LM2574HVN-ADJ/NOPB National Semiconductor, LM2574HVN-ADJ/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM2574HVN-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER 8-DIP
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2574HVN-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 57 V
• Current - Output: 500mA
• Frequency - Switching: 52kHz
• Voltage - Input: 4 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Power - Output: 750mW
• 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
• Msl: MSL 1 - Unlimited
• Supply Voltage Range: 4V To 60V
• Rohs Compliant: Yes
• Input Voltage Primary Max: 60V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM2574HVN-ADJ; *LM2574HVN-ADJ/NOPB; LM2574HVN-ADJ

Typical Performance Characteristics
Current Limit
Oscillator Frequency
Minimum Operating Voltage
DS011394-30
DS011394-33
DS011394-36
Supply Current
Switch Saturation
Voltage
Supply Current
vs Duty Cycle
(Circuit of Figure 2 ) (Continued)
7
DS011394-31
DS011394-34
DS011394-37
Standby
Quiescent Current
Efficiency
Feedback Voltage
vs Duty Cycle
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DS011394-35
DS011394-32
DS011394-38