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FDS6898A датащи(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали FDS6898A
подробное описание детали  Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

FDS6898A датащи(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
CC
-0.3 to 7V
BOOT Voltage
-0.3 to 18V
I
SEN
-0.3 to 14V
FREQ/SYNC Voltage
-0.5 to V
CC + 0.3V
All other pins
-0.3 to V
CC + 0.3V
Junction Temperature
150˚C
Storage Temperature
−65˚C to 150˚C
Soldering Information
Lead Temperature (soldering, 10sec)
260˚C
Infrared or Convection (20sec)
235˚C
ESD Rating (Note 3)
2kV
Operating Ratings
Supply Voltage Range, V
CC (Note 2)
3V to 6V
BOOT Voltage Range
1V to 17V
Junction Temperature Range (T
J)
−40˚C to +125˚C
Thermal Resistance (
θ
JA)
155˚C/W
Electrical Characteristics
V
CC = 3.3V unless otherwise indicated. Typicals and limits appearing in plain type apply for TA=TJ= 25˚C. Limits appearing in
boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are guaranteed by design,
test, or statistical analysis.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
FB
FB Pin Voltage
V
CC =3Vto6V
0.594
0.6
0.606
V
V
ON
UVLO Thresholds
V
CC Rising
V
CC Falling
2.79
2.42
V
I
Q_VCC
Operating V
CC Current
V
CC = 3.3V, VSD = 3.3V
f
SW = 600 kHz
1.1
1.7
2.3
mA
V
CC = 5V, VSD = 3.3V
f
SW = 600 kHz
1.3
2
2.6
Shutdown V
CC Current
V
CC = 3.3V, VSD =0V
1
3
µA
t
PWGD1
PWGD Pin Response Time
V
FB Rising
10
µs
t
PWGD2
PWGD Pin Response Time
V
FB Falling
10
µs
I
SS-ON
SS Pin Source Current
V
SS =0V
7
10
14
µA
I
SS-OC
SS Pin Sink Current During Over
Current
V
SS = 2.0V
90
µA
I
SEN-TH
I
SEN Pin Source Current Trip
Point
25
40
55
µA
I
FB
FB Pin Current
Sourcing
20
nA
ERROR AMPLIFIER
GBW
Error Amplifier Unity Gain
Bandwidth
9
MHz
G
Error Amplifier DC Gain
118
dB
SR
Error Amplifier Slew Rate
2
V/µs
I
EAO
EAO Pin Current Sourcing and
Sinking Capability
14
16
mA
V
EAO
Error Amplifier Output Voltage
Minimum
1
V
Maximum
2.2
V
www.national.com
3


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