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BD9631GU Datasheet(PDF) 6 Page - Rohm |
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BD9631GU Datasheet(HTML) 6 Page - Rohm |
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6 / 29 page  BD9631GU 6/25 TSZ02201-0313AA400610-1-2 © 2016 ROHM Co., Ltd. All rights reserved. 26.Apr.2016 Rev.001 www.rohm.com TSZ22111・15・001 Electrical Characteristics –continued （Unless otherwise specified, VVBAT=VVBAT3,4,5,6,8=3.7[V], VOUT1 Input terminal=4.2[V], Ta=25[°C]） Parameter Symbol Limit Unit Conditions MIN TYP MAX 【CH2】 Reference Voltage VREF2 0.29 0.30 0.31 V Startup period 85% tSS2 0.51 1.28 2.05 ms Startup Period 100% 1.5[ms]（TYP） PMOS ON-Resistance RONP2 - 1.20 1.95 Ω Power Supply 3.7[V] 【CH3】 Error Amp Reference Voltage VEREF3 0.39 0.40 0.41 V Soft-start Period 85% tSS3 0.425 0.85 1.70 ms Soft-start Period 100% 1.0[ms]（TYP） PMOS ON-Resistance RONP3 - 0.45 0.70 Ω Power Supply 3.7[V] NMOS ON-Resistance RONN3 - 0.30 0.55 Ω Power Supply 3.7[V] 【CH4】 Error Amp Reference Voltage VEREF4 0.39 0.40 0.41 V Soft-start Period 85% tSS4 1.07 2.13 4.26 ms Soft-start Period 100% 2.5[ms]（TYP） PMOS ON-Resistance DOWN side RONPD4 - 0.45 0.70 Ω Power Supply 3.7[V] NMOS ON-Resistance DOWN side RONND4 - 0.30 0.55 Ω Power Supply 3.7[V] PMOS ON-Resistance UP side RONPU4 - 0.45 0.70 Ω Power Supply 3.7[V] NMOS ON-Resistance UP side RONNU4 - 0.30 0.55 Ω Power Supply 3.7[V] Maximum Duty DMAX4 65 80 95 % 【CH5】 Error Amp Reference Voltage VEREF5 0.39 0.40 0.41 V Soft-start Period 85% tSS5 1.75 3.5 7.0 ms Soft-start Period 100% 4.12[ms]（TYP） PMOS ON-Resistance RONP5 - 0.35 0.60 Ω Power Supply 3.7[V] NMOS ON-Resistance RONN5 - 0.35 0.60 Ω Power Supply 3.7[V] Maximum Duty DMAX5 76.5 - - % 【CH6】 Error Amp Reference Voltage 1 VEREF6 0.386 0.40 0.414 V Constant voltage control side Error Amp Reference Voltage 2 VEREF6.1 0.386 0.40 0.414 V Constant current control side Soft-start Period 85% tSS6 2.55 5.10 10.2 ms Soft-start Period 100% 6.0[ms](TYP) Load Switch ON-Resistance RONP6 - 0.40 0.65 Ω Power Supply 3.7[V] Maximum Duty DMAX6 87 - - % 【CH7】 Error Amp Reference Voltage VEREF7 0.983 1.00 1.017 V Soft-start Period 85% tSS7 2.55 5.10 10.2 ms Soft-start Period 100% 6.0[ms](TYP) PMOS ON-Resistance RONP7 - 4.00 6.40 Ω Power Supply 3.7[V] NMOS ON-Resistance RONN7 - 0.70 1.12 Ω Power Supply 3.7[V] Maximum Duty DMAX7 87 - - % 【CH8】 Error Amp Reference Voltage VEREF8 0.978 1.00 1.022 V Refer to P.16 for Output Voltage accuracy Soft-start Period 85% tSS8 2.55 5.10 10.2 ms Soft-start Period 100% 6.0[ms](TYP) Maximum Duty DMAX8 87 - - % |
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