LM2574HVMX-3.3 National Semiconductor, LM2574HVMX-3.3 Datasheet - Page 11

• Manufacturer Part Number: LM2574HVMX-3.3
• Description: Conv DC-DC Single Inv/Step Down 4V to 60V 14-Pin SOIC W T/R
• Manufacturer: National Semiconductor
• Type: Inverting|Step Downr

Specifications of LM2574HVMX-3.3

• Package: 14SOIC W
• Number Of Outputs: 1
• Minimum Input Voltage: 4 V
• Maximum Input Voltage: 60 V
• Switching Frequency: 58 KHz
• Operating Supply Voltage: 60(Max) V
• Maximum Output Current: 0.5 A
• Output Type: Fixed
• Output Voltage: 3.3 V
• Switching Regulator: Yes
• Efficiency: 72(Typ) %
• Operating Temperature: -40 to 125 °C

Test Circuit and Layout Guidelines
(Continued)
Inductor
1000 µH
1500 µH
2200 µH
Value
100 µH
150 µH
220 µH
330 µH
470 µH
680 µH
68 µH
FIGURE 3. Inductor Selection by
Pulse Eng.
Manufacturer’s Part Number
(Note 1)
52625
52626
52627
52628
52629
52631
*
*
*
*
RL-1284-68-43
RL-1284-100-43
RL-1284-150-43
RL-1284-220-43
RL-1284-330-43
RL-1284-470-43
RL-1283-680-43
RL-1283-1000-43
RL-1283-1500-43
RL-1283-2200-43
(Note 2)
Renco
NP5918/5919
NP5920/5921
(Note 3)
NP5915
NP5916
NP5917
NP5922
NP5923
NPI
*
*
*
11
U.S. Source
Note 1: Pulse Engineering,
P.O. Box 12236, San Diego, CA 92112
Note 2: Renco Electronics Inc.,
60 Jeffryn Blvd. East, Deer Park, NY 11729
*
European Source
Note 3: NPI/APC
47 Riverside, Medway City Estate
Strood, Rochester, Kent
*
Contact Manufacturer
Contact Manufacturer
ME2 4DP.
[phone]
[phone]
[phone]
UK
www.national.com