AT73C224-B_14 Datasheet, PDF (64/75 Pages) ATMEL Corporation – Ultra-low Power Real-time Clock (RTC) and Backup Battery Management

7.6.2 BUCK2: Load Regulation of VO2
Figure 7-4. Load Regulation
0.93
0.92
0.91
0.9
0.89
0.88
0.87
0.86
0.85
0
Load Regulation: VO2 = 0.9V (PWM mode)
VDD2 = 2.8V
VDD2 = 3.6V
VDD2 = 4.2V
VDD2 = 5V
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
I load (A)
1.84
1.82
1.8
1.78
1.76
1.74
1.72
0
Load Regulation: VO2 = 1.8V (PWM Mode)
VDD2 = 2.8V
VDD2 = 3.6V
VDD2 = 4.2V
VDD2 = 5.5V
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
I load (A)
1.23
1.22
1.21
1.2
1.19
1.18
1.17
1.16
1.15
0
Load Regulation: VO2 = 1.2V (PWM mode)
VDD2 = 2.8V
VDD2 = 3.6V
VDD2 = 4.2V
VDD2 = 5.5V
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
I load (A)
3.3
3.29
3.28
3.27
3.26
3.25
3.24
3.23
3.22
0
Load Regulation: VO2 = 3.3V (PWM mode)
VDD2 = 4.2V
VDD2 = 5.5V
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
I load (A)
64 AT73C224
6266A–PMAAC–08-Sep-08