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L3380-XX-AF5-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 L3380-XX-AF5-R
功能描述  PWM STEP UP DC-DC CONTROLLER
PDF  9 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

L3380-XX-AF5-R 数据表(HTML) 4 Page - Unisonic Technologies

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L3380
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 9
www.unisonic.com.tw
QW-R502-099,A
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
VOUT Pin Voltage
VOUT
12
V
SHUTDOWN Pin Voltage
VSHUTDOWN
VSS-0.3~12
V
EXT Pin Voltage
VEXT
-0.3~ VOUT+0.3
V
EXT Pin Current
IEXT
±80
mA
Power Dissipation
PD
250
mW
Operating Ambient Temperature
TOPR
-40~+85
℃
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 CHARACTERISTICS
Refer to the test circuit, TOPR=25ºC, VIN=VOUT (S)*0.6, IOUT=VOUT (S)/50Ω, unless otherwise specified.
PARAMETER
SYMBOL
TEST
CIRCUIT
TEST CONDITION
MIN
TYP
MAX
UNIT
TOTAL DEVICE
Output Voltage
VOUT
2
VOUT
(S)*0.976
VOUT (S)
VOUT
(S)*1.024
V
Supply Current 1
IS1
1
VOUT=VOUT (S)*0.95
39.8
66.4
uA
Supply Current 2
IS2
1
VOUT=VIN (S)+0.5V
6.3
12.5
uA
Input Voltage
VIN
2
10
V
Operation Holding Voltage
VHOLD
2
Measured by decreasing VIN
voltage gradually, when
IOUT=1mA.
0.7
V
Operation Start Voltage
VST1
2
IOUT=1mA
0.9
V
Oscillation Start Voltage
VST2
1
Increase the VIN until EXT pin
output the oscillating signal
0.8
V
Oscillation Frequency
fOSC
1
VOUT=VOUT (S)*0.95
85
100
115
KHZ
Duty Ratio
Duty
1
VOUT=VOUT (S)*0.95
75
83
90
%
Line Regulation
⊿
LNR
2
VIN=VOUT (S)*0.4 to *0.6
30
60
mV
Load Regulation
⊿
LDR
2
IOUT=10uA to VOUT (S)/50*1.25
30
60
mV
Temperature Coefficient
ET
2
⊿
VOUT/(⊿TOPR*VOUT)
TOPR=-40℃ to +85℃
±
50
ppm/
℃
Efficiency
EF
2
86
%
Soft Start time
Ts
2
3.0
6.0
12.0
ms
SHUTDOWN
Shutdown Supply Current
ISS
1
VSHUTDOWN=0
0.5
uA
ISH
VSHUTDOWN=VOUT (S)*0.95
0.1
uA
Shutdown Pin Input
Current
ISL
1
VSHUTDOWN=0
-0.1
uA
VIH
Shutdown pin “L” to “H” until
EXT output oscillating signal
0.75
V
VIL1
VOUT≥1.5V
0.3
V
Shutdown Pin Input
Voltage Threshold
V IL2
1
Shutdown pin
“H” to “L” until
EXT output
oscillating signal VOUT<1.5V
0.2
V
EXT
IEXTH
1
VEXT=VOUT (S) -0.4V
-16.1
-32.3
mA
EXT Pin Current
IEXTL
1
VEXT= 0.4V
27.4
54.8
mA
Note: VOUT (S) is the value of the set output voltage.



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