Rainbow Electronics MAX8649 - Manual (Page 24)

MAX8649
1.8A Step-Down Regulator with Differential
Remote Sense in 2mm x 2mm WLP
24 ______________________________________________________________________________________
REGISTER NAME MODE3
Address 0x03h
Reset Value 0x9Eh
Type Read/write
Special Features Reset upon V
DD
or IN1 UVLO
BIT NAME DESCRIPTION
DEFAULT
VALUE
B7 (MSB) OPERATION_MODE3
DC-DC Step-Down Converter Operation Mode for MODE3
0 = D C - D C conver ter autom ati cal l y chang es b etw een hyster eti c m od e for
l i g ht l oad cond i ti ons and P WM m od e for m ed i um to heavy l oad cond i ti ons.
1 = DC-DC converter operates in forced-PWM mode.
1
B6 SYNC_MODE3
Disable/Enable Synchronization to External Clock
0 = DC-DC converter ignores the external SYNC input regardless of
operation mode.
1 = D C - D C conver ter synchr oni zes to exter nal S Y N C i np ut w hen avai l ab l e.
0
B5
B4
B3
B2
B1
B0 (LSB)
OUT_MODE3[5:0]
Output Voltage Selection for MODE3
000000 = 0.75V
000001 = 0.76V
011101 = 1.04V
011110 = 1.05V
011111 = 1.06V
111110 = 1.37V
111111 = 1.38V
011110
Table 6. I 2 C Register: MODE3
This register contains output voltage and operation mode control for MODE3, VID1 = V
DD
, VID0 = V
DD
.