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MP2131 Folha de dados(PDF) 4 Page - Monolithic Power Systems |
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MP2131 Folha de dados(HTML) 4 Page - Monolithic Power Systems |
4 / 16 page MP2131 – 4 A, 5.5 V, 1.2 MHZ SYNCHRONOUS STEP-DOWN CONVERTER MP2131 Rev.1.0 www.MonolithicPower.com 4 5/6/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 3.6 V, TJ = -40°C to +125°C, typical value is tested at TJ = +25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units Feedback voltage VFB 2.7 V ≤ VIN ≤ 5.5 V, TJ = 25°C 594 600 606 mV Feedback voltage VFB 2.7 V ≤ VIN ≤ 5.5 V 588 600 612 mV Feedback current IFB VFB = 0.63 V 10 50 nA PFET switch on resistance RDSON_P VIN = 5 V 35 mΩ NFET switch on resistance RDSON_N VIN = 5 V 18 mΩ Switch leakage VEN = 0 V, VIN = 5.5 V VSW =0 V and 5.5 V, TJ=25°C 0 5 μA PFET peak current limit (5) TJ=25°C 5.5 7.5 A NFET valley current limit (5) 3.5 A VIN = 5 V, VOUT = 1.2 V 200 On time TON VIN = 3.6 V, VOUT = 1.2 V 280 ns Switching frequency Fs VOUT =1.2 V 1200 kHz Minimum off time TMIN-OFF 100 ns Minimum on time (6) TMIN-On 80 ns Soft-start time TSS-ON From 10% VOUT to 90% VOUT 0.5 ms Soft-stop time TSS-OFF From 90% VOUT to 10% VOUT 0.8 ms Power good upper trip threshold FB with respect to the regulation +10 % Power good lower trip threshold -10 % Power good delay Rising 90 μs Power good sink current capability VPG_LO Sink 1 mA 0.4 V Power good logic-high voltage VPG_HI VIN = 5 V,VFB = 0.63 V 4.9 V Power good internal pull-up resistor RPG 400 kΩ Under-voltage lockout threshold—rising -40 oC ≤ TJ ≤ 85oC 2.48 2.68 V Under-voltage lockout threshold—hysteresis 450 mV |
Nº de peça semelhante - MP2131 |
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Descrição semelhante - MP2131 |
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