Datasheet LTC3130, LTC3130-1 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 25V, 600mA Buck-Boost DC/DC Converter with 1.6µA Quiescent Current |
| Pages / Page | 38 / 4 — ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply … |
| File Format / Size | PDF / 1.9 Mb |
| Document Language | English |
ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply over the specified operating
Model Line for this Datasheet
- LTC3130EMSE#PBF LTC3130EMSE#PBF LTC3130EMSE#TRPBF LTC3130EMSE#TRPBF LTC3130EMSE-1#PBF LTC3130EMSE-1#PBF LTC3130EMSE-1#TRPBF LTC3130EMSE-1#TRPBF LTC3130EUDC#PBF LTC3130EUDC#PBF LTC3130EUDC#TRPBF LTC3130EUDC#TRPBF LTC3130EUDC-1#PBF LTC3130EUDC-1#PBF LTC3130EUDC-1#TRPBF LTC3130EUDC-1#TRPBF LTC3130IMSE#PBF LTC3130IMSE#PBF LTC3130IMSE#TRPBF LTC3130IMSE#TRPBF LTC3130IMSE-1#PBF LTC3130IMSE-1#PBF LTC3130IMSE-1#TRPBF LTC3130IMSE-1#TRPBF LTC3130IUDC#PBF LTC3130IUDC#PBF LTC3130IUDC#TRPBF LTC3130IUDC#TRPBF LTC3130IUDC-1#PBF LTC3130IUDC-1#PBF LTC3130IUDC-1#TRPBF LTC3130IUDC-1#TRPBF
Text Version of Document
LTC3130/LTC3130-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). PVIN = VIN = 12V, VOUT = 5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Soft-Start Time For Average Inductor Current to Reach Limit 12 ms VCC Voltage (EXTVCC or VIN) > 4.7V, RUN > 0.85V 4 V VCC Voltage -– Shutdown RUN ≤ 0.2V 3.25 V VCC Dropout Voltage (VIN – VCC) VIN = 3.0V, Switching 50 100 mV VCC Current Limit VCC = 0V 17 34 mA VCC UVLO Threshold (Rising) l 2.20 2.3 2.40 V VCC UVLO Hysteresis 100 120 135 mV EXTVCC Enable Threshold l 2.85 3.0 3.15 V EXTVCC Enable Hysteresis 260 mV EXTVCC Input Operating Range l 3.15 25 V EXTVCC Quiescent Current – Burst Mode EXTVCC > 3.15V, FB >1.02V (LTC3130), MPPC > 1.05V 1.6 2.5 µA Operation (Sleeping) VOUT > VREG (LTC3130-1), MODE = 0V, RUN > 1.10V EXTVCC Quiescent Current – Shutdown EXTVCC = 5V, RUN < 0.2V 400 750 nA EXTVCC Current Limit VCC = 0V, EXTVCC = 15V 32 68 mA VIN Sleep Current When Powered by EXTVCC FB > 1.02V (LTC3130), VOUT > VREG (LTC3130-1), 600 nA EXTVCC > 3.15V, MODE = 0V, RUN >1.10V, VIN = 12V, MPPC > 1.05V VOUT UV Threshold Rising l 0.35 0.7 0.95 V VOUT UV Hysteresis 55 mV VOUT Quiescent Current – Shutdown (VOUT–1) (VOUT) µA 27 17 VOUT Quiescent Current – Burst Mode MODE = 0V, FB > 1.02V, MPPC > 1.05V (VOUT–1) (VOUT) µA Operation (Sleeping) 27 17 PGOOD Threshold, Rising Referenced to Programmed VOUT Voltage –7.0 –5.0 –3.0 % PGOOD Hysteresis Referenced to Programmed VOUT Voltage 2.5 % PGOOD Voltage Low ISINK = 1mA 165 250 mV PGOOD Leakage PGOOD = 25V 1 50 nA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
Specification is guaranteed by design and not 100% tested in may cause permanent damage to the device. Exposure to any Absolute production. Maximum Rating condition for extended periods may affect device
Note 4:
Current measurements are made when the output is not switching. reliability and lifetime.
Note 5:
This IC includes overtemperature protection that is intended
Note 2:
The LTC3130/LTC3130-1 is tested under pulsed load conditions to protect the device during momentary overload conditions. Junction such that TJ ≈ TA. The LTC3130E/LTC3130E-1 is guaranteed to meet temperature will exceed 165°C when overtemperature protection is active. specifications from 0°C to 85°C junction temperature. Specifications over Continuous operation above the specified maximum operating junction the –40°C to 125°C operating junction temperature range are assured by temperature may result in device degradation or failure. design, characterization and correlation with statistical process controls.
Note 6:
Failure to solder the exposed backside of the package to the PC The LTC3130I/LTC3130I-1 is guaranteed over the –40°C to 125°C board ground plane will result in a much higher thermal resistance. operating junction temperature range. The junction temperature (TJ) is calculated from the ambient temperature (T
Note 7:
Switching time measurements are made in an open-loop test A) and power dissipation (PD) according to the formula: configuration. Timing in the application may vary somewhat from these values due to differences in the switch pin voltage during non-overlap durations when switch TJ = TA + (PD • θJA°C/W), pin voltage is influenced by the magnitude and duration of the inductor current. where θJA is the package thermal impedance. Note that the maximum
Note 8:
Voltage transients on the switch pin(s) beyond the DC limits ambient temperature consistent with these specifications is determined by specified in the Absolute Maximum Ratings are non-disruptive to normal specific operating conditions in conjunction with board layout, the rated operation when using good layout practices as described elsewhere in the thermal package thermal resistance and other environmental factors. data sheet and application notes and as seen on the product demo board. 3130f 4 For more information www.linear.com/LTC3130 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Typical Performance Characteristics Pin Functions LTC3130 Block Diagram LTC3130-1 Block Diagram Operation Applications Information Package Description Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). PVIN = VIN = 12V, VOUT = 5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Soft-Start Time For Average Inductor Current to Reach Limit 12 ms VCC Voltage (EXTVCC or VIN) > 4.7V, RUN > 0.85V 4 V VCC Voltage -– Shutdown RUN ≤ 0.2V 3.25 V VCC Dropout Voltage (VIN – VCC) VIN = 3.0V, Switching 50 100 mV VCC Current Limit VCC = 0V 17 34 mA VCC UVLO Threshold (Rising) l 2.20 2.3 2.40 V VCC UVLO Hysteresis 100 120 135 mV EXTVCC Enable Threshold l 2.85 3.0 3.15 V EXTVCC Enable Hysteresis 260 mV EXTVCC Input Operating Range l 3.15 25 V EXTVCC Quiescent Current – Burst Mode EXTVCC > 3.15V, FB >1.02V (LTC3130), MPPC > 1.05V 1.6 2.5 µA Operation (Sleeping) VOUT > VREG (LTC3130-1), MODE = 0V, RUN > 1.10V EXTVCC Quiescent Current – Shutdown EXTVCC = 5V, RUN < 0.2V 400 750 nA EXTVCC Current Limit VCC = 0V, EXTVCC = 15V 32 68 mA VIN Sleep Current When Powered by EXTVCC FB > 1.02V (LTC3130), VOUT > VREG (LTC3130-1), 600 nA EXTVCC > 3.15V, MODE = 0V, RUN >1.10V, VIN = 12V, MPPC > 1.05V VOUT UV Threshold Rising l 0.35 0.7 0.95 V VOUT UV Hysteresis 55 mV VOUT Quiescent Current – Shutdown (VOUT–1) (VOUT) µA 27 17 VOUT Quiescent Current – Burst Mode MODE = 0V, FB > 1.02V, MPPC > 1.05V (VOUT–1) (VOUT) µA Operation (Sleeping) 27 17 PGOOD Threshold, Rising Referenced to Programmed VOUT Voltage –7.0 –5.0 –3.0 % PGOOD Hysteresis Referenced to Programmed VOUT Voltage 2.5 % PGOOD Voltage Low ISINK = 1mA 165 250 mV PGOOD Leakage PGOOD = 25V 1 50 nA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
Specification is guaranteed by design and not 100% tested in may cause permanent damage to the device. Exposure to any Absolute production. Maximum Rating condition for extended periods may affect device
Note 4:
Current measurements are made when the output is not switching. reliability and lifetime.
Note 5:
This IC includes overtemperature protection that is intended
Note 2:
The LTC3130/LTC3130-1 is tested under pulsed load conditions to protect the device during momentary overload conditions. Junction such that TJ ≈ TA. The LTC3130E/LTC3130E-1 is guaranteed to meet temperature will exceed 165°C when overtemperature protection is active. specifications from 0°C to 85°C junction temperature. Specifications over Continuous operation above the specified maximum operating junction the –40°C to 125°C operating junction temperature range are assured by temperature may result in device degradation or failure. design, characterization and correlation with statistical process controls.
Note 6:
Failure to solder the exposed backside of the package to the PC The LTC3130I/LTC3130I-1 is guaranteed over the –40°C to 125°C board ground plane will result in a much higher thermal resistance. operating junction temperature range. The junction temperature (TJ) is calculated from the ambient temperature (T
Note 7:
Switching time measurements are made in an open-loop test A) and power dissipation (PD) according to the formula: configuration. Timing in the application may vary somewhat from these values due to differences in the switch pin voltage during non-overlap durations when switch TJ = TA + (PD • θJA°C/W), pin voltage is influenced by the magnitude and duration of the inductor current. where θJA is the package thermal impedance. Note that the maximum
Note 8:
Voltage transients on the switch pin(s) beyond the DC limits ambient temperature consistent with these specifications is determined by specified in the Absolute Maximum Ratings are non-disruptive to normal specific operating conditions in conjunction with board layout, the rated operation when using good layout practices as described elsewhere in the thermal package thermal resistance and other environmental factors. data sheet and application notes and as seen on the product demo board. 3130f 4 For more information www.linear.com/LTC3130 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Typical Performance Characteristics Pin Functions LTC3130 Block Diagram LTC3130-1 Block Diagram Operation Applications Information Package Description Typical Application Related Parts
