SG6905 Fairchild Semiconductor, SG6905 Datasheet - Page 8

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SG6905

Manufacturer Part Number
SG6905
Description
Manufacturer
Fairchild Semiconductor
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SG6905SZ
Manufacturer:
ON
Quantity:
2 300
Green mode PFC/Flyback-PWM Controller
PWM Stage
FBPWM
Symbol
A
Z
I
FB
t
t
V
S
V
PWM-Current Sense
Symbol
t
V
t
PWM Oscillator
Symbol
F
F
F
F
PWM Output Driver
Symbol
V
V
V
t
t
DCY
© System General Corp.
Version 1.1.1 (IAO33.0060.B1)
FB
OPEN-PWM
OFF-PWM-DLY
PD-PWM
LEB-PWM
R-PWM
F-PWM
FB
V
OSC
OSC-MIN
DV
DT
v-PWM
FB-N
G
FB-G
LIMIT
Z-PWM
OL-PWM
OH-PWM
OPEN-LOOP
SLOPE
MAXPWM
Parameter
FB to Current Comparator Attenuation
Input Impedance
Maximum Source Current
PWM Open Loop Protection voltage
PWM Open Loop Protection Delay Time
PWM off to turn on delay time
Frequency Reduction Threshold on FBPWM
Green-Mode Modulation Slope
Voltage on FBPWM at Fs = F
Parameter
Propagation Delay to Output
Peak Current Limit Threshold Voltage
Leading-Edge Blanking Time
Slope Compensation
Current Sense
Parameter
PWM Frequency
Minimum Frequency
Frequency Variation versus V
Frequency Variation versus Temp. Deviation
Parameter
Output Voltage Maximum (Clamp)
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
PWM Maximum Duty Cycle
V
V
S
S
= V
: Compensation Voltage Added to
SLOPE
x (T
on
/T)
OSC-MINFREQ
DD
Deviation
Test Conditions
RI= 24KΩ
PFC_ON > V
PFC_ON > V
Test Conditions
Test Conditions
RI= 24KΩ
V
T
Test Conditions
PFC_ON > V
RI= 24KΩ; FBPWM= V
PFC_ON > V
V
V
V
V
O/P= 2V to 9V
V
O/P= 9V to 2V
A
DD
DD
DD
DD
DD
DD
= -20 to 85°C
= 11V to 20V
= 20V
= 15V; I
= 13V; I
= 15V; C
= 15V; C
- 8 -
O
O
= 100mA
= 100mA
L
L
OFF
OFF
OFF
OFF
= 5nF;
= 5nF;
FB-G
www.sg.com.t w • www.fairchildsemi.com
;
Min.
2.5
4
0.8
4.2
45
450
1.8
80
1.35
Min.
50
0.85
170
0.3
Min.
62
19
Min.
8
30
30
73
Typ.
0.9
250
0.33
Typ.
16
60
50
78
Typ.
3.1
5
1.2
4.5
56
600
2.0
100
1.6
Typ.
65
21
Product Specification
September 27, 2007
Max.
120
0.95
350
0.36
Max.
18
1.5
120
110
83
Max.
3.5
7
1.5
4.8
70
750
2.2
120
1.75
Max.
68
23.5
2
2
SG6905
Unit
ns
V
ns
V
Unit
V
V
V
ns
ns
%
Unit
V/V
KΩ
mA
V
ms
ms
V
Hz/V
V
Unit
KHz
KHz
%
%

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