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PT6909 Datasheet(PDF) 6 Page - Princeton Technology Corp

Part # PT6909
Description  Power Factor Correction LED Driver
PDF  8 Pages
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Manufacturer  PTC [Princeton Technology Corp]
Direct Link  http://www.princeton.com.tw
Logo PTC - Princeton Technology Corp

PT6909 Datasheet(HTML) 6 Page - Princeton Technology Corp

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PT6909
V1.1
6
April 2010
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Unit
VIN to GND
-0.3 ~ +16
V
CS1,CS2 to GND
-0.3 ~ +6
V
GD to GND
-0.3 ~ +16
V
PWMD to GND
-0.3 ~ +16
V
OVP to GND
-0.3 ~ +6
V
RF to GND
-0.3 ~ +6
V
Operating temperature
Topr
-40 ~ +85
℃
Storage temperature
Tstg
-65 ~ +150
℃
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Ta=25℃)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Input DC supply voltage
VIN
DC input voltage
8
9
12
V
VIN clamped voltage
VCLP
PWMD=VIN
14
V
Current sink capability at VIN
ICLP
PWMD=VIN
5
mA
Start-up current
ISTART
PWMD=GND, VIN rising
30
uA
Active supply current
IINAC
VIN=12V, PWMD=VIN,
VCS1=VCS2=0.5V
0.56
0.7
mA
Stand-by supply current
IINST
VIN=12V, PWMD=VIN,
VCS1=VCS2=GND
0.46
0.6
mA
VIN start voltage
VST
VIN rising
6.5
7.0
7.5
V
VIN under voltage lockout hysteresis
VHYS
VIN falling
0.6
0.9
1.2
V
Pin PWMD input low voltage
VENL
VIN=8~12V
1.2
V
Pin PWMD input high voltage
VENH
VIN=8~12V
2.5
V
Pin PWMD pull-down resistance
REN
VPWMD=5V
170
200
230
KΩ
Current sense threshold voltage
VCS
VIN=8~12V
220
240
260
mV
Over voltage protection threshold
voltage
VOVP
VIN=8~12V
1.21
V
RF voltage
VRF
VIN=8~12V, RRF =270KΩ
1.18
1.21
1.24
V
Oscillator frequency
FOSC
RRF=270KΩ
75
95
115
KHz
Maximum oscillator PWM duty cycle
DMAX
RRF=270KΩ, CS1= CS2=GND
100
%
Current sense blanking internal
TBLANK
VCS1=VCS2=0.5V
200
300
400
ns
GD high output voltage
VGDH
ISource=10mA
VIN-0.3
V
GD low output voltage
VGDL
ISink=10mA
0.2
V
GD output rise time
TRISE
CGD=560pF
30
50
ns
GD output fall time
TFALL
CGD=560pF
30
50
ns



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