SG6905SZ Fairchild Semiconductor, SG6905SZ Datasheet - Page 7

• Manufacturer Part Number: SG6905SZ
• Description: IC PWM CTLR PFC/FLYBACK 20-SOP
• Manufacturer: Fairchild Semiconductor

Specifications of SG6905SZ

• Mode: Average Current
• Frequency - Switching: 65kHz
• Current - Startup: 10µA
• Voltage - Supply: 16 V ~ 20 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2007 Fairchild Semiconductor Corporation
SG6905 • Rev. 1.1.2
Electrical Characteristics
V
V
RI Section
VRM Section
V
V
Symbol
t
DD
DD
V
D-VDDOVP
RI
V
RMS-UVP-1
RMS-UVP-2
V
RI
V
t
I
I
D-PWM
DD-OFF
DD-OP
DD-OVP
DD-ST
t
=15V, T
DD-OP
DD-ON
V
SHORT
RI
UVP
OPEN
Section
RI
A
Continuous Operation Voltage
Turn-On Threshold Voltage
Turn-Off Threshold Voltage
Startup Current
Operating Supply Current
V
V
RI Voltage
RI Pin Resistance Range
RI Pin Open Protection If R
SG6905 turns OFF
RI Pin Short Protection If R
SG6905 turns OFF
RMS AC-Voltage Under-Voltage
Protection Threshold (with T
Recovery Level on VRMS
Under-Voltage-Protection Delay Time
(No Delay for Startup)
UVP Occurs, the Interval from PFC Off
to PWM Off
=25°C, unless otherwise noted.
DD
DD
Over-Voltage Protection Level
Over-Voltage Protection Debounce R
Parameter
I
I
> RI
< RI
UVP
Delay)
short
open
,
,
V
V
OPWM open
R
R
R
R
DD
DD
I
I
I
I
I
=24kΩ
=24kΩ
=24kΩ
=24kΩ
=24kΩ
=V
=15V; OFC,
Conditions
DD-ON
7
– 0.16V
t
V
1
UVP-Min
+0.17V
RMS-UVP-
Min.
23.5
1.17
15.6
0.75
150
15
9
8
2
+9
Continued on the following page…
V
1
+0.19V
RMS-UVP-
Typ.
24.5
1.20
0.80
195
16
10
10
6
t
UVP-Min
V
1
+0.21V
RMS-UVP-
Max.
25.5
1.23
47.0
0.85
200
240
20
17
11
25
10
25
+14
www.fairchildsemi.com
Units
mA
ms
ms
µA
kΩ
kΩ
kΩ
µs
V
V
V
V
V
V
V