WM8311GEB/V Wolfson Microelectronics, WM8311GEB/V Datasheet - Page 254

• Manufacturer Part Number: WM8311GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 121BGA
• Manufacturer: Wolfson Microelectronics

Specifications of WM8311GEB/V

• Supply Voltage: 5.5V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 7
• Digital Ic Case Style: BGA
• No. Of Pins: 121
• No. Of Regulated Outputs: 9
• Operating Temperature Range: -40°C To
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

WM8311
REGISTER
Register 4074h LDO5 Control
REGISTER
R16501
(4075h)
LDO5 ON
Control
Register 4075h LDO5 ON Control
w
ADDRESS
ADDRESS
15:13
BIT
BIT
4:0
7
6
0
8
LDO5_ON_MO
LDO5_LP_MO
LDO5_ON_VS
LDO5_ON_SL
LDO5_SWI
LDO5_FLT
LABEL
LABEL
OT[2:0]
EL[4:0]
DE
DE
DEFAULT
DEFAULT
0_0000
000
0
0
0
0
LDO5 Output float
0 = LDO5 output discharged when disabled
1 = LDO5 output floating when disabled
LDO5 Switch Mode
0 = LDO mode
1 = Switch mode
LDO5 Low Power Mode Select
0 = 50mA (reduced quiescent current)
1 = 20mA (minimum quiescent current)
Selects which Low Power mode is used in ON, SLEEP,
or under HWC modes.
LDO5 ON Slot select
000 = Do not enable
001 = Enable in Timeslot 1
010 = Enable in Timeslot 2
011 = Enable in Timeslot 3
100 = Enable in Timeslot 4
101 = Enable in Timeslot 5
110 = Controlled by Hardware Enable 1
111 = Controlled by Hardware Enable 2
LDO5 ON Operating Mode
0 = Normal mode
1 = Low Power mode
LDO5 ON Voltage select
0.9V to 1.6V in 50mV steps
1.7V to 3.3V in 100mV steps
00h = 0.90V
01h = 0.95V
…
0Eh = 1.60V
0Fh = 1.70V
…
1Eh = 3.20V
1Fh = 3.30V
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
Pre-Production
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