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UCC2809D-2 Datasheet(PDF) 2 Page - Texas Instruments

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Part # UCC2809D-2
Description  Economy Primary Side Controller
Download  23 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC2809D-2 Datasheet(HTML) 2 Page - Texas Instruments

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2
UCC1809-1/-2
UCC2809-1/-2
UCC3809-1/-2
CONNECTION DIAGRAM
Temperature Range
Available Packages
UCC1809-X
–55°C to +125°C
J
UCC2809-X
–40°C to +85°C
N, D, P, PW
UCC3809-X
0°C to +70°C
N, D, P, PW
ELECTRICAL CHARACTERISTICS: Unless otherwise specified, CVREF = 0.47
mF, VDD = 12V. TA =TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Supply Section
VDD Clamp
IVDD = 10mA
16
17.5
19
V
IVDD
No Load
600
900
µA
IVDD Starting
(Note 1)
110
µA
IVDD Standby
UCCx809-1, VDD = Start Threshold - 300mV
110
125
µA
UCCx809-2, VDD = Start Threshold - 300mV
130
170
µA
Undervoltage Lockout Section
Start Threshold (UCCx809-1)
9.4
10.4
V
UVLO Hysteresis (UCCx809-1)
1.65
V
Start Threshold (UCCx809-2)
14.0
15.6
V
UVLO Hysteresis (UCCx809-2)
6.2
V
Voltage Reference Section
Output Voltage
IREF = 0mA
4.75
5
5.25
V
Line Regulation
VDD = 10V to 15V
2
mV
Load Regulation
IREF = 0mA to 5mA
2
mV
Comparator Section
IFB
Output Off
–100
nA
Comparator Threshold
0.9
0.95
1
V
OUT Propagation Delay (No Load)
VFB = 0.8V to 1.2V at TR = 10ns
50
100
ns
SOIC-8, DIL-8 (Top View)
D, N and J Packages
ABSOLUTE MAXIMUM RATINGS*
VDD ...........................................19V
IVDD.......................................... 25mA
IOUT (tpw < 1µs and Duty Cycle < 10%) ........ –0.4A to 0.8A
RT1, RT2, SS ...................... –0.3V to REF + 0.3V
IREF ......................................... –15mA
Storage Temperature ................... –65°C to +150°C
Junction Temperature ................... –55°C to +150°C
Lead Temperature (Soldering, 10 sec.) ............. +300°C
* Values beyond which damage may occur.
All voltages are with respect to ground unless otherwise stated.
Currents are positive into, negative out of the specified termi-
nal. Consult Packaging Section of Databook for thermal limita-
tions and considerations of packages.
UCC
809
UVLO OPTION
PACKAGE
TEMPERATURE RANGE
ORDERING INFORMATION
FB
SS
RT1
RT2
REF
VDD
OUT
GND
8
7
6
5
1
2
3
4
TSSOP-8 (Top View)
PW Package
FB
2
1
4
3
7
8
5
6
SS
RT1
RT2
REF
VDD
OUT
GND
MSOP-8 (Top View)
P Package


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