LM2597HVN-ADJ National Semiconductor, LM2597HVN-ADJ Datasheet - Page 15

• Manufacturer Part Number: LM2597HVN-ADJ
• Description: IC, STEP-DOWN REGULATOR, 8-DIP
• Manufacturer: National Semiconductor

Specifications of LM2597HVN-ADJ

• Primary Input Voltage: 60V
• No. Of Outputs: 1
• Output Voltage: 57V
• Output Current: 500mA
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Supply Voltage Range: 4.5V To 60V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LM2597/LM2597HV Series Buck Regulator Design Procedure (Adjustable
Output)
Voltage
Output
1.2
1 2
1 5
2 4
2 8
(V)
4
6
9
(Continued)
HFQ Series
Panasonic
220/25
180/25
(µF/V)
82/25
82/25
82/25
82/25
82/50
82/50
FIGURE 2. Output Capacitor and Feedforward Capacitor Selection Table
Through Hole Output Capacitor
Nichicon PL
Series
220/25
180/25
120/50
120/50
(µF/V)
82/25
82/25
82/25
82/25
Feedforward
Capacitor
820 pF
4.7 nF
4.7 nF
3.3 nF
2.2 nF
1.5 nF
1 nF
0
15
AVX TPS
220/10
100/10
100/10
100/16
100/16
Series
(µF/V)
68/20
10/35
10/35
Surface Mount Output Capacitor
595D Series
Sprague
220/10
120/10
120/10
100/16
100/16
100/20
(µF/V)
15/35
15/35
Feedforward
Capacitor
220 pF
220 pF
4.7 nF
4.7 nF
3.3 nF
2.2 nF
1.5 nF
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