7 Specifications
7.1 Absolute Maximum Ratings(1)
|
MIN |
MAX |
UNIT |
Input voltage |
|
18 |
V |
Output short-circuit |
|
30 |
mA |
Operating temperature |
–40 |
125 |
°C |
Junction temperature (TJ max) |
|
150 |
°C |
Storage temperature (Tstg) |
–65 |
150 |
°C |
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied.
7.2 ESD Ratings
|
VALUE |
UNIT |
REF5020A-Q1, REF5040A-Q1, AND REF5050A-Q1 |
V(ESD) |
Electrostatic discharge |
Human-body model (HBM), per AEC Q100-002(1) |
±500 |
V |
Charged-device model (CDM), per AEC Q100-011 |
±1000 |
Machine Model (MM) |
200 |
REF5030A-Q1 AND REF5045A-Q1 |
V(ESD) |
Electrostatic discharge |
Human-body model (HBM), per AEC Q100-002(1) |
±1000 |
V |
Charged-device model (CDM), per AEC Q100-011 |
±1000 |
Machine Model (MM) |
200 |
(1) AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.
7.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
|
MIN |
MAX |
UNIT |
VIN |
Supply input voltage |
VOUT + 0.2(1) |
18 |
V |
(1) For VOUT ≤ 2.5 V, the minimum supply voltage is 2.7 V.
7.4 Thermal Information
THERMAL METRIC(1) |
D (SOIC) |
UNIT |
8 PINS |
RθJA |
Junction-to-ambient thermal resistance |
107.1 |
°C/W |
RθJC(top) |
Junction-to-case (top) thermal resistance |
48.8 |
RθJB |
Junction-to-board thermal resistance |
48.3 |
ψJT |
Junction-to-top characterization parameter |
6.8 |
ψJB |
Junction-to-board characterization parameter |
47.6 |
(1) For more information about traditional and new thermal metrics, see the
IC Package Thermal Metrics application report,
SPRA953.
7.5 Electrical Characteristics: Per Device
TA = 25°C, ILOAD = 0, CL = 1 μF, VIN = (VOUT + 0.2 V) to 18 V (unless otherwise noted).
PARAMETER |
TEST CONDITIONS |
MIN |
TYP |
MAX |
UNIT |
REF5020 (VOUT = 2.048 V)(1) |
VOUT |
Output voltage |
2.7 V < VIN < 18 V |
|
2.048 |
|
V |
|
Initial accuracy, standard grade |
|
–0.1% |
|
0.1% |
|
|
Output voltage noise |
f = 0.1 Hz to 10 Hz |
|
6 |
|
μVPP |
REF5025 (VOUT = 2.5 V) |
VOUT |
Output voltage |
|
|
2.5 |
|
V |
|
Initial accuracy, standard grade |
|
–0.1% |
|
0.1% |
|
|
Output Voltage Noise |
f = 0.1 Hz to 10 Hz |
|
7.5 |
|
μVPP |
REF5030 (VOUT = 3 V) |
VOUT |
Output voltage |
|
|
3 |
|
V |
|
Initial accuracy, standard grade |
|
–0.1% |
|
0.1% |
|
|
Output voltage noise |
f = 0.1 Hz to 10 Hz |
|
9 |
|
μVPP |
REF5040 (VOUT = 4.096 V) |
VOUT |
Output voltage |
|
|
4.096 |
|
V |
|
Initial accuracy, standard grade |
|
–0.1% |
|
0.1% |
|
|
Output voltage noise |
f = 0.1 Hz to 10 Hz |
|
12 |
|
μVPP |
REF5045 (VOUT = 4.5 V) |
VOUT |
Output voltage |
|
|
4.5 |
|
V |
|
Initial accuracy, standard grade |
|
–0.1% |
|
0.1% |
|
|
Output voltage noise |
f = 0.1 Hz to 10 Hz |
|
13.5 |
|
μVPP |
REF5050 (VOUT = 5 V) |
VOUT |
Output voltage |
|
|
5 |
|
V |
|
Initial accuracy, standard grade |
|
–0.1% |
|
0.1% |
|
|
Output voltage noise |
f = 0.1 Hz to 10 Hz |
|
15 |
|
μVPP |
(1) For VOUT ≤ 2.5 V, the minimum supply voltage is 2.7 V.
7.6 Electrical Characteristics: All Devices
Boldface limits apply over the specified temperature range, TA = –40°C to 125°C.
TA = 25°C, ILOAD = 0, CL = 1 μF, VIN = (VOUT + 0.2 V) to 18 V (unless otherwise noted).
PARAMETER |
TEST CONDITIONS |
MIN |
TYP |
MAX |
UNIT |
dVOUT/dT |
Output voltage temperature drift, standard grade |
Over temperature |
|
3 |
8 |
ppm/°C |
dVOUT/dVIN |
Line regulation |
REF5020 only(1) |
VIN = 2.7 V to 18 V |
|
0.1 |
1 |
ppm/V |
All other devices |
VIN = VOUT + 0.2 V |
|
0.1 |
1 |
ppm/V |
All devices |
Over temperature |
|
0.2 |
1 |
ppm/V |
dVOUT/dILOAD |
Load regulation |
REF5020 only |
–10 mA < ILOAD < +10 mA, VIN = 3 V |
|
20 |
30 |
ppm/mA |
All other devices |
–10 mA < ILOAD < +10 mA, VIN = VOUT + 0.75 V |
|
20 |
30 |
ppm/mA |
All devices |
Over temperature, –10 mA < ILOAD < +10 mA |
|
|
50 |
ppm/mA |
ISC |
Short-circuit current |
VOUT = 0 V |
|
25 |
|
mA |
|
Thermal hysteresis, (2) standard grade |
Cycle 1 |
|
10 |
|
ppm |
Cycle 2 |
|
5 |
|
ppm |
|
Long-Term Stability |
0 to 1000 hours |
|
90 |
|
ppm/1000 hr |
1000 to 2000 hours |
|
10 |
|
ppm/1000 hr |
|
Voltage output, TEMP pin |
At TA = 25°C |
|
575 |
|
mV |
|
Temperature sensitivity , TEMP pin |
Over temperature |
|
2.64 |
|
mV/°C |
|
Turn-on settling time |
To 0.1% with CL = 1 μF |
|
200 |
|
μs |
VS |
Power supply voltage |
See Note (1) |
VOUT + 0.2(1) |
|
18 |
V |
|
Power supply, quiescent current |
|
|
0.8 |
1 |
mA |
Over temperature |
|
|
1.2 |
mA |
TEMPERATURE RANGE |
|
|
|
|
|
|
Specified range |
|
–40 |
|
125 |
°C |
|
Operating range |
|
–55 |
|
125 |
°C |
|
Thermal resistance |
|
|
150 |
|
°C/W |
(1) For VOUT ≤ 2.5 V, the minimal supply voltage is 2.7 V.
7.7 Typical Characteristics
TA = 25°C, ILOAD = 0, VS = VOUT + 0.2 V (unless otherwise noted). For VOUT ≤ 2.5 V, the minimum supply voltage is 2.7 V.
Figure 1. Temperature Drift (0°C to 85°C)
Figure 3. Output Voltage Initial Accuracy
Figure 5. Power-Supply Rejection Ratio vs Frequency
Figure 7. REF5025A-Q1 Output Voltage vs Load Current
Figure 9. Quiescent Current vs Temperature
Figure 11. Line Regulation vs Temperature
Figure 13. Noise
Figure 15. Startup (REF5025A-Q1, CL = 10 μF)
Figure 17. Load Transient (CL = 1 μF, IOUT = 10 mA)
Figure 19. Load Transient (CL = 10 μF, IOUT = 10 mA)
Figure 21. Line Transient (CL = 10 μF)
Figure 23. REF50xxA-Q1 Long-Term Stability (Second 1000 Hours)
Figure 2. Temperature Drift (–40°C to 125°C)
Figure 4. Output Voltage Accuracy vs Temperature
Figure 6. Dropout Voltage vs Load Current
Figure 8. TEMP Pin Output Voltage vs Temperature
Figure 10. Quiescent Current vs Input Voltage
Figure 12. Short-Circuit Current vs Temperature
Figure 14. Startup (REF5025A-Q1, CL = 1 μF)
Figure 16. Load Transient (CL = 1 μF, IOUT = 1 mA)
Figure 18. Load Transient (CL = 10 μF, IOUT = 1 mA)
Figure 20. Line Transient (CL = 1 μF)
Figure 22. REF50xxA-Q1 Long-Term Stability (First 1000 Hours)
Figure 24. REF50xxA-Q1 Long-Term Stability (2000 Hours)