LM3524 National Semiconductor, LM3524 Datasheet - Page 3

• Manufacturer Part Number: LM3524
• Description: Regulating Pulse Width Modulator
• Manufacturer: National Semiconductor

ERROR-AMP SECTION
I
I
I
A
VCMR
CMRR
G
V
PSRR
COMPARATOR SECTION
V
V
I
CURRENT LIMIT SECTION
V
TC-V
SHUT DOWN SECTION
V
I
OUTPUT SECTION (EACH OUTPUT)
V
IO
COSI
COSO
IB
SD
(Note 1)
VOL
O
COMPZ
COMPM
SEN
SD
CES
Electrical Characteristics
BW
Symbol
sense
Current
Bandwidth
Current
Input Offset
Current
Compensation
Current (Sink)
Compensation
Current (Source)
Open Loop Gain
Common Mode
Input Voltage Range
Common Mode
Rejection Ratio
Unity Gain
Output Voltage
Swing
Power Supply
Rejection Ratio
Minimum Duty
Cycle
Maximum Duty
Cycle
Maximum Duty
Cycle
Input Threshold
(Pin 9)
Input Threshold
(Pin 9)
Input Bias
Current
Sense Voltage
Sense Voltage T.C.
Common Mode
Voltage Range
High Input
Voltage
High Input
Collector Emitter
Voltage Breakdown
Parameter
V
V
V
R
A
R
V
Pin 9 = 0.8V,
[R
Pin 9 = 3.9V,
[R
Pin 9 = 3.9V,
[R
Zero Duty Cycle
Maximum Duty Cycle
V
150 mV
V
V
150 mV
I
I
(pin 10)
C
CM
IN(I)
IN(NI)
L
VOL
L
IN
(Pin 2)
5
(Pin 2)
T
T
T
− V
=
=
= 8 to 40V
= 5.6k, C
= 5.6k, C
= 1k, C
100 µA
= 2.5V
− V
= 0 dB, V
− V
4
, V
− V
− V
= 300 mV
IN(NI)
IN(I)
CM
Conditions
(Pin 1)
(Pin 1)
T
(Continued)
T
T
= 0.001 µF]
= 2.5 V
= 150 mV
= 150 mV
= 0.01 µF]
= 0.01 µF]
CM
= 2.5V
−0.7
Typ
−95
3
200
0.5
3.5
0.2
95
80
90
80
49
44
−1
3
0
1
1
1
1
(Note 3)
Tested
Limit
−125
LM2524D
125
−65
180
220
1.0
1.5
5.5
0.5
5.5
0.5
1.5
65
74
80
45
35
55
0
(Note 4)
Design
Limit
1.4
5.4
60
70
1
−0.7
Typ
−95
200
0.5
3.5
0.2
−1
95
80
90
80
49
44
2
0
1
1
1
1
(Note 3)
Tested
Limit
−125
LM3524D
125
−65
180
220
1.5
5.5
0.5
5.5
0.5
1.5
65
70
80
65
45
35
40
1
0
(Note 4)
Design
Limit
60
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mV
mV
mV/˚C
Units
µA
µA
µA
µA
µA
dB
dB
db
%
V
MHz
V
%
%
V
V
V
V
V
V
V
mA
µA
Max
Max
Max
Max
Min
Min
Max
V
V
Min
Min
Min
Min
Min
Max
Max
Max
Min
Min
Min
Min
Min
Max
Min