]

UC3550
TYPICAL CHARACTERISTICS(Cont.)
100
80
60
40
20
0
25
20
15
10
0. 01
5
0
-50
V
V
UNISONIC TECHNOLOGIES CO., LTD
IN
Efficiency vs Output Current (5.0V)
www.unisonic.com.tw
IN
=2.0V
EXT ON-Resistance vs Temperature
=3.0V
0.1
V
V
Open-Loop Test
Output Current, I
- 25
OUT
EXT
=V
=5.0V×0.96
1
OUT
Temperature℃
0
-0.4V
V
10
25
IN
=0.9V
V
V
Open-Loop Test
OUT
OUT
EXT
50
(mA)
100
=0.4V
=5.0V×0.96
75
1000
100
180
200
160
140
120
100
0.4
2.0
1.6
1.2
0.8
0.0
80
60
20
40
0
0
(Using MOSFET) Output Current (3.3V)
Startup/Hold Voltage vs Output Current
0
Ripple Voltage vs Output Current
V
IN
200
=1.5V
Output Current, I
20
Output Current, I
V
IN
=2.0V
400
40
V
start
V
nold
V
600
IN
60
=3.0V
OUT
C
(mA)
(mA)
V
IN
800
80 100
QW-R502-082,B
CMOS IC
=4.5V
1000
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