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UC3666G-B10-R датащи(PDF) 4 Page - Unisonic Technologies

номер детали UC3666G-B10-R
подробное описание детали  DUAL CHANNEL 800mA HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER
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производитель  UTC [Unisonic Technologies]
домашняя страница  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3666G-B10-R датащи(HTML) 4 Page - Unisonic Technologies

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UC3666
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 8
www.unisonic.com.tw
QW-R502-489.a
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Supply Voltage
VIN
GND-0.3 ~ +6.5
V
SW Voltage
-0.3 ~ VIN +0.3
V
ENB, VFB Voltage
-0.3 ~ VIN
V
SW Peak Current
1.5
A
ESD Classification
Class 2
Junction Temperature
TJ
125
°C
Operating Temperature
Torp
-20 ~ +85
°C
Storage Temperature Range
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
The IC has a protection circuit against static electricity. Do not apply high static electricity or high voltage that
exceeds the performance of the protection circuit to the IC.
THERMAL DATA
PARAMETER
SYMBOL
TYP
MAX
UNIT
Junction ambient
θJA
50
°C/W
ELECTRICAL CHARACTERISTICS (Recommended Operating Conditions, unless otherwise
specified; VIN=3.6V, TA=0 ~ 70°C (typical=25°C))
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
Supply Voltage
VIN
2.5
5.5
V
Feedback Current
IVFB
-30
0.5
30
nA
TA=25°C
0.588
0.6
0.612
V
Regulated Feedback Voltage
VFB
-40°C≤TA≤85°C
0.582
0.6
0.618
V
Reference Voltage Line Regulation
ΔVFB
VIN=2.5V ~ 5.5V
0.04
0.4
%V
Output Voltage Line Regulation
ΔVOUT
VIN=2.5V ~ 5.5V
0.04
0.4
%V
Output Voltage Load Regulation
VLOADRGE
0.5
%
Shutdown Current
IS
VEN=0V, VIN=5.5V
0.01
1
µA
SW Leakage Current
ILEAK
VEN=0V, VIN=5.5V, VSW=0V or 5.5V
-1
1
µA
PMOSFET On Resistance
RDSONP ISW=100mA
0.35
NMOSFET On Resistance
RDSONN ISW=100mA
0.24
PMOSFET Current Limit
IPCL
Duty Cycle=100%
Current Pulse Width<1ms
0.9
1.2
1.4
A
Oscillator Frequency
fOSC
1.2
1.6
2.0
MHZ
Thermal Shutdown Threshold
TS
145
°C
EN High Level Input Voltage
VEN
-40°C≤TA≤+85°C
0.9
V
EN Low Level Input Voltage
VEN
-40°C≤TA≤+85°C
0.3
V
EN Input Current
IEN
VEN=0V ~ VIN
-1
1
µA


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