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UPSS1650G-S08-R Datasheet(PDF) 4 Page - Unisonic Technologies

Part # UPSS1650G-S08-R
Description  HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
PDF  7 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UPSS1650G-S08-R Datasheet(HTML) 4 Page - Unisonic Technologies

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UPSS1650
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 7
www.unisonic.com.tw
QW-R502-947.d
ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=15V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
SUPPLY SECTION
Turn-on Threshold Voltage
VTH(ON)
13.5 14.5 15.5
V
Turn-off Threshold Voltage
VTH(OFF)
8.5
9
9.5
V
VDD OVP Protection
VDD_OVP
26
V
Startup Current
IDD-ST
5
20
μA
Operating Current
IDD-OP
1.6
2
mA
Green-Mode Operating Current
IDD-GREEN
1.3
mA
OSCILLATOR SECTION
Maximum Frequency
fOSC
50
55
60
kHz
Minimum Frequency at CCM
fOSC-CM-MIN
18
kHz
Minimum Frequency at No-load
fOSC-N-MIN
370
Hz
Frequency Hopping Range
△
f/freq
±5.0
%
Frequency Hopping Period
tFHR
3
ms
Frequency Variation vs. VDD Deviation
fDV
VDD=10~25V
1
2
%
Frequency Variation vs. Temperature
Deviation
fDT
TA=-20°C~+150°C
15
%
INV SECTION
Reference Voltage for EA
VVR
1.94 2.00 2.03
V
Reference Voltage for CCM
VVR_CCM
0.5
V
Max. Cable Compensation Current
ICABLE_MAX
42
uA
CURRENT SENSE SECTION
Current Sense Threshold Voltage
VCS
740
760
780
mV
OCP Propagation Delay
tD_OC
90
200
nS
Leading Edge Blank Time
tLEB
540
nS
Soft Start Time
tSS
10
mS
POWER MOSFET SECTION
MOSFET DS Breakdown Voltage
BVDSS
600
V
On Resistance
RDS(ON)
17
20
Ω
OTP SECTION
Threshold Temperature of OTP (Note)
TOTP
+140
°C
Note: When the over-temperature protection is activated, the power system enters auto restart mode and output is
disabled.



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