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MIC39500 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC39500 Datasheet(HTML) 3 Page - Micrel Semiconductor |
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3 / 10 page  August 2005 3 M9999-082605-B MIC39500/39501 Micrel Absolute Maximum Ratings (Note 1) Supply Voltage (VIN).......................................–20V to +20V Enable Voltage (VEN) ..................................................+20V Storage Temperature (TS) ........................ –65°C to +150°C Lead Temperature (soldering, 5 sec.)........................ 260°C ESD, Note 3 Operating Ratings (Note 2) Supply Voltage (VIN)................................... +2.25V to +16V Enable Voltage (VEN) ..................................................+16V Maximum Power Dissipation (PD(max))..................... Note 4 Junction Temperature (TJ)........................ –40°C to +125°C Package Thermal Resistance TO-263 (θJC) .........................................................2°C/W TO-220 (θJC) .........................................................2°C/W Electrical Characteristics TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted Symbol Parameter Condition Min Typ Max Units VOUT Output Voltage 10mA –1 1 % 10mA ≤ IOUT ≤ 5A, VOUT + 1V ≤ VIN ≤ 16V –2 2 % Line Regulation IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 16V 0.06 0.5 % Load Regulation VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 5A 0.2 1 % ∆VOUT/∆T Output Voltage Temp. Coefficient, 20 100 ppm/°C Note 5 VDO Dropout Voltage, Note 6 IOUT = 250mA, ∆VOUT = –2% 125 250 mV IOUT = 2.5A, ∆VOUT = –2% 320 mV IOUT = 5A, ∆VOUT = –2% 400 575 mV IGND Ground Current, Note 7 IOUT = 2.5A, VIN = VOUT + 1V 15 50 mA IOUT = 5A, VIN = VOUT + 1V 70 mA IGND(do) Dropout Ground Pin Current VIN ≤ VOUT(nominal) – 0.5V, IOUT = 10mA 2.1 mA IOUT(lim) Current Limit VOUT = 0V, VIN = VOUT + 1V 7.5 A en Output Noise Voltage COUT = 47µF, IOUT = 100mA, 10Hz to 100kHz 260 µV(rms) Enable Input (MIC39501) VEN Enable Input Voltage logic low (off) 0.8 V logic high (on) 2.25 V IIN Enable Input Current VEN = VIN 30 35 µA 75 µA VEN = 0.8V 2 µA 4 µA IOUT(shdn) Shutdown Output Current Note 8 10 20 µA Flag Output (MIC39501) IFLG(leak) Output Leakage Current VOH = 16V 0.01 1 µA 2 µA VFLG(do) Output Low Voltage VIN = 2.250V, IOL, = 250µA, Note 9 180 300 mV 400 mV Low Threshold 1% of VOUT 93 % VFLG High Threshold 1% of VOUT 99.2 % Hysteresis 1 % Note 1. Exceeding the absolute maximum ratings may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. Devices are ESD sensitive. Handling precautions recommended. Note 4. PD(max) = (TJ(max) – TA – T – T ) ÷ θJA, where θJA depends upon the printed circuit layout. See “Applications Information.” JA JA Note 5. Output voltage temperature coefficient is ∆VOUT(worst case) ÷ (TJ(max) – TJ(min)) where TJ(max) is +125°C and TJ(min) is –40°C. Note 6. VDO = VIN – VOUT when VOUT decreases to 98% of its nominal output voltage with VIN = VOUT + 1V. For voltages below 2.25V, Dropout volt- age is the input-to-output voltage differential with the minimum input voltage being 2.25V. Minimum input operating voltage is 2.25V. Note 7. IGND is the quiescent current. IIN = IGND + IOUT. Note 8. VEN ≤ 0.8V, VIN ≤ 8V, and VOUT = 0V Note 9. For a 2.5V device, VIN = 2.250V (device is in dropout). Symbol Parameter Condition Min Typ Max Units Output Voltage 10mA Load Regulation V /∆T Output Voltage Temp. Coefficient, Dropout Voltage, I I Ground Current, I Dropout Ground Pin Current V Current Limit V Output Noise Voltage C Symbol Parameter Condition Min Typ Max Units Output Voltage 10mA Line Regulation I Load Regulation V I I I I Dropout Ground Pin Current V Current Limit V Output Noise Voltage C Symbol Parameter Condition Min Typ Max Units –2 ≤ 16V 0.06 0.5 % ≤ 5A 0.2 1 % 20 100 = –2% 125 = –2% 320 mV = –2% 400 + 1V 15 + 1V 70 mA = 10mA 2.1 mA + 1V 7.5 A = 100mA, 10Hz to 100kHz 260 Symbol Parameter Condition Min Typ Max Units 1 1 % ≤ 16V 0.06 0.5 % ≤ 5A 0.2 1 % 20 100 = –2% 125 = –2% 320 mV = –2% 400 + 1V 15 + 1V 70 mA = 10mA 2.1 mA + 1V 7.5 A = 100mA, 10Hz to 100kHz 260 Symbol Parameter Condition Min Typ Max Units 1 1 % ≤ 16V 0.06 0.5 % ≤ 5A 0.2 1 % 20 100 = –2% 320 mV + 1V 70 mA = 10mA 2.1 mA + 1V 7.5 A = 100mA, 10Hz to 100kHz 260 Symbol Parameter Condition Min Typ Max Units 1 1 % % ≤ 16V 0.06 0.5 % ≤ 5A 0.2 1 % = –2% 320 mV + 1V 70 mA = 10mA 2.1 mA + 1V 7.5 A Enable Input Voltage logic low (off) logic high (on) Enable Input Current V V Shutdown Output Current Enable Input Voltage logic low (off) logic high (on) Enable Input Current V V Enable Input Voltage logic low (off) 30 35 µA = 0.8V 2 µA 10 Enable Input Voltage logic low (off) 30 35 µA = 0.8V 2 µA 10 30 35 µA = 0.8V 2 µA 30 35 µA = 0.8V 2 µA µA Output Leakage Current V Output Low Voltage V High Threshold 1% of V Hysteresis 1 % Output Leakage Current V Output Low Voltage V Low Threshold 1% of V High Threshold 1% of V Hysteresis 1 % = 16V 0.01 1 µA 180 300 mV OUT Hysteresis 1 % = 16V 0.01 1 µA 180 300 mV 93 % OUT Hysteresis 1 % = 16V 0.01 1 µA 180 300 mV 93 % Hysteresis 1 % = 16V 0.01 1 µA µA 180 300 mV mV 93 % 99.2 % Hysteresis 1 % |
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