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RT7306 Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # RT7306
Description  The RT7306 is a constant current LED driver
PDF  17 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7306 Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT7306
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7306-00
July
2015
www.richtek.com
7
Absolute Maximum Ratings
(Note 1)
HV Pin-------------------------------------------------------------------------------------------------------------------
0.3V to 500V
Supply Voltage, VDD------------------------------------------------------------------------------------------------- 0.3V to 40V
Gate Driver Output, GD---------------------------------------------------------------------------------------------
0.3V to 20V
Other Pins--------------------------------------------------------------------------------------------------------------
0.3V to 6V
Power Dissipation, PD @ TA = 25C
SOP-8--------------------------------------------------------------------------------------------------------------------
0.48W
Package Thermal Resistance
(Note 2)
SOP-8,
JA--------------------------------------------------------------------------------------------------------------206.9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) (Except HV pin)--------------------------------------------------------------------
2kV
MM (Machine Model)-------------------------------------------------------------------------------------------------
200V
Recommended Operating Conditions
(Note 4)
Supply Input Voltage, VDD ----------------------------------------------------------------------------------------- 11V to 34V
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
Min
Typ
Max
Unit
HV Section
HV Start-up Average Current
IHV_ST
VDD < VTH_ON, VHV = 100V
1
--
--
mA
Off State Leakage Current
VDD = VTH_ON + 1V, VHV =
500V
--
--
30
A
VDD Section
VDD OVP Threshold Voltage
VOVP
VDD Rising
35.4
37.4
39.4
V
Rising UVLO Threshold Voltage
VTH_ON
16
17
18
V
Falling UVLO Threshold Voltage VTH_OFF
7.5
8.5
9.5
V
Fault Released Voltage
VTH_FR
--
6
--
V
VDD Holdup Mode Entry Point
VDD_ET
--
10
--
V
VDD Holdup Mode Ending Point VDD_ED
--
10.5
--
V
Operating Current
IDD_OP
VDD = 15V, IZCD = 0, GD open
--
2
3
mA
Operating Current at Shutdown
VDD = VTH_OFF
--
60
--
A
Start-up Current
IVDD_ST
VDD = VTH_ON  1V
--
15
30
A
ZCD Section
Lower Clamp Voltage
VZCDL
IZCD = 0 to 2.5mA
50
0
60
mV
ZCD OVP Threshold Voltage
VZCD_OVP
3.04
3.2
3.36
V



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