LM2577T-ADJ/NOPB National Semiconductor, LM2577T-ADJ/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM2577T-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER TO-220-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2577T-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 11.4 ~ 12.6 V
• Current - Output: 3A
• Frequency - Switching: 52kHz
• Voltage - Input: 3.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Current, Input Bias: 100 nA
• Current, Output: 3 A
• Current, Supply: 25 mA
• Frequency, Oscillator: 52 kHz
• Package Type: TO-220
• Regulation, Line: 20 mV
• Regulation, Load: 20 mV
• Regulator Type: Boost (Step-Up)
• Resistance, Thermal, Junction To Case: 2 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Transconductance: 3700
• Voltage, Gain: 800 V/V
• Voltage, Input: 3.5 to 40 V
• Dc To Dc Converter Type: Step Up
• Pin Count: 5 +Tab
• Input Voltage: 40V
• Output Voltage: 11.6 to 12.4V
• Switching Freq: 48 TO 56KHz
• Output Current: 3A
• Efficiency: 80%
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 50mV
• Line Regulation: 50mV
• Mounting: Through Hole
• Input Voltage (min): 3.5V
• Operating Temperature Classification: Automotive
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2577T-ADJ; *LM2577T-ADJ/NOPB; LM2577T-ADJ

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Typical Performance Characteristics
Error Amp Transconductance
Error Amp Transconductance
Gain vs Temperature
Error Amp Voltage
vs Temperature
vs Temperature
01146842
01146844
01146840
10
(Continued)
Error Amp Transconductance
Gain vs Temperature
Gain vs Temperature
Error Amp Voltage
Error Amp Voltage
vs Temperature
01146845
01146841
01146843