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UCSR3651SG-D07-T Scheda tecnica(PDF) 5 Page - Unisonic Technologies

Il numero della parte UCSR3651SG-D07-T
Spiegazioni elettronici  HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
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Produttore elettronici  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UCSR3651SG-D07-T Scheda tecnica(HTML) 5 Page - Unisonic Technologies

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UCSR3651S
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 9
www.unisonic.com.tw
QW-R129-010.A
ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=15V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
STARTUP SECTION
Startup Voltage
VST
VDD<VTH(ON)
25
V
Startup Current
IST
VDD<VTH(ON)
700
μA
SUPPLY SECTION
Turn-on Threshold Voltage
VTH(ON)
13.5 14.5
16
V
Turn-off Threshold Voltage
VTH(OFF)
8.2
9
10.5
V
VDD OVP Protection
VDD_OVP
28
V
Operating Current
IDD-OP
1.6
2
mA
Green-Mode Operating Current
IDD-GREEN
1.3
mA
OSCILLATOR SECTION
Maximum Frequency
fOSC
55
65
75
kHz
Minimum Frequency at CCM
fOSC-CM-MIN
17
kHz
Minimum Frequency at No-load
fOSC-N-MIN
300
Hz
Frequency Hopping Range
req
∆f
f
±5.0
%
Frequency Hopping Period
tFHR
3
ms
INV SECTION
Reference Voltage for EA
VVR
1.97 2.00 2.03
V
Reference Voltage for CCM
VVR_CCM
0.5
V
Max. Cable Compensation Current
ICABLE_MAX
37
μA
CURRENT SENSE SECTION
Current Sense Threshold Voltage
VCS
870
900
930
mV
OCP Propagation Delay
tD_OC
90
200
nS
Leading Edge Blank Time
tLEB
900
nS
Soft Start Time
tSS
10
mS
POWER MOSFET SECTION
MOSFET DS Breakdown Voltage
BVDSS
600
V
On Resistance
RDS(ON)
3
OTP SECTION
Threshold Temperature of OTP (Note 2)
TOTP
+140
°C
Notes: 1. Maximum practical continuous power in an Adapter design with sufficient drain pattern as a heat sink, at
50°C ambient.
2. When the over-temperature protection is activated, the power system enters auto restart mode and output
is disabled.


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