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MP2141N Folha de dados(PDF) 4 Page - Monolithic Power Systems |
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MP2141N Folha de dados(HTML) 4 Page - Monolithic Power Systems |
4 / 19 page MP2141N – 1A, SYNCHRONOUS, STEP-DOWN CONVERTER WITH 11µA I Q MP2141N Rev. 1.12 www.MonolithicPower.com 4 7/28/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 3.6V, TJ = -40°C to +125°C (7). Typical value is tested at T J = +25°C. The limit over temperature is guaranteed by characterization, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units Feedback voltage VFB 2.3 V ≤ V IN ≤ 5.5V, TJ = 25° C 594 600 606 mV TJ = -40°C to +125°C 588 612 Fixed Output Voltage (8) Only for MP2141NGTF- 18,IOUT=10mA, TJ = 25°C 1.782 1.8 1.818 V Only for MP2141NGTF- 18,IOUT=10mA, TJ = -40°C to +125°C 1.764 1.8 1.836 V Only for MP2141NGTF-15, IOUT=10mA, TJ = 25°C 1.485 1.5 1.515 V Only for MP2141NGTF-15, IOUT=10mA, TJ = -40°C to +125°C 1.470 1.5 1.530 V Feedback current IFB VFB = 0.63V 50 100 nA P-FET switch on resistance RDSON_P 120 mΩ N-FET switch on resistance RDSON_N 80 mΩ Switch leakage current VEN = 0V, VIN = 6V, VSW = 0V and 6V, TJ = 25°C 0 1 μA P-FET peak current limit Sourcing 1.8 2.4 A N-FET valley current limit Sourcing, valley current limit 1.5 A ZCD 0 mA On time TON VIN = 5V, VOUT = 1.2V 110 ns VIN = 3.6V, VOUT = 1.2V 150 Switching frequency fs VIN = 5V, VOUT = 1.2V, IOUT = 500mA, TJ = 25°C (5) 1760 2200 2640 kHz VIN = 5V, VOUT = 1.2V, IOUT = 500mA, TJ = -40°C to +125°C (5) 1650 2200 2750 kHz Minimum off time TMIN-OFF 60 ns Minimum on time (6) TMIN-ON 60 ns Soft-start time TSS-ON VOUT rise from 10% to 90% 0.5 ms Under-voltage lockout threshold rising 2 2.25 V Under-voltage lockout threshold hysteresis 150 mV EN input logic low voltage 0.4 V EN input logic high voltage 1.2 V Output discharge resistor RDIS VEN = 0V, VOUT = 1.2V 1 kΩ EN input current VEN = 2V 1.2 μA VEN = 0V 0 μA Supply current (shutdown) VEN = 0V, TJ = 25°C 0 1 μA |
Nº de peça semelhante - MP2141N |
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Descrição semelhante - MP2141N |
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