LM3524DN/NOPB National Semiconductor, LM3524DN/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM3524DN/NOPB
• Description: IC REGULATOR PWM SWITCHER 16-DIP
• Manufacturer: National Semiconductor
• Type: Step-Down (Buck), Step-Up (Boost), Flybackr

Specifications of LM3524DN/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 200mA
• Frequency - Switching: 550kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Power - Output: 1W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM3524DN; LM3524DN

REFERENCE
V
V
V
I
N
OSCILLATOR
f
f
Δf
Δf
V
t
OS
OSC
OSC
PW
REF
RLine
RLoad
OSC
O
Symbol
OSC
OSC
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
(Note 1)
Supply Voltage
Collector Supply Voltage
Output Current DC (each)
Oscillator Charging Current (Pin 7)
(LM2524D)
(LM3524D)
Output Voltage
Line Regulation
Load Regulation
Ripple Rejection
Short Circuit
Current
Output Noise
Long Term
Stability
Max. Freq.
Initial
Accuracy
Freq. Change
with V
Freq. Change
with Temp.
Output Amplitude
(Pin 3) (Note 8)
Output Pulse
Width (Pin 3)
Sawtooth Peak
Voltage
SECTION
SECTION
Parameter
IN
V
I
f = 120 Hz
V
10 Hz
T
R
(Note 7)
R
(Note 7)
R
(Note 7)
V
T
at 20 kHz R
C
R
R
R
L
A
A
IN
REF
IN
T
T
T
T
T
T
T
= 0 mA to 20 mA
= 125°C
= −55°C to +125°C
= 1k, C
= 5.6k, C
= 2.7k, C
= 0.01 μF
= 5.6k, C
= 5.6k, C
= 5.6k, C
= 8V to 40V
= 8 to 40V
= 0
≤
Conditions
f
≤
T
T
= 0.001 μF
10 kHz
T
T
T
T
T
= 5.6k,
= 0.01 μF
= 0.01 μF
= 0.01 μF
= 0.01 μF
= 0.01 μF
(Note 5)
200 mA
5 mA
40V
55V
40V
3
Typ
550
0.5
0.5
3.4
10
10
66
50
40
20
20
38
5
5
3
Internal Power Dissipation
Operating Junction Temperature
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering 4 sec.)
(Note 3)
Tested
Range (Note 2)
LM2524D
LM3524D
M, N Pkg.
Limit
LM2524D
4.85
5.15
17.5
22.5
180
2.4
1.5
3.6
15
15
25
34
42
1
(Note 4)
Design
Limit
4.80
5.20
100
500
3.8
30
25
Typ
350
0.5
0.5
10
10
66
50
40
20
20
38
5
5
3
(Note 3)
Tested
LM3524D
Limit
4.75
5.25
17.5
22.5
200
1.0
2.4
1.5
3.8
25
25
25
30
46
(Note 4)
−40°C to +125°C
−65°C to +150°C
Design
Limit
100
0°C to +125°C
50
50
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μV
260°C
mA Max
mA Min
mV/kHr
kHz
kHz
mV
mV
kHz
kHz
kHz
Units
150°
μs
%
V
V
V
V
rms Max
1W
dB
%
Max
Max
Min
Min
Max
Max
Max
Max
Max
Max
Min
Min
Min