LM2575HVT-ADJ/NOPB National Semiconductor, LM2575HVT-ADJ/NOPB Datasheet - Page 8

• Manufacturer Part Number: LM2575HVT-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER TO-220-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2575HVT-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 57 V
• Current - Output: 1A
• Frequency - Switching: 52kHz
• Voltage - Input: 4 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Current, Input Bias: 50 nA
• Current, Output: 1 A
• Current, Supply: 10 mA
• Frequency, Oscillator: 52 kHz
• Package Type: TO-220
• Regulator Type: Buck (Step-Down)
• Resistance, Thermal, Junction To Case: 2 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Input: 60 V
• Voltage, Output: 1.23 to 37 V
• Primary Input Voltage: 60V
• No. Of Outputs: 1
• Output Voltage: 57V
• Output Current: 1A
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Filter Terminals: Through Hole
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2575HVT-ADJ; *LM2575HVT-ADJ/NOPB; LM2575HVT-ADJ

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Typical Performance Characteristics
Feedback
Pin Current
Continuous Mode Switching Waveforms
V
Notes:
A: Output Pin Voltage, 10V/div
B: Inductor Current, 0.2 A/div
C: Output Ripple Voltage, 20 mV/div,
AC-Coupled
Horizontal Time Base: 5 µs/div
500 mA Load Transient Response for Continuous
Mode Operation. L = 330 µH, C
Notes:
A: Output Voltage, 50 mV/div.
AC Coupled
B: 100 mA to 500 mA Load Pulse
Horizontal Time Base: 200 µs/div
OUT
= 5V, 500 mA Load Current, L = 330 µH
OUT
= 300 µF
DS011394-39
DS011394-6
DS011394-8
(Circuit of Figure 2 ) (Continued)
Junction to Ambient
Thermal Resistance
Discontinuous Mode Switching Waveforms
V
Notes:
A: Output Pin Voltage, 10V/div
B: Inductor Current, 0.2 A/div
C: Output Ripple Voltage, 20 mV/div,
AC-Coupled
Horizontal Time Base: 5 µs/div
250 mA Load Transient Response for Discontinuous
Mode Operation. L = 68 µH, C
Notes:
A: Output Voltage, 50 mV/div.
AC Coupled
B: 50 mA to 250 mA Load Pulse
Horizontal Time Base: 200 µs/div
8
OUT
= 5V, 100 mA Load Current, L = 100 µH
OUT
= 470 µF
DS011394-40
DS011394-7
DS011394-9