LM2596DSADJR4G ON Semiconductor, LM2596DSADJR4G Datasheet - Page 7

• Manufacturer Part Number: LM2596DSADJR4G
• Description: IC REG SW STP-DWN 3A D2PAK-5
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of LM2596DSADJR4G

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 37 V
• Current - Output: 3A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Output Voltage: 1.23 V to 37 V
• Output Current: 3 A
• Input Voltage: - 5 V to - 12 V
• Switching Frequency: 150 KHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 95 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

B
C
D
A
4.0 A
2.0 A
4.0 A
2.0 A
10 V
0
0
0
Vout = 5 V
A: Output Pin Voltage, 10 V/div
B: Switch Current, 2.0 A/div
C: Inductor Current, 2.0 A/div, AC−Coupled
D: Output Ripple Voltage, 50 mV/div, AC−Coupled
Horizontal Time Base: 5.0 ms/div
8.5 V - 40 V
Unregulated
Figure 13. Switching Waveforms
DC Input
TYPICAL PERFORMANCE CHARACTERISTICS
2 ms/div
C
100 mF
in
V
in
1
3
Adjustable Output Voltage Versions
GND
LM2596
Figure 15. Typical Test Circuit
5
http://onsemi.com
V out + V
R2 + R1
Where V
between 1.0 k and 5.0 k
ON/OFF
2
4
Feedback
Output
ref
ref
7
= 1.23 V, R1
V out
V
Change
Voltage
Current
ref
Output
1.0 ) R2
Load
1.0
- 100 mV
100 mV
D1
1N5822
33 mH
3.0 A
2.0 A
1.0 A
R1
L1
0
0
Figure 14. Load Transient Response
(Circuit of Figure 15)
C
220 mF
out
100 ms/div
R2
R1
C
FF
5,000 V
Load
V
out