SNVS336F June 2006 – August 2015 LP38856
PRODUCTION DATA.
MIN | MAX | UNIT | ||
---|---|---|---|---|
Power dissipation(3) | Internally limited | |||
VIN | Supply voltage (survival) | –0.3 | 6 | V |
VBIAS | Supply voltage (survival) | –0.3 | 6 | V |
VEN | Voltage (survival) | –0.3 | 6 | V |
VOUT | Voltage (survival) | –0.3 | 6 | V |
IOUT | Current (survival) | Internally Limited | ||
TJ | Junction temperature | –40 | 150 | °C |
Tstg | Storage temperature | –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 | Supply voltage | (VOUT + VDO) | VBIAS | ||
VBIAS | Supply voltage | 3 | 5.5 | V | |
VEN | Enable input voltage | 0.0 | VBIAS | ||
IOUT | Output current | 0 | 3 | mA/A | |
Junction temperature range(2) | –40 | 125 | °C |
THERMAL METRIC(1) | LP38856 | UNIT | ||
---|---|---|---|---|
KTT (DDPAK/TO-263) | NDH (TO-220) | |||
5 PINS | ||||
RθJA | Junction-to-ambient thermal resistance | 41.8 | 32.0 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 45.0 | 43.8 | °C/W |
RθJB | Junction-to-board thermal resistance | 24.8 | 18.6 | °C/W |
ψJT | Junction-to-top characterization parameter | 13.1 | 8.8 | °C/W |
ψJB | Junction-to-board characterization parameter | 23.8 | 18.0 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 2.4 | 1.2 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
VOUT | Output Voltage Tolerance | VOUT(NOM) + 1 V ≤ VIN ≤ VBIAS
3 V ≤ VBIAS ≤ 5.5 V, 10 mA ≤ IOUT ≤ 3 A |
–1% | 0% | +1% | |
VOUT(NOM) + 1 V ≤ VIN ≤ VBIAS
3 V ≤ VBIAS ≤ 5.5 V, 10 mA ≤ IOUT ≤ 3 A TJ = –40°C to 125°C |
–3% | 3% | ||||
VOUT(NOM) + 1V ≤ VIN ≤ VBIAS
3 V ≤ VBIAS ≤ 5.5 V, 10 mA ≤ IOUT ≤ 3.0A 0°C ≤ TJ ≤ 125°C |
–2% | 0% | 2% | |||
ΔVOUT/ΔVIN | Line regulation, VIN(1) | VOUT(NOM) + 1 V ≤ VIN ≤ VBIAS | 0.04 | %/V | ||
ΔVOUT/ΔVBIAS | Line regulation, VBIAS(1) | 3 V ≤ VBIAS ≤ 5.5 V | 0.10 | %/V | ||
ΔVOUT/ΔIOUT | Output voltage load regulation(2) | 10 mA ≤ IOUT ≤ 3 A | 0.2 | %/A | ||
VDO | Dropout voltage, VIN − VOUT(3) | IOUT = 3 A | 240 | 300 | mV | |
IOUT = 3 A, TJ = –40°C to 125°C | 450 | |||||
IGND(IN) | Ground pin current drawn from VIN supply | LP38856-0.8: 10 mA ≤ IOUT ≤ 3 A | 7 | 8.5 | mA | |
LP38856-0.8: 10 mA ≤ IOUT ≤ 3 A TJ = –40°C to 125°C |
9 | |||||
LP38856-1.2: 10 mA ≤ IOUT ≤ 3 A | 11 | 12 | ||||
LP38856-1.2: 10 mA ≤ IOUT ≤ 3 A TJ = –40°C to 125°C |
15 | |||||
VEN ≤ 0.5 V | 1 | 10 | µA | |||
VEN ≤ 0.5 V, TJ = –40°C to 125°C | 300 | |||||
IGND(BIAS) | Ground pin current drawn from VBIAS supply | 10 mA ≤ IOUT ≤ 3 A | 3 | 3.8 | mA | |
10 mA ≤ IOUT ≤ 3 A TJ = –40°C to 125°C |
4.5 | |||||
VEN ≤ 0.5 V | 100 | 170 | µA | |||
VEN ≤ 0.5 V, TJ = –40°C to 125°C | 200 | |||||
UVLO | Undervoltage lock-out threshold | VBIAS rising until device is functional | 2.20 | 2.45 | 2.70 | V |
VBIAS rising until device is functional TJ = –40°C to 125°C |
2 | 2.9 | ||||
UVLO(HYS) | Undervoltage lock-out hysteresis | VBIAS falling from UVLO threshold until device is non-functional | 60 | 150 | 300 | mV |
50 | 350 | |||||
ISC | Output short-circuit current | VIN = VOUT(NOM) + 1 V, VBIAS = 3 V VOUT = 0 V |
6.2 | A | ||
ENABLE PIN | ||||||
IEN | ENABLE pin current | VEN = VBIAS | 0.01 | µA | ||
VEN = 0 V, VBIAS = 5.5 V | –19 | –30 | –40 | |||
VEN = 0 V, VBIAS = 5.5 V TJ = –40°C to 125°C |
–13 | –51 | ||||
VEN(ON) | Enable voltage threshold | VEN rising until Output = ON | 1 | 1.25 | 1.50 | V |
VEN rising until Output = ON TJ = –40°C to 125°C |
0.9 | 1.55 | ||||
VEN(HYS) | Enable voltage hysteresis | VEN falling from VEN(ON) until Output = OFF | 50 | 100 | 150 | mV |
VEN falling from VEN(ON) until Output = OFF TJ = –40°C to 125°C |
30 | 200 | ||||
tOFF | Turn-OFF delay time | RLOAD × COUT << tOFF | 20 | µs | ||
tON | Turn-ON delay time | RLOAD × COUT << tON | 15 | |||
AC PARAMETERS | ||||||
PSRR (VIN) | Ripple rejection for VIN input voltage | VIN = VOUT +1 V, ƒ = 120 Hz | 80 | dB | ||
VIN = VOUT + 1V, ƒ = 1 kHz | 65 | |||||
PSRR (VBIAS) | Ripple rejection for VBIAS voltage | VBIAS = VOUT + 3 V, ƒ = 120 Hz | 58 | dB | ||
VBIAS = VOUT + 3 V, ƒ = 1 kHz | 58 | |||||
en | Output noise density | ƒ = 120 Hz | 1 | µV/√Hz | ||
Output noise voltage | BW = 10 Hz − 100 kHz | 150 | µV(RMS) | |||
BW = 300 Hz − 300 kHz | 90 | |||||
THERMAL PARAMETERS | ||||||
TSD | Thermal shutdown junction temperature | 160 | °C | |||
TSD(HYS) | Thermal shutdown hysteresis | 10 |
COUT = 100-μF Ceramic |
COUT = 100-μF Tantalum |
COUT = 100-μF Ceramic |
COUT = 100-μF Tantalum |