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L9907N Datasheet(PDF) 3 Page - STMicroelectronics |
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L9907N Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 8 page ELECTRICAL CHARACTERISTICS (7V < VS < 18V, –40 °C< Tj < 150°C; unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit Iq Quiescent Current IOUT = 0, (Output Open) |Vdin| < 20mV (stop) |Vdin| < 200mV (L or R) 7 6 9 7 mA mA -VN-, VN+ Neutral Zone Threshold (2) 1.5 < VINC <VS -2V; VS = 12V RPR = ∞ RPR =0 3x VST 3x VST 120 240 4x VST 4x VST mV mV -VST- ,VST+ Stop Range Threshold 1.5 < VINC < VS -2V; VS = 12V RPR = ∞ RPR =0 25 50 38 76 60 100 mV mV VINCL Control Input LOW Disable Threshold Tj = -40 to +25ºC Tj = >25ºC 0.8 0.6 1.2 1.2 1.5 1.5 V V VINCH VCH (3) Control Input HIGH Disable Threshold (4) Outputs = ON with RINC = 0 Ω with RINC =5K Ω with RINC = 10K Ω VS-2 VS-1.5 VS-1.4 V V V Outputs = OFF with RINC =0 Ω with RINC =5K Ω with RINC = 10K Ω VS-0.8 VS-0.6 VS-0.4 V V V IIN Input Bias Current 1.5 < VINC <VS -2V; VS = 12V Vdin =0; RPR = ∞ Vdin = ± 200mV; RPR = ∞ Vdin =0; RPR =0 Vdin = ± 200mV; RPR =0 0.45 0.9 0.8 1.5 2.0 4.0 3.6 6.8 µA µA µA µA VOSI Output Saturation Voltage Sink Stage IOUT = 0.7A IOUT = 0.35A 1.1 0.8 1.4 1.1 V V VOSO Output Saturation Voltage Source Stage IOUT = 0.7A IOUT = 0.35A 1.2 0.9 2 1.5 V V (2) With a programming resistor RPR between the PR pin and GND the N+ and N- thresholds can be adjusted from the nominal value (RPR = ∞ , pin PR open) up to two times the nominal value (RPR = 0, pin PR shorted to GND). The formula defining VN+, VN- typical value as a function of RPR and VS is: –VN− = VN+ =(36mV + 0.017⋅ VS) ⋅ 1 + RPR 9.5K Ω 1 + 2 ⋅ RPR 9.5K Ω . for RPR = ∞ this formula reduced to: -VN+ (RPR = ∞)= VN+ (RPR = ∞) = 18mV + 0.0086 ⋅ VS. for Vs in V and RPR in K Ω these formulas result in mV (3) VCH is the control input voltage applied to the pin INC through a serial resistor RINC (4) OUTPUTS = UNDEFINED for: VS -2V < VCH (RINC =0 Ω)< VS -0.8V V S -1.5V < VCH (RINC =5K Ω)< VS -0.6V V S -1.4V < VCH (RINC = 10K Ω)< VS -0.4V VN- MOTOR DIRECTION RIGHT D95AT182 V H- VH+ V N+ MOTOR DIRECTION LEFT VINC -VINF NEUTRALZONE STOP RANGE VM =VOUTC -VOUTF Figure 1: L9907N Differential Input to Output Transfer Characteristics L9907N 3/8 |
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