FSD146MRBN Fairchild Semiconductor, FSD146MRBN Datasheet - Page 6

• Manufacturer Part Number: FSD146MRBN
• Description: The FSD146MRBN is an integrated Pulse Width Modulation (PWM) controller and SenseFET designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FSD146MRBN • Rev. 1.0.0
Electrical Characteristics
T
Total Device Section
Notes:
12. Although these parameters are guaranteed, they are not 100% tested in production.
13. Average value.
14. t
Comparison of FSGM300N and FSD146MRBN
Operating Current
J
Symbol
Power Balance
= 25C unless otherwise specified.
I
V
START
I
Function
I
I
OPS
OP
CH
STR
LEB
includes gate turn-on time.
Operating Supply Current,
(Control Part in Burst Mode)
Operating Switching Current,
(Control Part and SenseFET Part)
Start Current
Startup Charging Current
Minimum V
STR
Parameter
FSGM300N
Supply Voltage
Long t
1.5mA
CLD
(Continued)
FSD146MRBN
Very Short T
V
V
V
Reaches V
V
V
CC
CC
CC
CC
CC
0.4mA
=11V (Before V
= 14V, V
= 14V, V
= V
= V
6
FB
FB
Conditions
= 0V, V
= 0V, V
START
CLD
FB
FB
= 0V
= 2V
)
STR
STR
CC
Very low standby power
The difference of input power between the
low and high input voltage is quite small.
= 40V
Sweep
Advantages of FSD146MRBN
Min.
0.3
1.1
0.7
85
Typ.
120
0.4
1.5
1.0
26
Max.
155
0.5
1.9
1.3
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Unit
mA
mA
mA
A
V