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P1690G-S08-R bảng dữ liệu(PDF) 3 Page - Unisonic Technologies

tên linh kiện P1690G-S08-R
Giải thích chi tiết về linh kiện  Fixed 150KHz Switching Frequency
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P1690G-S08-R bảng dữ liệu(HTML) 3 Page - Unisonic Technologies

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P1690
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 5
www.unisonic.com.tw
QW-R103-081.c
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
-0.3 ~ 70
V
Feedback Pin Voltage
VFB
-0.3 ~ VIN
V
EN Pin Voltage
VEN
-0.3 ~ VIN
V
Output Switch Pin Voltage
VSW
-0.3 ~ VIN
V
Power Dissipation
PD
Internally limited
mW
Junction to Ambient, No Heatsink, Free Air
θJA
60
°C/W
Operating Junction Temperature
TJ
-40 ~ 125
°C
Storage Temperature
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.
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
System Parameters Test Circuit Figure1
FB Voltage
VFB
VIN=36V~65V, Iload=0.05A~0.3A
1.225
1.25
1.275
V
Efficiency
η
VIN=36V,VOUT=15V, IOUT=0.3A
88
%
Efficiency
η
VIN=48V, VOUT=15V, IOUT=0.4A
87
%
Efficiency
η
VIN=60V, VOUT=15V, IOUT=0.4A
83
%
ELECTRICAL CHARACTERISTICS (DC PARAMETERS)
(VIN=48V, GND=0V, VIN & GND parallel connect a 33uf/100V capacitor; IOUT=0.2A, TA=25°C the others floating
unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Operation Voltage
VIN
5
65
V
Shutdown Supply Current
ISTBY
VEN=2V
85
200
uA
Quiescent Supply Current
Iq
VON/OFF=0V, VFB=VIN
2.5
5
mA
Oscillator Frequency
Fosc
120
150
180
KHz
Switch Current Limit
IL
VFB=0
0.4
A
High (Regulator OFF)
1.6
V
EN Pin Threshold
VEN
Low (Regulator ON)
0.8
V
IH
VEN=2.5V (OFF)
6
20
uA
EN Pin Input Leakage Current
IL
VEN=0.5V (ON)
1
20
uA
Output Saturation Voltage
VCE
VFB=0V, IOUT=0.4A
0.85
V
Max. Duty Cycle
DMAX
VFB=0V
100
%



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