MAX8649 Maxim Integrated Products, MAX8649 Datasheet - Page 21

• Manufacturer Part Number: MAX8649
• Description: 1.8A Step-Down Regulator
• Manufacturer: Maxim Integrated Products

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Table 2. I
Table 3. I
This register contains output voltage and operation mode control for MODE0, VID0 = GND, VID1 = GND.
Address
Reset Value
Type
Special Features
POINTER
B7 (MSB)
B0 (LSB)
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x08
0x09
BIT
B6
B5
B4
B3
B2
B1
1.8A Step-Down Regulator with Differential
2
2
C Register Map
C Register: MODE0
REGISTER
CONTROL
CHIP_ID1
CHIP_ID2
MODE0
MODE1
MODE2
MODE3
OPERATION_MODE0
SYNC
RAMP
OUT_ MODE0 [5:0]
______________________________________________________________________________________
SYNC_MODE0
REGISTER NAME
NAME
0x0D
POR
0xB4
0x1E
0xB0
0x9E
0xE0
0x00
0x01
0x20
Remote Sense in 2mm x 2mm WLP
DC-DC Step-Down Converter Operation Mode for MODE0
0 = D C - D C conver ter autom ati cal l y chang es b etw een hyster eti c m od e for
1 = DC-DC converter operates in forced-PWM mode.
Disable/Enable Synchronization to External Clock
0 = DC-DC converter ignores the external SYNC input regardless of
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.
Output Voltage Selection for MODE0
000000 = 0.75V
000001 = 0.76V
110011 = 1.26V
110100 = 1.27V
110101 = 1.28V
111110 = 1.37V
111111 = 1.38V
EN_PD
MODE
MODE
MODE
MODE
OPER
OPER
OPER
OPER
BIT7
operation mode.
l i ght load condi ti ons and PWM mod e for m ed ium to heavy l oad cond i tions.
SYNC[1:0]
RAMP[2:0]
VID0_PD
MODE
MODE
MODE
MODE
SYNC
SYNC
SYNC
SYNC
BIT6
DIE TYPE[7:4]
DASH[3:0]
VID1_PD
BIT5
—
DESCRIPTION
FORC E _H Y S FORC E _OS C
BIT4
—
—
Reset upon V
OUT MODE0[5:0]
OUT MODE1[5:0]
OUT MODE2[5:0]
OUT MODE3[5:0]
BIT3
Read/write
MODE0
—
—
0xB4h
0x00h
DD
or IN1 UVLO
BIT2
MASK REV[3:0]
DIE TYPE[3:0]
—
—
—
RAM P _D OWN
BIT1
—
—
DEFAULT
VALUE
110100
1
0
BIT0
—
—
—
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