ACT5880
Rev 2, 03-Sep-13
TYPICAL PERFORMANCE CHARACTERISTICS
(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)
The waveform captures and the plots:
1. The Reference Voltage Line Regulation.
3. The Oscillator Frequency Line Voltage Pulling.
5. The REG1 Soft-Start from Last I2C Bit, Full Load.
7. The REG1 Step Transition Response, Full Load.
9. The REG2 Efficiency Plot.
2. The Reference Voltage Temperature Coefficient.
4. The Oscillator Frequency Temperature Pulling.
6. The REG1 Soft-Start from PWRHLD Set 1, No Load.
8. The REG1 Efficiency Plot.
10. The REG1 Load Transition Response.
11. The REG2 Load Transition Response.
13. The REG3 Start up Waveform, Full Load.
15. The REG3 Efficiency Plot.
12. The REG2 Buck mode to the Linear Mode Transition.
14. The REG3 Step Transition Response, Full Load.
16. The REG3 Load Transition Response.
17. The REG3 External PWM to Current Output.
19. The REG4 Start up Waveform, Full Load;
21. The REG4 Load Transition Response.
23. The Charge Current vs. VVBAT, VCHGIN=6V.
25. The Charger Load Transition Response , LDO Mode.
27. The DC Sweep Histogram DNL
18. The REG4 Start up Waveform, No Load.
20. The REG4 voltage step transition response.
22. The Charge Current vs. VVBAT, VCHGIN=5V.
24. The Charge Current vs. Ambient Temperature, 6V input.
26. The Backup Battery Charge Current vs. VVSYS
28. The DC input Effective Numbers of Bits.
2. The Reference Voltage Temperature Coefficient
1. The Reference Voltage Line Regulation
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
2.5
3
3.5
4
4.5
5
5.5
-40 -20
0
20 40 60 80 100 120 140
Temperature (°C)
VSYS (V)
4. The Oscillator Frequency Temperature Pulling
3. The Oscillator Frequency Line Voltage Pulling
2.08
2.10
2.06
2.04
2.02
2.00
1.98
1.96
2.05
2.00
1.95
1.90
-40 -20
0
20
40
60
80 100 120
2.5
3
3.5
4
4.5
5
5.5
VSYS (V)
Temperature (°C)
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