BAT-54 National Semiconductor Corporation, BAT-54 Datasheet - Page 3

• Manufacturer Part Number: BAT-54
• Description: N-channel Fet Synchronous Buck Regulator Controller For Low Output Voltages
• Manufacturer: National Semiconductor Corporation

ERROR AMPLIFIER
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
V
boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are guaranteed by design,
test, or statistical analysis.
Symbol
V
V
BOOTV
Junction Temperature
Storage Temperature
Soldering Information
Lead Temperature
(soldering, 10sec)
t
t
I
CC
I
I
PWGD1
PWGD2
SEN-TH
GBW
CC
FB_ADJ
SS-ON
SS-OC
I
I
V
V
Q-V5
I
SR
EAO
I
SD
G
FB
ON
EA
= 5V unless otherwise indicated. Typicals and limits appearing in plain type apply for T
FB Pin Voltage
UVLO Thresholds
Operating V
Shutdown V
PWGD Pin Response Time
PWGD Pin Response Time
SD Pin Internal Pull-up Current
SS Pin Source Current
SS Pin Sink Current During Over
Current
I
Point
Error Amplifier Unity Gain
Bandwidth
Error Amplifier DC Gain
Error Amplifier Slew Rate
FB Pin Bias Current
EAO Pin Current Sourcing and
Sinking
Error Amplifier Maximum Swing
SEN
Pin Source Current Trip
Parameter
CC
CC
Current
Current
−65˚C to 150˚C
(Note 1)
V
V
V
V
V
V
Rising
Falling
SD = 5V, FB = 0.55V
Fsw = 600kHz
SD = 5V, FB = 0.65V
Fsw = 600kHz
SD = 0V
FB Voltage Going Up
FB Voltage Going Down
SS Voltage = 2.5V
0˚C to +125˚C
-40˚C to +125˚C
SS Voltage = 2.5V
0˚C to +125˚C
-40˚C to +125˚C
FB = 0.55V
FB = 0.65V
V
V
Minimum
Maximum
CC
CC
CC
CC
CC
CC
EAO
EAO
150˚C
260˚C
= 4.5V, 0˚C to +125˚C
= 5V, 0˚C to +125˚C
= 5.5V, 0˚C to +125˚C
= 4.5V, −40˚C to +125˚C
= 5V, −40˚C to +125˚C
= 5.5V, −40˚C to +125˚C
21V
= 2.5, FB = 0.55V
= 2.5, FB = 0.65V
7V
Conditions
3
Operating Ratings
Infrared or Convection (20sec)
ESD Rating
Supply Voltage (V
Junction Temperature Range
Thermal Resistance (θ
CC
)
JA
0.591
0.591
0.591
0.589
0.589
0.589
0.15
Min
A
0.8
35
28
)
1
8
5
0
0
=T
J
=+25˚C. Limits appearing in
Typ
0.6
0.6
0.6
0.6
0.6
0.6
4.2
3.6
1.5
1.7
0.4
2.8
0.8
1.2
3.2
20
11
11
95
50
50
60
15
30
6
6
5
6
−40˚C to +125˚C
0.609
0.609
0.609
0.609
0.609
0.609
Max
100
155
2.2
0.7
15
15
65
65
4.5V to 5.5V
2
www.national.com
155˚C/W
235˚C
2 kV
Units
MHz
V/µA
mA
mA
mA
µA
µA
µA
µA
dB
nA
µs
µs
V
V
V