SG6846GLSY Fairchild Semiconductor, SG6846GLSY Datasheet - Page 2
![IC CTLR PWM HI INTEGRATED 8-SOIC](/photos/18/29/182904/8-soic_sml.jpg)
SG6846GLSY
Manufacturer Part Number
SG6846GLSY
Description
IC CTLR PWM HI INTEGRATED 8-SOIC
Manufacturer
Fairchild Semiconductor
Datasheet
1.SG6846GLSY.pdf
(14 pages)
Specifications of SG6846GLSY
Output Isolation
Isolated
Frequency Range
44.8kHz ~ 136kHz
Voltage - Input
11.5 V ~ 25 V
Power (watts)
400mW
Operating Temperature
-40°C ~ 105°C
Package / Case
8-SOIC (0.154", 3.90mm Width)
Number Of Outputs
1
Duty Cycle (max)
90 %
Mounting Style
SMD/SMT
Switching Frequency
68 KHz
Maximum Operating Temperature
+ 105 C
Fall Time
50 ns
Minimum Operating Temperature
- 40 C
Rise Time
350 ns
Synchronous Pin
No
Topology
Flyback
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
© 2008 Fairchild Semiconductor Corporation
SG6846G • Rev. 1.0.2
Typical Application
Block Diagram
VDD 7
VIN
RT
3
5
AC input
N
L
0.9V/0.7V
I
RT
Filter
EMI
1.05V
3
4
2
V
23.6V
16.5V/10.5V
FB
VIN
RI
DD
-TH-G
UVLO
SG6846G
VDD
GND
7
1
Over Power Compensation
Latch
SENSE
GATE
1.18-0.08
RT
Figure 1. Typical Application
+
Debounce
8
6
5
Figure 2. Block Diagram
Internal
BIAS
X
V
+
IN
OCP
Delay
GND
2
1
Q
R
S
OSC
Compensation
1.15V
Slope
1R
+
+
1R
Green
Mode
Soft
Driver
1R
Ri
4
3R
Blanking
Circuit
VDD
R
6V
VO-
VO+
8
2
6
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SENSE
GATE
FB