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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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BM81810MUF-M 데이터시트(PDF) 6 Page - Rohm |
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BM81810MUF-M 데이터시트(HTML) 6 Page - Rohm |
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6 / 78 page  BM81810MUF-M . 6/75 TSZ02201-0A3A0AS00510-1-2 © 2020 ROHM Co., Ltd. All rights reserved. 15.May.2020 Rev.001 TSZ22111 • 15 • 001 www.rohm.com Electrical Characteristics (Unless otherwise specified, Ta=25°C, VIN, VINB=3.3V) 1. VDD regulator block (Alternative Buck converter or LDO) Parameter Symbol Limits Unit Condition Min Typ Max Output Voltage Range VDD 0.9 - 3.4 V 50 mV step Output Voltage Accuracy 1 VDD_R1 2.462 2.5 2.538 V VDD=2.5 V setting Output Voltage Accuracy 2 VDD_R2 -2.0 - +2.0 % VDD=2.5 V to 3.4 V setting (Ta=-40 to +105 °C) Output Voltage Accuracy 3 VDD_R3 -3.0 - +3.0 % VDD=0.9 V to 2.45 V setting (Ta=-40 to +105 °C) Soft Start time VDD_SS 0.85 1 1.15 ms VDD=1.2 V setting Under-Voltage Protection voltage VDD_UVP VDD×0.7 VDD×0.8 VDD×0.9 V SWB H Side ON Resistance RONH_SWB - 300 480 mΩ DCDC mode SWB L Side ON Resistance RONL_SWB - 300 480 mΩ DCDC mode SWB H Side ON Resistance RON_SWB - 1.0 2.0 Ω LDO mode SWB H Side Leak Current IL_ SWBH - 0 20 µA (Ta=-40 to +105 °C) SWB L Side Leak Current IL_ SWBL - 0 20 µA (Ta=-40 to +105 °C) Current Limit ILMT_SWB1 1.0 1.7 2.7 A Buck DCDC mode Current Limit ILMT_SWB2 0.3 0.5 0.7 A LDO mode Maximum Duty DMAX_SWB 87 95 - % Freq=1.05 MHz (Freq=0.525 MHz:98%typ) (Freq=2.10 MHz:87%typ) Discharge Resistance DISR_VDD - 25 50 Ω 2. Boost DC/DC converter block (AVDD) Parameter Symbol Limits Unit Condition Min Typ Max Output Voltage Range AVDD 5.0 - 17.0 V 0.1 V step Output Voltage Accuracy1 AVDD_R1 10.342 10.5 10.66 V AVDD=10.5 V setting Output Voltage Accuracy2 AVDD_R2 10.29 10.5 10.71 V AVDD=10.5 V setting (Ta=-40 to +105 °C) Load Switch Soft Start time LS_SS 1.7 2 2.3 ms Soft Start Time AVDD_SS 4.25 5 5.75 ms AVDD=10.5 V setting 5 ms setting Under-Voltage Protection voltage AVDD_UVP AVDD×0.7 AVDD×0.8 AVDD×0.9 V Over-Voltage Protection voltage AVDD_OVP AVDD×1.03 AVDDx1.1 AVDD×1.2 V SW H Side On Resistance RON_SW - 250 480 mΩ SW L Side On Resistance RON_SW - 200 350 mΩ SW H Side Leak Current IL_SWH - 0 20 µA (Ta=-40 to +105 °C) SW L Side Leak Current IL_SWL - 0 20 µA (Ta=-40 to +105 °C) Current Limit ILMT_SW 2.0 4.0 6.0 A AVDD OCP=2 A setting Current Limit ILMT_SW 1.0 2.0 2.5 A AVDD OCP=1 A setting Load Switch ON Resistance RON_LS - 200 350 mΩ Maximum Duty DMAX_SW 83 90 - % Freq=1.05 MHz (Freq=0.525 MHz:95%typ) (Freq=2.10 MHz:80%typ) Discharge Resistance DISR_AVDD - 25 50 Ω |
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