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MIC2130 Fiches technique(PDF) 4 Page - Micrel Semiconductor |
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MIC2130 Fiches technique(HTML) 4 Page - Micrel Semiconductor |
4 / 20 page Micrel, Inc. MIC2130/1 April 2008 4 M9999-042108-C Absolute Maximum Ratings (1) Supply Voltage (VIN).......................................................42V Boot Strapped Voltage (VBST)..................................VIN + 5V Logic Inputs...................................................................6.5V EN Input .........................................................................42V Ambient Storage Temperature (Ts)...........–65°C to +150°C ESD Rating (3)...............................................................1.5kV Operating Ratings (2) Supply Voltage (VIN1, VIN2)................................ +8V to +40V Output Voltage Range.................................. 0.7V to 0.85VIN Junction Temperature (TJ) ..................–40°C ≤ TJ ≤ +125°C Package Thermal Resistance e-TSSOP ( θJA) ................................................97.5°C/W e-TSSOP ( θJC) ................................................29.9°C/W 4x4 MLF-16 ( θJA) ............................................50.6°C/W 4x4 MLF-16 ( θJC) ............................................15.8°C/W Electrical Characteristics (4) TJ = 25°C; VEN = VIN = 24V; Frequency = 150kHz; VOUT = 3.3V, unless otherwise specified. Bold values indicate –40°C≤ TJ ≤ +125°C. Parameter Condition Min Typ Max Units VIN, VEN/UVLO, VDD Supply Total Supply Current, PWM Mode Supply Current VFB = 0.7V; Comp = 3V (Outputs switching but excluding external MOSFET gate current.) 4 7.5 mA Shutdown Current VEN = 0V; VIN = 12V 180 300 µA VEN/UVLO Turn-On Threshold 1.1 1.3 V VEN/UVLO Turn-Off Threshold 0.7 1.0 V VIN UVLO Hysteresis 100 mV Internal Bias Voltages (AVDD,) (IDD = 50mA) 4.6 5 5.3 V Oscillator/PWM Section PWM Frequency MIC2130/1-1 130 150 170 kHz PWM Frequency MIC2130/1-4 360 400 440 kHz Maximum Duty Cycle MIC2130/1-1 92 % Maximum Duty Cycle MIC2130/1-4 80 % Minimum On-Time Note 5 50 ns Regulation Feedback Voltage Reference (±2%) -40 °C to +125°C 686 700 714 mV Feedback Bias Current 300 1000 nA Output Voltage Line Regulation VIN = 8V – 40V 0.03 %/V Output Voltage Load Regulation 1A ≤ IOUT ≤ 10A 0.5 % Error Amplifier (each channel) DC Gain 70 dB Output Impedance 2 MΩ Transconductance 1.2 1.6 2.5 ms Output Over voltage Protection VFB Threshold (Latches LSD High) 110 115 120 %Nom Delay Blanking Time 1 µs Soft Start/HCL Internal Soft Start Source Current 1 2.75 5 µA HCL (MIC2131) Pin Voltage High ILIMIT set to 200% when HCL charges to2.4V 2.4 V |
Numéro de pièce similaire - MIC2130 |
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Description similaire - MIC2130 |
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