UC3550G-XX-AF5-R UTC [Unisonic Technologies], UC3550G-XX-AF5-R Datasheet - Page 5

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

UC3550
UC3550-5.0V
OSCILLATOR
Frequency
Frequency Temperature Coefficient
Maximum PWM Duty Cycle
Minimum Start-up Voltage
Minimum Start-up Voltage
Minimum Start-up Voltage
Temperature Coefficient
Minimum Operation Hold Voltage
Soft-Start Time
CE (PIN 1)
CE Input Voltage :
High State, Device Enabled
Low State, Device Disabled
CE Input Current :
High State, Device Enabled
Low State, Device Disabled
EXT (PIN 5)
ON Resistance
TOTAL DEVICE
Output Voltage
Output Voltage temperature
coefficient
Operating Current
Stand-by Current
Off-State Current
Efficiency
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
EXT “H”
EXT “L”
SYMBOL
△
V
V
△
V
I
D
V
V
STN-BY
V
R
START1
START2
V
R
f
I
I
I
OUT
△
I
OSC
t
CEH
V
CEL
OFF
MAX
OPR
CEH
SS
CEL
EXTH
DD
START
EXTL
η
OUT
f
V
Ta=-40°C ~ 85°C
V
I
I
Ta=-40°C ~ 85°C
I
V
V
V
V
V
V
Ta=-40 ~ 85°C
V
V
V
Ta=-40 ~ +85°C
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
EXT
EXT
OUT
OUT
OUT
=0mA
=1mA
=0mA
=V
=0.4V
= 200mA, V
=V
=V
=V
=V
=V
=5.0V, V
=V
=V
=5.0V, V
TEST CONDITIONS
OUT
SET
SET
SET
SET
CE
CE
CE
=5.0V
=V
=V
×0.96
×0.96
×0.96
-0.4V
SET
SET
CE
CE
×0.96
+0.5V
=0V
=0V,
IN
= 3.0V
4.875
MIN
-0.5
240
900
70
80
0
TYP
0.15
-1.6
300
800
900
600
150
136
0.1
0.6
80
60
15
88
0
6
6
5
5.125
MAX
360
900
700
200
680
220
0.5
0.5
1.5
90
10
10
38
QW-R502-082,B
CMOS IC
1
5 of 10
ppm/°C
mV/°C
UNIT
%/°C
kHz
Ω
Ω
mV
mV
mV
mV
ms
μA
μA
μA
μA
μA
%
%
V
V