English
Language : 

UCSR3652SL-D07A-T Datasheet, PDF (5/10 Pages) Unisonic Technologies – CMOS IC
UCSR3652S
CMOS IC
 ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=15V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS MIN TYP MAX UNIT
STARTUP SECTION
Startup Voltage
Startup Current
SUPPLY SECTION
Turn-on Threshold Voltage
Turn-off Threshold Voltage
VDD OVP Protection
Operating Current
Green-Mode Operating Current
OSCILLATOR SECTION
Maximum Frequency
Minimum Frequency at CCM
Minimum Frequency at No-load
Frequency Hopping Range
Frequency Hopping Period
INV SECTION
Reference Voltage for EA
Reference Voltage for CCM
Max. Cable Compensation Current
CURRENT SENSE SECTION
Current Sense Threshold Voltage
OCP Propagation Delay
Leading Edge Blank Time
Soft Start Time
VST
IST
VDD<VTH(ON)
VDD<VTH(ON)
VTH(ON)
VTH(OFF)
VDD_OVP
IDD-OP
IDD-GREEN
fOSC
fOSC-CM-MIN
fOSC-N-MIN
△f/freq
tFHR
VVR
VVR_CCM
ICABLE_MAX
VCS
tD_OC
tLEB
tSS
25
V
700
μA
13.5 14.5 16 V
8.2 9 10.5 V
28
V
1.6 2 mA
1.3
mA
55 65 75 kHz
17
kHz
300
Hz
±5.0
%
3
ms
1.97 2.00 2.03 V
0.5
V
37
μA
870 900 930 mV
90 200 nS
900
nS
10
mS
POWER MOSFET SECTION
MOSFET DS Breakdown Voltage
BVDSS
650
V
On Resistance
RDS(ON)
2.4
Ω
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R129-017.C