SNVS099I May 1999 – October 2016 LM2991
PRODUCTION DATA.
MIN | MAX | UNIT | ||
---|---|---|---|---|
Input voltage | –26 | 0.3 | V | |
Power dissipation(3) | Internally limited | |||
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 | ||
---|---|---|---|---|---|
Junction temperature, TJ | –40 | 125 | °C | ||
ON/OFF pin | 0 | 5 | V | ||
Maximum input voltage (operational) | –26 | V |
THERMAL METRIC(1) | LM2991 | UNIT | |||
---|---|---|---|---|---|
TO-263 (KTT) | TO-220 (NDH)(2) | TO-220 (KC)(2) | |||
5 PINS | 5 PINS | 5 PINS | |||
RθJA(3) | Junction-to-ambient thermal resistance, High-K | 27.8 | 54.4 | 56.4 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 41.4 | 30.1 | 40.0 | °C/W |
RθJB | Junction-to-board thermal resistance | 10.9 | 33.2 | 38.6 | °C/W |
ψJT | Junction-to-top characterization parameter | 6.0 | 11.6 | 12.8 | °C/W |
ψJB | Junction-to-board characterization parameter | 10.6 | 36.2 | 35.3 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 0.7 | 0.5 | 0.6 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP(1) | MAX | UNIT |
---|---|---|---|---|---|
Reference voltage | 5 mA ≤ IOUT ≤ 1 A | –1.234 | –1.210 | –1.186 | V |
5 mA ≤ IOUT ≤ 1 A, VOUT – 1 V ≥ VIN > −26 V −40°C ≤ TJ ≤ 125°C |
–1.27 | –1.15 | V | ||
Output voltage (VOUT) | –2 | –3 | V | ||
VIN = −26 V | –24 | –25 | V | ||
Line regulation | IOUT = 5 mA, VOUT −1 V > VIN > −26 V | 0.004 | 0.04 | %/V | |
Load regulation | 50 mA ≤ IOUT ≤ 1 A | 0.04% | 0.4% | ||
Dropout voltage | IOUT = 0.1 A, ΔVOUT ≤ 100 mV | 0.1 | 0.2 | V | |
IOUT = 0.1 A, ΔVOUT ≤ 100 mV −40°C ≤ TJ ≤ 125°C |
0.3 | ||||
IOUT = 1 A, ΔVOUT ≤ 100 mV | 0.6 | 0.8 | V | ||
IOUT = 1 A, ΔVOUT ≤ 100 mV −40°C ≤ TJ ≤ 125°C |
1 | ||||
Quiescent current | IOUT ≤ 1 A | 0.7 | mA | ||
IOUT = 1 A, −40°C ≤ TJ ≤ 125°C | 5 | ||||
Dropout quiescent current | VIN = VOUT, IOUT ≤ 1 A | 16 | 50 | mA | |
Ripple rejection | Vripple = 1 VRMS, ƒripple = 1 kHz, IOUT = 5 mA |
50 | 60 | dB | |
Output noise | 10 Hz to 100 kHz, IOUT = 5 mA | 200 | 450 | µV | |
ON/OFF input voltage | VOUT: ON | 1.2 | V | ||
VOUT: ON −40°C ≤ TJ ≤ 125°C | 0.8 | ||||
VOUT: OFF | 1.3 | V | |||
VOUT: OFF, −40°C ≤ TJ ≤ 125°C | 2.4 | ||||
ON/OFF input current | VON/OFF = 0.8 V, VOUT: ON | 0.1 | 10 | µA | |
VON/OFF = 2.4 V, VOUT: OFF | 40 | 100 | |||
Output leakage current | VIN = −26 V, VON/OFF = 2.4 V, VOUT = 0 V | 60 | 250 | µA | |
Current limit | VOUT = 0 V | 1.5 | 2 | A |