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UC3656G-AF5-R датащи(PDF) 4 Page - Unisonic Technologies

номер детали UC3656G-AF5-R
подробное описание детали  1MHz,800mA SYNCHRONOUS BUCK CONTROLLER
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производитель  UTC [Unisonic Technologies]
домашняя страница  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3656G-AF5-R датащи(HTML) 4 Page - Unisonic Technologies

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UC3656
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 7
www.unisonic.com.tw
QW-R502-469.A
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Power Supply Voltage
VSS
-0.3 ~ +6.0
V
RUN,FB
VIN
-0.3 ~ VIN
V
Input Pin Voltage
SW
VIN
-0.3 ~ VIN +0.3
V
P-Channel Switch Source Current (DC)
1000
mA
N-Channel Switch Sink Current (DC)
1000
mA
Peak SW Sink and Source Current
1.5
A
Ambient Operating Temperature
TOPR
-35 ~ +85
°C
Storage Temperature
TSTG
-55 ~ +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.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
RATINGS
UNIT
Power Supply Voltage
VIN
2.5 ~ 5.5
V
Junction Temperature
TJ
+150
°C
Operating Junction Temperature
TJ
-20 ~ +85
°C
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
165
°C/W
ELECTRICAL CHARACTERISTICS (VIN=3.6V, TA=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
Input Supply Range
VIN
2.5
5.5
V
Quiescent Current (Note)
IS
FB=0.8V, ILOAD=0A, Active Mode
300
µA
Current In Standby Mode
IST
RUN=0V, VIN=5.5V
0.5
1
µA
Feedback Voltage
VFB
TA=-20°C ~ +85°C
0.588
0.6
0.612
V
Feedback Voltage Line-Regulation
VFB-LINE VCC=2.5V ~ 5.5V
0.1
0.5
%
Feedback Variation with Temperature
TA=-20°C ~ +85°C
0.5
1.0
%
Feedback Current
IFB
±200
nA
Peak Inductor Current (Note)
IPK
VIN=5V, VOUT=3.3V
1.10
1.25
1.50
A
Maximum Output Current (Note)
IO
VIN=5V±5%, VOUT=3.3V, L=4.7µH
800
mA
fOSC1
FB=0.8V
0.8
1.0
1.2
MHZ
Oscillator Frequency
fOSC2
FB=0V
200
KHZ
RDS(ON) of P-Channel MOSFET
RPFET
ISW =600mA
0.4
0.5
RDS(ON) of N-Channel MOSFET
RNFET
ISW =-600mA
0.35
0.45
SW Leakage Current
ILSW
RUN=0V,SW=0Vor 5V,VIN=5V
±0.1
±1
µA
RUN Threshold
VRUN
0.3
1.0
1.5
V
RUN Leakage Current
IRUN
±0.1
±1
µA
Note:
L
t
)
V
V
(
I
I
I
I
ON
OUT
IN
O
O
PK
×
×
+
=
Δ
+
=
2
2


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