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参数资料
型号： P95020ZLLGI8
厂商： INTEGRATED DEVICE TECHNOLOGY INC
元件分类： 电源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA124
封装： LLGA-124
文件页数： 32/137页
文件大小： 3533K
代理商： P95020ZLLGI8
P95020 / Preliminary Datasheet
Revision 0.7.10
127
2010 Integrated Device Technology, Inc.
16.4 LDO - LDO_LP - ELECTRICAL CHARACTERISTICS
Unless otherwise specified, typical values at TA =25C, VIN=VSYS = 3.8V, TJ = 0°C to +85°C, COUT=CIN=1F
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
VSYS
SYS Input Voltage Requirements
3
5.5
V
VOUT
Output Voltage
TA=25C, Over Line And Load
3.15
3.3
3.45
V
VDROPOUT
Dropout voltage (VIN-VOUT)
IOUT = 10 mA, Note 2.
150
TBD
mV
IOUT
Output Current
10
mA
Notes:
2.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its
nominal value measured at 1V differential. Not applicable to output voltages less than 3V.
16.5 LDO - LIST OF ALL LDOS
LDO Name
Source
VOUT
Comments
For Module
LDO_150
LDO_IN1
0.75V
–
3.7V
150 mA max. LDO
External Usage
LDO_050
LDO_IN2
0.75V
–
3.7V
50 mA max. LDO
External Usage
LDO_LP
VDD_CKGEN33
VDD_CKGEN18
VSYS
3.3 / 3.0
3.3
1.8
Always on LDO, selectable 3.3V or 3.0V output voltage
Turn On/Off depending on PSTAT_ON register (Cyrus
“ON” flag)
Turn On/Off depending on PSTAT_ON register (Cyrus
“ON” flag)
CKGEN
VDD_AUDIO33
VDD_AUDIO18
LDO_IN3
3.3
1.8
Can be turned on/off via enable bits in LDO_AUDIO18 and
LDO_AUDIO33 registers
AUDIO &
CLASS_D_DIG
VDD_EMBUP18
VSYS
1.8
Turn On/Off depending on whether there is an interrupt pending
EMBUP
16.6 LDO
– REGISTER SETTINGS
The LDO Module can be controlled and monitored by writing 8-bit control words to the various registers. The base
addresses are defined in Table 3 – Register Address Global Mapping on page 20.
16.6.1
LDO_150 AND LDO_050
– OPERATION REGISTERS
The Output Voltage Registers for the LDO_150 & LDO_050 LDOs contain the enable bit and setting bits for the output
voltage.
LDO_150_0 = IC Address = Page-0: 96(0x60), C Address = 0xA060
LDO_150_1 = IC Address = Page-0: 98(0x62), C Address = 0xA062
LDO_150_2 = IC Address = Page-0: 100(0x64), C Address = 0xA064
LDO_050_0 = IC Address = Page-0: 102(0x66), C Address = 0xA066
LDO_050_1 = IC Address = Page-0: 104(0x68), C Address = 0xA068
LDO_050_2 = IC Address = Page-0: 106(0x6A), C Address = 0xA06A
LDO_050_3 = IC Address = Page-0: 108(0x6C), C Address = 0xA06C
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[6:0]
VOUT
[]
RW
Output Voltage =
VOUT * 25 mV +
750 mV
Performance and accuracy are not guaranteed with bit combinations
above 1110110.
7
ENABLE
0b
RW
1 = Enable
0 = Disable
LDO local enable bit for the LDO_150 and LDO_050 LDOs
Reserved bit for LDO_050_0
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