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L3383L-XX-AF5-R Arkusz danych(PDF) 3 Page - Unisonic Technologies

Numer części L3383L-XX-AF5-R
Szczegółowy opis  PFM CONTROLLED, STEP-UP DC/DC CONVERTERS (VARIABLE DUTY RATIO)
PDF  14 Pages
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Producent  UTC [Unisonic Technologies]
Strona internetowa  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

L3383L-XX-AF5-R Arkusz danych(HTML) 3 Page - Unisonic Technologies

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L3383
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
3 of 14
www.unisonic.com.tw
QW-R502-032,E
ABSOLUTE MAXIMUM RATINGS (Ta=25 )
℃
PARAMETER
SYMBOL
RATINGS
UNIT
VOUT Input Voltage
VOUT
12
V
Lx pin Voltage
VLx
12
V
CE Input Voltage
VCE
12
V
VDD Input Voltage
VDD
12
V
Lx pin Current
ILX
400
mA
SOT-89
500
mW
Power Dissipation
SOT-25
PD
250
mW
Operating Junction Temperature
TJ
+125
℃
Operating Ambient Temperature
TOPR
-30 ~ +80
℃
Storage Temperature
TSTG
-40 ~ +125
℃
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.
ELECTRICAL CHARACTRISTICS(Ta=25℃, VIN=VOUT× 0.6, unless otherwise specified.)
UTC L3383-2.0V
(IOUT=10mA)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
L, SD, CL etc. connected
1.950 2.000 2.050
V
Maximum Input Voltage
VIN
10
V
Oscillation Start-up Voltage
VST
IOUT=1mA
0.80
0.90
V
Oscillation Hold Voltage
VHLD
IOUT=1mA
0.70
V
Lx Limit Voltage
VLxLMT
Same as IDD1. Fosc>Fosc1×2
0.7
1.1
V
No-Load Input Current
IIN
IOUT=0mA (Note 1)
4.3
8.6
µA
Supply Current 1(Note 2)
IDD1
VIN=VOUT×0.95
13.6
27.3
µA
Supply Current 2
IDD2
VIN=VOUT+0.5V
1.9
3.9
µA
Lx Leakage Current
ILXL
No external components, VOUT=VLx=10V.
1.0
µA
Lx Switch-On Resistance
RSWON Same as IDD1. VLx=0.4V
9.1
13.7
Ω
Duty Ratio 1
DTY1
Same as IDD1. Measuring of Lx waveform
70
75
80
%
Duty Ratio 2
DTY2
IOUT=1mA. Measuring of Lx on-time
40
45
50
%
Efficiency
EFFI
L, SD, CL etc. connected
70
%
Fosc1
Same as IDD1. 75% duty
150
180
210
kHz
Maximum Oscillation Frequency
Fosc2
Same as IDD1. 45% duty
100
120
130
kHz
For 5-Pins package Only
High
VCEH
Same as IDD1.
Existence of Lx Oscillation.
0.75
V
CE Voltage
Low
VCEL
Same as IDD1.
Disappearance of Lx Oscillation
0.20
V
High
ICEH
Same as IDD1. VCE=VOUT×0.95
0.25
µA
CE ”High” Current
Low
ICEL
Same as IDD1. VCE=0V
-0.25
µA
Stand-by Current
ISTB
Same as IDD1.
0.5
µA



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