ZHCS589D May 2005 – February 2015 LP3878-ADJ
PRODUCTION DATA.
| MIN | MAX | UNIT | |
|---|---|---|---|
| SHUTDOWN pin | 1 | kV | |
| Power dissipation(3) | Internally Limited | ||
| Input supply voltage (survival), VIN | −0.3 | 16 | V |
| ADJ pin | −0.3 | 6 | V |
| Output voltage (survival), VOUT(4) | −0.3 | 6 | V |
| IOUT (survival) | Short-Circuit Protected | ||
| Input – output voltage (survival), VIN – VOUT(5) | −0.3 | 16 | V |
| Storage temperature, Tstg | –65 | 150 | °C |
| VALUE | UNIT | |||
|---|---|---|---|---|
| V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) | ±2000 | V |
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| VIN | Supply input voltage | 2.5 | 16 | V |
| VSD | SHUTDOWN input voltage | VIN | V | |
| IOUT | Output current | 800 | mA | |
| TJ | Operating junction temperature | −40 | 125 | °C |
| THERMAL METRIC(1) | LP3878-ADJ | UNIT | ||
|---|---|---|---|---|
| DDA | NGT | |||
| 8 PINS | ||||
| RθJA | Junction-to-ambient thermal resistance | 42.5 | 38.1 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 54.0 | 27.9 | |
| RθJB | Junction-to-board thermal resistance | 26.5 | 15.2 | |
| ψJT | Junction-to-top characterization parameter | 8.0 | 0.2 | |
| ψJB | Junction-to-board characterization parameter | 26.4 | 15.3 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | 3.6 | 4.5 | |
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| VADJ | Adjust pin voltage | 0.99 | 1.00 | 1.01 | V | |
| 1 mA ≤ IOUT ≤ 800 mA, 3 V ≤ VIN ≤ 6 V | 0.98 | 1.00 | 1.02 | |||
| 1 mA ≤ IOUT ≤ 800 mA, 3 V ≤ VIN ≤ 6 V –40°C ≤ TJ ≤ 125°C |
0.97 | 1.03 | ||||
| ΔVOUT/ΔVIN | Output voltage line regulation | 3 V ≤ VIN ≤ 16 V | 0.007 | 0.014 | %/V | |
| 3 V ≤ VIN ≤ 16 V, –40°C ≤ TJ ≤ 125°C | 0.032 | |||||
| VIN(MIN) | Minimum input voltage required to maintain output regulation | IOUT = 800 mA, VOUT ≥ VOUT(NOM) – 1% | 2.5 | V | ||
| IOUT = 800 mA, VOUT ≥ VOUT(NOM) – 1% –40°C ≤ TJ ≤ 125°C |
3.1 | |||||
| IOUT = 800 mA, VOUT ≥ VOUT(NOM) – 1% 0 ≤ TJ ≤ 125°C |
2.5 | |||||
| IOUT = 800 mA, VOUT ≥ VOUT(NOM) – 1% 0 ≤ TJ ≤ 125°C, –40°C ≤ TJ ≤ 125°C |
2.8 | |||||
| IOUT = 750 mA, VOUT ≥ VOUT(NOM) – 1% | 2.5 | |||||
| IOUT = 750 mA, VOUT ≥ VOUT(NOM) – 1% –40°C ≤ TJ ≤ 125°C |
3.0 | |||||
| VDOUT | Dropout voltage(1)
VOUT = 3.8 V |
IOUT = 100 µA | 1 | 2 | mV | |
| IOUT = 100 µA, –40°C ≤ TJ ≤ 125°C | 3 | |||||
| IOUT = 200 mA | 150 | 200 | ||||
| IOUT = 200 mA, –40°C ≤ TJ ≤ 125°C | 300 | |||||
| IOUT = 800 mA | 475 | 600 | ||||
| IOUT = 800 mA, –40°C ≤ TJ ≤ 125°C | 1100 | |||||
| IGND | Ground pin current | IOUT = 100 µA | 180 | 200 | µA | |
| IOUT = 100 µA, –40°C ≤ TJ ≤ 125°C | 225 | |||||
| IOUT = 200 mA | 1.5 | 2 | mA | |||
| IOUT = 200 mA, –40°C ≤ TJ ≤ 125°C | 3.5 | |||||
| IOUT = 800 mA | 5.5 | 8.5 | ||||
| IOUT = 800 mA, –40°C ≤ TJ ≤ 125°C | 15 | |||||
| IOUT(PK) | Peak output current | VOUT ≥ VOUT(NOM) − 5% | 1200 | mA | ||
| IOUT(MAX) | Short-circuit current | RL = 0 Ω (steady state) | 1300 | |||
| en | Output noise voltage (RMS) | Bandwidth = 100 Hz to 100 kHz, CBYPASS = 10 nF | 18 | µV(RMS) | ||
| ΔVOUT/ΔVIN | Ripple rejection | f = 1 kHz | 60 | dB | ||
| IADJ | ADJ pin bias current (sourcing) | IOUT = 800 mA | 200 | nA | ||
| SHUTDOWN Input | ||||||
| VSD | SHUTDOWN input voltage | VH = Output ON | 1.4 | V | ||
| VH = Output ON, –40°C ≤ TJ ≤ 125°C | 1.6 | |||||
| VL = Output OFF, IIN ≤ 10 µA | 0.20 | |||||
| VL = Output OFF, IIN ≤ 10 µA –40°C ≤ TJ ≤ 125°C |
0.04 | |||||
| VOUT ≤ 10 mV, IIN ≤ 50 µA | 0.6 | |||||
| ISD | SHUTDOWN input current | VSD = 0 V | 0.02 | µA | ||
| VSD = 0 V, –40°C ≤ TJ ≤ 125°C | −1 | |||||
| VSD = 5 V | 5 | |||||
| VSD = 5 V, –40°C ≤ TJ ≤ 125°C | 15 | |||||
Figure 1. IGND vs Temperature
Figure 3. IGND vs ILoad
Figure 5. Minimum VIN vs VOUT
Figure 7. Minimum VIN vs VOUT
Figure 9. Ripple Rejection
Figure 11. Output Noise Spectral Density
Figure 13. Line Transient Response
Figure 15. Line Transient Response
Figure 17. Line Transient Response
Figure 19. Line Transient Response
Figure 21. Line Transient Response
Figure 23. Load Transient Response
Figure 25. Turnon Characteristics
Figure 2. Minimum VIN Over Temperature
Figure 4. VOUT vs Temperature
Figure 6. Minimum VIN vs VOUT
Figure 8. Ripple Rejection
Figure 10. Output Noise Spectral Density
Figure 12. Line Transient Response
Figure 14. Line Transient Response
Figure 16. Line Transient Response
Figure 18. Line Transient Response
Figure 20. Line Transient Response
Figure 22. Line Transient Response
Figure 24. Load Transient Response
Figure 26. Turnoff Characteristics