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SMB214B Datasheet(PDF) 8 Page - Summit Microelectronics, Inc. |
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SMB214B Datasheet(HTML) 8 Page - Summit Microelectronics, Inc. |
8 / 26 page SMB214A/B/C Summit Microelectronics, Inc 2128 2.0 6/20/2008 8 ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS Temperature Under Bias .................... -55 °C to +125°C Storage Temperature.......................... -65 °C to +150°C Terminal Voltage with Respect to GND: VBATT Supply Voltage .................... -0.3V to +10V HVSUP Supply Voltage .................. -0.3V to +6.5V All Others ...................................... -0.3V to VBATT Output Short Circuit Current .................…………100mA Reflow Solder Temperature (30 secs)............... +260 °C Junction Temperature........................................ +150 °C ESD Rating per JEDEC ..................................... +2000V Latch-Up testing per JEDEC............................. ±100mA Commercial Temperature Range............... 0°C to +70°C Industrial Temperature Range ................ -40°C to +85°C VBATT Supply Voltage ........................... +2.7V to +6.0V HVSUP Supply Voltage........................... +2.7V to +6.0V All Others.................................................GND to VBATT Package Thermal Resistance ( θJA), 32-Lead QFN (thermal pad connected to PCB)....................... 37.2°C/W Moisture Classification Level 3 (MSL 3) per J-STD-020 RELIABILITY CHARACTERISTICS Data Retention ................................................ 100 Years Endurance................................................ 100,000 Cycle Temperature Range ................................ -40°C to +85°C Note - The device is not guaranteed to function outside its operating rating. Stresses listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions outside those listed in the operational sections of the specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability. DC OPERATING CHARACTERISTICS (Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.) Symbol Parameter Conditions Min Typ Max Unit VBATT Input supply voltage Input supply voltage (operational) 2.7 6.0 V VHVSUP Buck driver supply voltage Gate drive voltage 2.7 6.0 V VBATT rising 2.2 2.3 V VUVLO Under-voltage lockout VBATT falling 1.9 2.0 V IDD-MONITOR Monitoring current All voltage inputs monitored. No supplies switching, VBATT at 4.2V. 290 400 µA IDD-ACTIVE Active current Total current all channels enabled. No load. VBATT at 4.2V. Note 2. 1.2 2.0 mA VDD_CAP Internal supply, present on VDD_CAP pin No load 2.4 2.5 2.6 V Oscillator SMB214A 320 400 480 SMB214B 640 800 960 fOSC Oscillator frequency SMB214C 800 1000 1200 kHz OPP LT Oscillator peak-to-peak 1 V ∆fSV Frequency stability for voltage 0.1 %/V +25°C to +70°C, fOSC = 800kHz 0.18 ∆fST Frequency stability for temperature +25°C to +85°C, fOSC = 800kHz 0.22 kHz/° C |
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