SNVS422D August 2006 – September 2015 LM2831
PRODUCTION DATA.
MIN | MAX | UNIT | ||
---|---|---|---|---|
VIN | –0.5 | 7 | V | |
FB Voltage | –0.5 | 3 | V | |
EN Voltage | –0.5 | 7 | V | |
SW Voltage | –0.5 | 7 | V | |
Junction Temperature(3) | 150 | °C | ||
Soldering Information | Infrared or Convection Reflow (15 sec) | 220 | °C | |
Storage Temperature, Tstg | –65 | 150 | °C |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±2000 | V |
MIN | NOM | MAX | UNIT | ||
---|---|---|---|---|---|
VIN | 3 | 5.5 | V | ||
Junction Temperature | –40 | 125 | °C |
THERMAL METRIC(1) | LM2831 | UNIT | ||
---|---|---|---|---|
SOT-23 (DBV | WSON (NGG) | |||
5 PINS | 6 PINS | |||
RθJA | Junction-to-ambient thermal resistance(2) | 163.4 | 54.9 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance(2) | 114.4 | 50.8 | °C/W |
RθJB | Junction-to-board thermal resistance | 26.8 | 29.2 | °C/W |
ψJT | Junction-to-top characterization parameter | 12.4 | 0.6 | °C/W |
ψJB | Junction-to-board characterization parameter | 26.2 | 29.3 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | 9.2 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
VFB | Feedback Voltage | WSON and SOT-23 Package | TJ = 25°C | 0.600 | V | ||
–40°C to 125°C | 0.588 | 0.612 | |||||
ΔVFB/VIN | Feedback Voltage Line Regulation | VIN = 3 V to 5 V | 0.02 | %/V | |||
IB | Feedback Input Bias Current | TJ = 25°C | 0.1 | nA | |||
–40°C to 125°C | 100 | ||||||
UVLO | Undervoltage Lockout | VIN Rising | TJ = 25°C | 2.73 | V | ||
–40°C to 125°C | 2.90 | ||||||
VIN Falling | TJ = 25°C | 2.3 | V | ||||
–40°C to 125°C | 1.85 | ||||||
UVLO Hysteresis | 0.43 | V | |||||
FSW | Switching Frequency | LM2831-X | TJ = 25°C | 1.6 | MHz | ||
–40°C to 125°C | 1.2 | 1.95 | |||||
LM2831-Y | TJ = 25°C | 0.55 | |||||
–40°C to 125°C | 0.4 | 0.7 | |||||
LM2831-Z | TJ = 25°C | 3 | |||||
–40°C to 125°C | 2.25 | 3.75 | |||||
DMAX | Maximum Duty Cycle | LM2831-X | TJ = 25°C | 94% | |||
–40°C to 125°C | 86% | ||||||
LM2831-Y | TJ = 25°C | 96% | |||||
–40°C to 125°C | 90% | ||||||
LM2831-Z | TJ = 25°C | 90% | |||||
–40°C to 125°C | 82% | ||||||
DMIN | Minimum Duty Cycle | LM2831-X | 5% | ||||
LM2831-Y | 2% | ||||||
LM2831-Z | 7% | ||||||
RDS(ON) | Switch On Resistance | WSON Package | 150 | mΩ | |||
SOT-23 Package | TJ = 25°C | 130 | |||||
–40°C to 125°C | 195 | ||||||
ICL | Switch Current Limit | VIN = 3.3 V | TJ = 25°C | 2.5 | A | ||
–40°C to 125°C | 1.8 | ||||||
VEN_TH | Shutdown Threshold Voltage | –40°C to 125°C | 0.4 | V | |||
Enable Threshold Voltage | –40°C to 125°C | 1.8 | |||||
ISW | Switch Leakage | 100 | nA | ||||
IEN | Enable Pin Current | Sink/Source | 100 | nA | |||
IQ | Quiescent Current (switching) | LM2831X VFB = 0.55 | TJ = 25°C | 3.3 | mA | ||
–40°C to 125°C | 5 | ||||||
LM2831Y VFB = 0.55 | TJ = 25°C | 2.8 | |||||
–40°C to 125°C | 4.5 | ||||||
LM2831Z VFB = 0.55 | TJ = 25°C | 4.3 | |||||
–40°C to 125°C | 6.5 | ||||||
Quiescent Current (shutdown) | All Options VEN = 0 V | 30 | nA | ||||
TSD | Thermal Shutdown Temperature | 165 | °C |
VIN = 3.3 | VO = 1.8 V |
VIN = 5 V | VO = 1.8 V (All Options) |
VIN = 5 V | VO = 1.2 V at 1 A |
VIN = 3.3 V | VO = 1.8 V (All Options) |
VIN = 5 V | VO = 3.3 V (All Options) |
VIN = 3.3 V |
VO = 1.8 V | IO = 500 mA |
VIN = 5 V | VO = 1.2 V at 1 A |