HVLED807PF
Offline LED driver with primary-sensing and high power factor up to 7 W
Features
■High power factor capability (> 0.9)
■800 V, avalanche rugged internal 11 Ω power MOSFET
■Internal high-voltage startup
■Primary sensing regulation (PSR)
■+/- 5% accuracy on constant LED output current
■Quasi-resonant (QR) operation
■Optocoupler not needed
■Open or short LED string management
■Automatic self supply
Datasheet − preliminary data
SO16N
Applications
■AC-DC LED driver bulb replacement lamps up to 7 W, with high power factor
■AC-DC LED drivers up to 7 W
Order code |
Package |
Packaging |
HVLED807PF |
SO16N |
Tube |
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HVLED807PFTR |
Tape & Reel |
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Description
The HVLED807PF is a high-voltage primary switcher intended to operate directly from the rectified mains with minimum external parts and enabling high power factor (> 0.90) to provide an efficient, compact and cost effective solution for LED driving. It combines a high-performance lowvoltage PWM controller chip and an 800 V, avalanche-rugged Power MOSFET, in the same package. There is no need for an optocoupler thanks to the patented primary sensing regulation (PSR) technique. The device assures protection against LED string fault (open or short).
July 2012 |
Doc ID 023464 Rev 1 |
1/17 |
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to |
www.st.com |
change without notice. |
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Contents |
HVLED807PF |
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Contents
1 |
Principle application circuit and block diagram . . . . . . . . . . . . . . . . . . |
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1.1 |
Principle application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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1.2 |
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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2 |
Pin description and connection diagrams . . . . . . . . . . . . . . . . . . . . . . . |
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2.1 |
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3 |
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.1 |
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.2 |
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4 |
Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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5 |
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6 |
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
17 |
2/17 |
Doc ID 023464 Rev 1 |
1 |
Principle application circuit and block diagram |
HVLED807PF |
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1.1 |
Principle application circuit |
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Lin (330uH - 820uH) |
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T1 |
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O utpout D iode |
Vout |
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VIN |
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10 |
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J1 |
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3 |
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2 |
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CON1 |
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Bridge Diode |
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R12 |
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+ |
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3 |
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C12 |
C13 |
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F1 |
1A_DIP |
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1 |
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4 |
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Minimum Load |
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J2 |
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Cout Bulk |
Cout SMD |
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CON1 |
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Cin47nF)(22nF- / |
Cin47nF)(22nF- / |
Csn(1nF)ubber |
Rsn(120k)ubber |
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Doc |
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6 |
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J3 |
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TRANSFORMER |
CON1 |
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ID |
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1 Rev 023464 |
J4 |
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S nubber D iode |
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CON1 |
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C10 |
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VIN |
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Rsense |
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U1 |
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Principle |
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HVLED8xxPF |
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Y1 - SAFETY |
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Rsense |
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RA |
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SOURCE |
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R1 (1k8-2k2) |
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DRAIN |
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CS 2 |
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220pF-330pF |
CS |
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DRAIN |
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application |
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RB |
C_Vcc (10uF) |
VCC |
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14 |
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VCC |
DRAIN |
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COS Filter (1uF) |
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4 |
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GND |
DRAIN |
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ROS |
C_ILED |
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CS |
RPF |
D 4 |
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ILED |
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CS |
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Rf b |
DMG 6 |
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DMG |
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Rdmg |
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circuit |
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DMG |
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Rf (8.2k-15k) |
Cf (330nF/680nF) |
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COMP |
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VCC |
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D 2 |
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and |
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NA 8 |
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1N 4148 |
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R-VCC (10ohm) |
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Cp (1nF/10nF) |
N.A. |
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C_VCC (470nF) |
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block |
3/17 |
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AM13207v1 |
diagram |
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4/17 |
Figure 2. |
Principle application circuit for standard LED driver |
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Principle |
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VIN |
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T2 |
10 |
O utpout D iode1 |
Vout |
application |
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1 |
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J5 |
and circuit |
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3 |
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2 |
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CON1 |
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Bridge Diode |
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8 |
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R16 |
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+ |
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snubber (1nF) |
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nubber (120k) |
3 |
C15 |
C23 |
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F2 |
1A_DIP |
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C22 |
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Minimum Load |
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J7 |
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1 |
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Cout Bulk |
Cout SMD |
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CON1 |
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Cin |
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J6 |
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C |
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Rs |
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CON1 |
diagram block |
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TRANSFORMER |
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4 |
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J8 |
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S nubber D iode |
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023464 ID Doc |
CON1 |
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C21 |
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Rsense |
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U2 |
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HVLED8xxPF |
Y1 - SAFETY |
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Rsense |
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1 |
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SOURCE |
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DRAIN |
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CS |
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DRAIN |
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1 Rev |
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C_Vcc (10uF) |
VCC |
3 |
14 |
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VCC |
DRAIN |
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4 |
13 |
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GND |
DRAIN |
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C_ILED (10uF) |
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5 |
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ILED |
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Rf b |
DMG 6 |
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DMG |
Rdmg |
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DMG |
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Rf (8.2k-15k) |
Cf (330nF/680nF) |
7 |
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COMP |
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VCC |
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D 6 |
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NA 8 |
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1N 4148 |
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R-VCC (10ohm) |
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Cp (1nF/10nF) |
N.A. |
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C_VCC (470nF) |
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AM13208v1 |
HVLED807PF |
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1 Rev 023464 ID Doc
5/17
+ VIN
VCC |
HV start-up & |
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Supply Logic |
DRAIN
LED
Vref
PROTECTION &
FEEDFORWARD
LOGIC
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DEMAG |
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LOGIC |
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DRIVING |
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RDMG |
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DMG |
CONSTANT |
LOGIC |
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CURRENT |
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REGULATION |
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RFB |
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3.3 V |
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VILED |
VCS |
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Vref |
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OCP |
1 V |
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Constant Voltage |
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RA |
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Regulation |
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COMP |
ILED |
GND |
CS |
R1 |
SOURCE |
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RCOMP |
CLED |
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CCOMP |
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RSENSE |
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RPF |
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ROS |
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AM13209v1
HVLED807PF
diagram block and circuit application Principle
Pin description and connection diagrams |
HVLED807PF |
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SOURCE |
11 |
16 |
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DRA |
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INN |
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CS |
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15 |
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DRA |
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INN |
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2 |
15 |
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VCC |
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14 |
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DRA |
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INN |
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3 |
14 |
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GND |
4 |
13 |
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DRA |
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INN |
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4 |
13 |
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ILED |
5 |
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N.C. |
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12 |
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DMG |
6 |
11 |
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N.A. |
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6 |
11 |
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COMP |
7 |
10 |
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N.A. |
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N.A. |
88 |
9 |
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N.A. |
AM13210v1
2.1Thermal data
Table 2. |
Thermal data |
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Symbol |
Parameter |
Max. value |
Unit |
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RthJP |
Thermal resistance, junction-to-pin |
10 |
°C/W |
RthJA |
Thermal resistance, junction-to-ambient |
110 |
°C/W |
PTOT |
Maximum power dissipation at TA = 50 °C |
0.9 |
W |
TMAX |
Maximum junction temperature |
150 |
°C |
TSTG |
Storage temperature range |
-55 to 150 |
°C |
TJ |
Junction temperature range |
-40 to 125 |
°C |
6/17 |
Doc ID 023464 Rev 1 |