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L5956 Datasheet(PDF) 7 Page - STMicroelectronics |
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L5956 Datasheet(HTML) 7 Page - STMicroelectronics |
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7 / 17 page  L5956 Electrical specifications Doc ID 13852 Rev 3 7/17 Load dump Vin1 Battery overvoltage Vin1 18 20 22 V Load dump Vin2 Battery overvoltage Vin2 18 20 22 V REGULATOR 1 Vo (REG 1) Output voltage 8.5 V - 8 8.5 9 V ΔV Line regulation Vin1 = 10 to 18 V; I = 500 mA - - 50 mV ΔV Line regulation Vin1 = 9.3 to 18 V; I = 10 mA - - 50 mV ΔVi Load regulation Ireg1 = 1 to 500 mA - - 100 mV Iq Quiescent current Ireg1 = 10 mA - - 5 mA PSRR Supply voltage ripple rejection f = 1 kHz; Vin1 = 1.5 Vpp; Io = 500 mA 50 - - dB Vdrop Drop out voltage Ireg1 = 500 mA (2) -- 0.6 V Im Current limit Rshort = 0.5 Ω 0.6 - 1.2 A REGULATOR 2 Vo (ST BY) Output voltage 5 V - 4.75 5 5.25 V ΔV Line regulation Vin1 = 7 to 18 V; I = 300 mA - - 50 mV ΔV Line regulation Vin1 = 6 to 18 V; I = 10 mA - - 50 mV ΔVi Load regulation Ireg2 = 1 to 300 mA - - 100 mV Iq Quiescent current Ireg2 = 10 mA - - 3 mA PSRR Supply voltage ripple rejection f = 1 kHz; Vin1 = 1.5 Vpp; Io = 300 mA 50 - dB Vdrop Drop out voltage Ireg2 = 300 mA (2) -- 1.5 V Vdrop Drop out voltage Ireg2 = 100 mA (2) -- 0.6 V Im Current limit Rshort = 0.5 Ω 400 - 800 mA REGULATOR 3 Vo (REG 3) Output voltage 5V - 4.75 5 5.25 V ΔV Line regulation Vin2 = 7 to 18 V; I = 800 mA - - 50 mV ΔV Line regulation Vin2 = 6 to 18 V; I = 10 mA - - 50 mV ΔVi Load regulation Ireg3 = 1 to 800 mA - - 100 mV Iq Quiescent current Ireg3 = 10 mA - - 5 mA PSRR Supply voltage ripple rejection f = 1 kHz; Vin1 = 1.5 Vpp; Io = 800 mA 50 - - dB Vdrop Drop out voltage Ireg3 = 800 mA (2) -- 1.5 V Im Current limit Rshort = 0.5 Ω 1-2 A Table 4. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
Similar Part No. - L5956_11 |
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Similar Description - L5956_11 |
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