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A6986F Datasheet(PDF) 8 Page - STMicroelectronics |
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A6986F Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 72 page Electrical characteristics A6986F 8/72 DocID027739 Rev 1 3 Electrical characteristics TJ = -40 to 135 °C, VIN = 12 V unless otherwise specified. Table 5. Electrical characteristics Symbol Parameter Test condition Note Min. Typ. Max. Unit VIN Operating input voltage range 4 38 V VINH VCC UVLO rising threshold 2.7 3.5 VINL VCC UVLO falling threshold 2.4 3.5 IPK Peak current limit Duty cycle < 20% 2.3 A Duty cycle = 100% closed loop operation 1.8 IVY Valley current limit 2.4 ISKIPH Programmable skip current limit LCM, VSYNCH = GND (1) 0.2 0.4 0.6 ISKIPL LCM, VSYNCH = VCC (2) 0.2 IVY_SNK Reverse current limit LNM or VOUT overvoltage 0.5 1 2 RDSON HS High-side RDSON ISW = 1 A 0.18 0.360 RDSON LS Low-side RDSON ISW = 1 A 0.15 0.300 fSW Selected switching frequency FSW pinstrapping before SS See Table 6: fSW selection IFSW FSW biasing current SS ended 0 500 nA LCM/LNM Low noise mode / Low consumption mode selection MLF pinstrapping before SS See Table 7 on page 11, Table 8 on page 12, Table 9 on page 12 IMLF MLF biasing current SS ended 0 500 nA D Duty cycle (2) 0 100 % TON MIN Minimum On time 80 ns VCC regulator VCC LDO output voltage VBIAS = GND (no switchover) 2.9 3.3 3.6 V VBIAS = 5 V (switchover) 2.9 3.3 3.6 SWO VBIAS threshold (3 V< VBIAS < 5.5 V) Switch internal supply from VIN to VBIAS 2.85 3.2 Switch internal supply from VBIAS to VIN 2.78 3.15 Power consumption ISHTDWN Shutdown current from VIN VSS/INH = GND 4 8 15 A |
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