SG684965TZ Fairchild Semiconductor, SG684965TZ Datasheet - Page 6

• Manufacturer Part Number: SG684965TZ
• Description: IC CTRLR PWM UVLO CV/CC SSOT6
• Manufacturer: Fairchild Semiconductor

Specifications of SG684965TZ

• Output Isolation: Isolated
• Frequency Range: 60 ~ 70kHz
• Voltage - Input: 8 ~ 25 V
• Voltage - Output: 16.7V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 6-SSOT, SuperSOT™-6
• Number Of Outputs: 1
• Duty Cycle (max): 80 %
• Mounting Style: SMD/SMT
• Switching Frequency: 70 KHz
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Flyback
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2008 Fairchild Semiconductor Corporation
SG6849 Rev. 1.6.1
Electrical Characteristics
Unless otherwise noted, V
V
Feedback Input Section
Current-Sense Section
V
Symbol
V
V
V
DD
V
V
DD-CLAMP
I
V
I
I
FB-OPEN
DD-TH-G
FB-ZDC
DD-OFF
DD-OP
DD-ST
DD-ON
Z
STHVA
t
DD-FB
t
LEB
PD
Section
FB
Turn-on Threshold Voltage
Turn-off Threshold Voltage
Startup Current
Operating Supply Current
Zener Diode Breakdown Voltage
V
Green-Mode OFF
Zero Duty Cycle FB Input Current
Open-Loop Voltage
Input Impedance
V
Delay to Output
Valley Threshold Voltage for Current Limit
Leading-Edge Blanking Time
DD
DD
-Low Threshold Voltage for Exiting
Feedback Threshold Voltage*
DD
Parameter
=15V and T
A
=25°C.
Figure 6.
V
V
I
I
FB is Open
I
V
V
V
DD
FB
FB
6
DD
DD
DD
DD
DD
=0.1mA to 0.2mA
=0.4mA
=10mA
=15V
=15V, C
=20V
=15V
=10V
Conditions
Saw Limit
L
=1nF
OFF
Min.
20.0
0.84
0.72
0.58
V
7.5
4.5
16
18
+1.0
DD-
OFF
Typ.
1.15
22.7
0.89
0.77
0.63
V
100
310
8.0
3.6
2.4
17
28
20
+1.5
5
DD-
OFF
Max.
1.40
25.0
0.94
0.82
0.68
V
8.5
4.6
18
20
30
22
+2.0
DD-
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Units
mA
mA
μA
kΩ
ns
ns
V
V
V
V
V
V
V
V
V
V