DA9230

Ultra-Low Quiescent Current Buck

Datasheet

Revision 3.0

27-Feb-2020

CFR0011-120-00

4 of 47

© 2020 Dialog Semiconductor

Figure 18: Buck VOUT = 1.3 V .............................................................................................................. 20

Figure 19: Buck VOUT = 0.9 V .............................................................................................................. 20

Figure 20: Buck VOUT = 0.6 V .............................................................................................................. 20

Figure 21: Buck VOUT = 1.9 V .............................................................................................................. 21

Figure 22: Buck VOUT = 1.2 V .............................................................................................................. 21

Figure 23: Buck VOUT = 0.9 V .............................................................................................................. 21

Figure 24: Buck VOUT = 0.6 V .............................................................................................................. 21

Figure 25: Buck VIN = 3.6 V, Buck VOUT = 1.8 V, Buck ILOAD = 1 mA ................................................... 22

Figure 26: Buck VIN = 3.6 V, Buck VOUT = 1.8 V, Buck ILOAD = 10 mA ................................................. 22

Figure 27: Buck VIN = 3.6 V, Buck VOUT = 1.8 V, Buck ILOAD = 100 mA ........................................... 22

Figure 28: Buck VIN = 3.6 V, Buck VOUT = 1.8 V, Buck ILOAD = 300 mA ............................................... 22

Figure 29: Buck ILOAD = 10 mA to 300 mA to 10 mA (0.3 A/µs); Buck VIN = 3.6 V, Buck VOUT = 1.8 V 23

Figure 30: Buck ILOAD = 100 mA to 300 mA to 100 mA (0.2 A/µs); Buck VIN = 3.6 V, Buck VOUT = 1.8 V

............................................................................................................................................................. 23

Figure 31: Buck ILOAD = 10 mA to 300 mA to 10 mA (0.3 A/µs); Buck VIN = 3.6 V, Buck VOUT = 1.2 V 23

Figure 32: Buck ILOAD = 100 mA to 300 mA to 100 mA (0.2 A/ µs); Buck VIN = 3.6 V, Buck

VOUT = 1.2 V......................................................................................................................................... 23

Figure 33: Buck ILOAD = 10 mA to 300 mA to 10 mA (0.3 A/µs); Buck VIN = 3.6 V, Buck VOUT = 0.9 V 23

Figure 34: Buck ILOAD = 100 mA to 300 mA to 100 mA (0.2 A/µs); Buck VIN = 3.6 V, Buck VOUT = 0.9 V

............................................................................................................................................................. 23

Figure 35: Buck ILOAD = 10 mA to 300 mA to 10 mA (0.3 A/µs); Buck VIN = 3.6 V, Buck VOUT = 0.6 V 24

Figure 36: Buck ILOAD = 100 mA to 300 mA to 100mA (0.2 A/µs); Buck VIN = 3.6 V, Buck VOUT = 0.6 V

............................................................................................................................................................. 24

Figure 37: Buck VOUT 0.6 V to 1.2 V; Buck VIN = 3.6 V, Buck ILOAD = 300 mA..................................... 25

Figure 38: Buck VOUT 1.2 V to 0.6 V; Buck VIN = 3.6 V, Buck ILOAD = 300 mA..................................... 25

Figure 39: Buck VOUT 1.3 V to 1.9 V; Buck VIN = 3.6 V, Buck ILOAD = 300 mA..................................... 25

Figure 40: Buck VOUT 1.9 V to 1.3 V; Buck VIN = 3.6 V, Buck ILOAD = 300 mA..................................... 25

Figure 41: Device Enable: Buck VIN = 3.6 V, Buck VOUT 1.8 V, Buck ILOAD = 300 mA......................... 26

Figure 42: VOUT ramp-up after Enabled (Zoom-in of Figure 41) .......................................................... 26

Figure 43: I2C Serial Interface Pins ..................................................................................................... 31

Figure 44: I2C Start and Stop Conditions ............................................................................................ 31

Figure 45: Package Outline Drawing................................................................................................... 44

Tables

Table 1: Pin Description ........................................................................................................................ 8

Table 2: Pin Type Definition .................................................................................................................. 9

Table 3: Absolute Maximum Ratings................................................................................................... 10

Table 4: Recommended Operating Conditions ................................................................................... 11

Table 5: Input Current.......................................................................................................................... 13

Table 6: Buck Output........................................................................................................................... 13

Table 7: GPO - Electrical performance ............................................................................................... 14

Table 8: Analog Core - Electrical performance ................................................................................... 14

Table 9: I2C interface .......................................................................................................................... 15

Table 10: Thermal Characteristics ...................................................................................................... 16

Table 11: Buck Output Voltage Settings ............................................................................................. 27

Table 12: GPO as Power Good Indicator ............................................................................................ 32

Table 13: Event/Status/Mask and User Registers .............................................................................. 33

Table 14: System Reset Registers ...................................................................................................... 34

Table 15: Register EVENT .................................................................................................................. 34

Table 16: Register STATUS ................................................................................................................ 35

Table 17: Register MASK .................................................................................................................... 36

Table 18: Register GPO ...................................................................................................................... 36

Table 19: Register BUCK .................................................................................................................... 37