Datasheet LT3582, LT3582-5, LT3582-12 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Boost and Single Inductor Inverting DC/DC Converters with Optional I2C Programing and OTP |
| 页数 / 页 | 28 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| 文件格式/大小 | PDF / 328 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
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LT3582/LT3582-5/LT3582-12
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V, VSHDN = VIN unless otherwise noted. (Note 3) Programmable Output Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IRAMP10 RAMPP/RAMPN Pull-Up Current (Note 2) VRAMPP = 0.0V l 2.8 4.0 5.2 μA IRMP Code = 10 VRAMPN = 0.0V IRAMP11 RAMPP/RAMPN Pull-Up Current (Note 2) VRAMPP = 0.0V l 5.6 8.0 10.4 μA IRMP Code = 11 VRAMPN = 0.0V VVPLUS VOUTP Voltage Increase When VPLUS Bit is 25 mV Set from 0 to 1 (Note 2)
Input/Output Pin Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VSHDN_VIH SHDN Input Voltage High l 1.1 V VSHDN_VIL SHDN Input Voltage Low l 0.3 V VHYST_SHDN SHDN Input Hysteresis 50 mV ISHDN_BIAS SHDN Pin Bias Current VSHDN = 1V 2.5 4.5 6.5 μA VCA_VIH CA Input Voltage High l 0.7 × VIN V VCA_VIL CA Input Voltage Low l 0.3 × VIN V VSDA_VIH SDA Input Voltage High l 1.25 V VSDA_VIL SDA Input Voltage Low l 0.85 V VSCL_VIH SCL Input Voltage High l 1.25 V VSCL_VIL SCL Input Voltage Low l 0.85 V VHYST Input Hysteresis SDA, SCL Pins 80 mV ILEAK_CA CA Input Leakage Current CA = 0V and 5.5V l ±1 μA ILEAK_SCL SCL Input Leakage Current SCL = 0V and 5.5V l ±1 μA ILEAK_SDA SDA Input Leakage Current SDA = 0V and 5.5V l ±1 μA CIN Input Capacitance SDA, SCL Pins 3 pF VSDA_OL SDA Output Low Voltage 3mA into SDA Pin l 0.4 V VPP_RANGE VPP Voltage Range for OTP Write (Note 2) 13 15 V VPPUVLO Undervoltage Lockout for VPP Pin (Note 2) l 12.05 12.45 12.85 V
I2C Timing Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSCL Serial Clock Frequency l 100 kHz tLOW Serial Clock Low Period l 4.7 μs tHIGH Serial Clock High Period l 4.0 μs tBUF Bus Free Time Between Stop and Start l 4.7 μs tHD,STA Start Condition Hold Time l 4.0 μs tSU,STA Start Condition Setup Time l 4.7 μs tSU,STO Stop Condition Setup Time l 4.0 μs tHD,DATXMIT Data Hold Time Transmitting LT3582 Sending Data to Host l 300 ns tHD,DATRCV Data Hold Time Receiving LT3582 Receiving Data from Host l 0 ns tSU,DAT Data Setup Time l 250 ns tF SDA Fall Time 400pF Load, VIN ≥ 2.5V l 250 ns 3582512fb 4
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V, VSHDN = VIN unless otherwise noted. (Note 3) Programmable Output Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IRAMP10 RAMPP/RAMPN Pull-Up Current (Note 2) VRAMPP = 0.0V l 2.8 4.0 5.2 μA IRMP Code = 10 VRAMPN = 0.0V IRAMP11 RAMPP/RAMPN Pull-Up Current (Note 2) VRAMPP = 0.0V l 5.6 8.0 10.4 μA IRMP Code = 11 VRAMPN = 0.0V VVPLUS VOUTP Voltage Increase When VPLUS Bit is 25 mV Set from 0 to 1 (Note 2)
Input/Output Pin Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VSHDN_VIH SHDN Input Voltage High l 1.1 V VSHDN_VIL SHDN Input Voltage Low l 0.3 V VHYST_SHDN SHDN Input Hysteresis 50 mV ISHDN_BIAS SHDN Pin Bias Current VSHDN = 1V 2.5 4.5 6.5 μA VCA_VIH CA Input Voltage High l 0.7 × VIN V VCA_VIL CA Input Voltage Low l 0.3 × VIN V VSDA_VIH SDA Input Voltage High l 1.25 V VSDA_VIL SDA Input Voltage Low l 0.85 V VSCL_VIH SCL Input Voltage High l 1.25 V VSCL_VIL SCL Input Voltage Low l 0.85 V VHYST Input Hysteresis SDA, SCL Pins 80 mV ILEAK_CA CA Input Leakage Current CA = 0V and 5.5V l ±1 μA ILEAK_SCL SCL Input Leakage Current SCL = 0V and 5.5V l ±1 μA ILEAK_SDA SDA Input Leakage Current SDA = 0V and 5.5V l ±1 μA CIN Input Capacitance SDA, SCL Pins 3 pF VSDA_OL SDA Output Low Voltage 3mA into SDA Pin l 0.4 V VPP_RANGE VPP Voltage Range for OTP Write (Note 2) 13 15 V VPPUVLO Undervoltage Lockout for VPP Pin (Note 2) l 12.05 12.45 12.85 V
I2C Timing Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSCL Serial Clock Frequency l 100 kHz tLOW Serial Clock Low Period l 4.7 μs tHIGH Serial Clock High Period l 4.0 μs tBUF Bus Free Time Between Stop and Start l 4.7 μs tHD,STA Start Condition Hold Time l 4.0 μs tSU,STA Start Condition Setup Time l 4.7 μs tSU,STO Stop Condition Setup Time l 4.0 μs tHD,DATXMIT Data Hold Time Transmitting LT3582 Sending Data to Host l 300 ns tHD,DATRCV Data Hold Time Receiving LT3582 Receiving Data from Host l 0 ns tSU,DAT Data Setup Time l 250 ns tF SDA Fall Time 400pF Load, VIN ≥ 2.5V l 250 ns 3582512fb 4