DA9232

High Efficiency, Ultra-Low Quiescent Current and Ultra-

Low Output Ripple Buck Regulator

Datasheet

Revision 2.3

23-Apr-2018

CFR0011-120-00 Rev 5

4 of 50

© 2019 Dialog Semiconductor

Figure 10: Buck VOUT = 0.9V............................................................................................................. 18

Figure 11: Buck VOUT = 0.7 V............................................................................................................ 18

Figure 122: Buck VOUT = 1.8 V.......................................................................................................... 19

Figure 133: Buck VOUT = 1.2 V.......................................................................................................... 19

Figure 144: Buck VOUT = 0.9 V.......................................................................................................... 19

Figure 15: Buck VOUT = 0.7 V............................................................................................................ 19

Figure 166: Buck VOUT = 1.8 V.......................................................................................................... 20

Figure 17: Buck VOUT = 1.2 V............................................................................................................ 20

Figure 180: Buck VOUT = 1.8 V.......................................................................................................... 21

Figure 191: Buck VOUT = 1.2 V.......................................................................................................... 21

Figure 204: Buck VIN = 3.6 V, Buck VOUT = 1.8 V, Buck ILOAD = 1 mA.......................................... 22

Figure 215: Buck VIN = 3.6 V, Buck VOUT = 1.8 V, Buck ILOAD = 60 mA........................................ 22

Figure 226: Buck VIN = 3.6 V, Buck VOUT = 0.7 V, Buck ILOAD = 1 mA.......................................... 22

Figure 237: Buck VIN = 3.6 V, Buck VOUT = 0.7 V, Buck ILOAD = 60 mA........................................ 22

Figure 248: Buck ILOAD = 0.5 mA to 60 mA to 0.5 mA (0.1A/µs); Buck VIN = 3.6 V, Buck

VOUT = 1.8 V ...................................................................................................................................... 23

Figure 250: Buck VOUT 0.6 V to 1.2 V; Buck VIN = 3.6 V, Buck ILOAD = 60 mA ............................. 24

Figure 261: Buck VOUT 1.2 V to 0.6 V; Buck VIN = 3.6 V, Buck ILOAD = 60 mA ............................. 24

Figure 272: Buck VOUT 1.3 V to 1.9 V; Buck VIN = 3.6 V, Buck ILOAD = 60 mA ............................. 24

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 ............................................................................................. 26

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

Table 13: Event/Status/Mask and User Registers .............................................................................. 34

Table 14: System Reset Registers ...................................................................................................... 35

Table 15: Register EVENT .................................................................................................................. 35

Table 16: Register STATUS ................................................................................................................ 36

Table 17: Register MASK .................................................................................................................... 37

Table 18: Register GPO ...................................................................................................................... 38

Table 19: Register BUCK .................................................................................................................... 39

Table 20: Register BUCK_CFG .......................................................................................................... 41

Table 21: Register FAUL_CTL ............................................................................................................ 42

Table 22: Register PIN_MONITOR ..................................................................................................... 43

Table 23: Register SYS_RST_EVENT................................................................................................ 43

Table 24: Register SYS_SRST ........................................................................................................... 44

Table 25: Register SYS_DEVICE_ID ................................................................................................. 44

Table 26: Register SYS_VARIANT_ID............................................................................................... 45

Table 27: Register SYS_CONFIG_ID ................................................................................................ 45