RT7305 Datasheet, PDF (6/14 Pages) Richtek Technology Corporation – The RT7305 consists of a high voltage power MOSFET

RT7305
Absolute Maximum Ratings (Note 1)
 DRAIN to GND Voltage, VDRAIN ---------------------------------------------------------------------------------- 0.3V to 620V
 VDD Supply Voltage, VDD------------------------------------------------------------------------------------------ 0.3V to 30V
 SOURCE, CS, ZCD, COMP to GND Voltage ----------------------------------------------------------------- 0.3V to 6V
 Power Dissipation, PD @ TA = 25C
SOP-7 -------------------------------------------------------------------------------------------------------------------- 1.246W
 Package Thermal Resistance (Note 2)
SOP-7, JA--------------------------------------------------------------------------------------------------------------80.25C/W
 Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------260C
 Junction Temperature ------------------------------------------------------------------------------------------------150C
 Storage Temperature Range ---------------------------------------------------------------------------------------65C to 150C
 ESD Susceptibility (Note 3)
HBM (Human Body Model) -----------------------------------------------------------------------------------------2kV
MM (Machine Model)-------------------------------------------------------------------------------------------------200V
Recommended Operating Conditions (Note 4)
 Supply Input Voltage, VDD ----------------------------------------------------------------------------------------- 12V to 25V
 COMP Voltage, VCOMP --------------------------------------------------------------------------------------------- 0.7V to 4.3V
 Junction Temperature Range --------------------------------------------------------------------------------------40C to 125C
Electrical Characteristics
(VDD = 15V, TA = 25C, unless otherwise specified)
Parameter
Symbol
Test Conditions
VDD Supply Current and Protections Section
VDD OVP Threshold Voltage VOVP
VDD OVP De-bounce Time
(Note 5)
Rising UVLO Threshold
Voltage
VTH_ON
Falling UVLO Threshold
Voltage
VTH_OFF
Operating Supply Current
IDD_OP
IZCD=0
Start-up Current
VDD = VTH_ON1V
ZCD Section
Lower Clamp Voltage
IZCD = 0 to 2.5mA
ZCD OVP Threshold Voltage VZCD_OVP At the knee point (Note 5)
Constant Current Control Section
Regulated factor for
Constant-Current Control
KCC
Maximum COMP Voltage
ICOMP < 30A
Maximum COMP Sourcing
Current
ICOMP(MAX) VCOMP < 3.5V
Min Typ Max Unit
25.5 27 28.5 V
--
10
--
µs
15 16 17
V
8
9
10
V
--
-- 3.5 mA
--
--
30 µA
--
0
0.3
V
2.8 3.1 3.4
V
0.245 0.25 0.255 V
4.5 --
--
V
-- 62.5 --
µA
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DS7305-00 July 2014