參數(shù)資料
型號： LTC3880EUJ-1#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
封裝： 6 X 6 MM, LEAD FREE, PLASTIC, WJJD-2, QFN-40
文件頁數(shù)： 40/112頁
文件大?。?/td> 2182K
代理商： LTC3880EUJ-1#PBF
LTC3880/LTC3880-1
33
3880fa
PMBus COMMAND SUMMARY
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
PAGE
POWER_GOOD_OFF
0x5F Output voltage at or below which a power good
should be de-asserted.
R/W Word
Y
L16
V
Y
0.92
0x0EB8
TON_DELAY
0x60 Time from RUN and/or Operation on to output
rail turn-on.
R/W Word
Y
L11
ms
Y
0.0
0x8000
TON_RISE
0x61 Time from when the output starts to rise until the
output voltage reaches the VOUT commanded
value.
R/W Word
Y
L11
ms
Y
8.0
0xD200
TON_MAX_FAULT_LIMIT
0x62 Maximum time from VOUT_EN on for VOUT to
cross the VOUT_UV_FAULT_LIMIT.
R/W Word
Y
L11
ms
Y
10.00
0xD280
TON_MAX_FAULT_
RESPONSE
0x63 Action to be taken by the device when a
TON_MAX_FAULT event is detected.
R/W Byte
Y
Reg
Y
0xB8
TOFF_DELAY
0x64 Time from RUN and/or Operation off to the start
of TOFF_FALL ramp.
R/W Word
Y
L11
ms
Y
0.0
0x8000
TOFF_FALL
0x65 Time from when the output starts to fall until the
output reaches zero volts.
R/W Word
Y
L11
ms
Y
8.00
0xD200
TOFF_MAX_WARN_LIMIT 0x66 Maximum allowed time, after TOFF_FALL
completed, for the unit to decay below 12.5%.
R/W Word
Y
L11
ms
Y
150
0xF258
STATUS_BYTE
0x78 One byte summary of the unit’s fault condition.
R/W Byte
Y
Reg
NA
STATUS_WORD
0x79 Two byte summary of the unit’s fault condition.
R/W Word
Y
Reg
NA
STATUS_VOUT
0x7A Output voltage fault and warning status.
R/W Byte
Y
Reg
NA
STATUS_IOUT
0x7B Output current fault and warning status.
R/W Byte
Y
Reg
NA
STATUS_INPUT
0x7C Input supply fault and warning status.
R/W Byte
N
Reg
NA
STATUS_TEMPERATURE
0x7D External temperature fault and warning status for
READ_TEMERATURE_1.
R/W Byte
Y
Reg
NA
STATUS_CML
0x7E Communication and memory fault and warning
status.
R/W Byte
N
Reg
NA
STATUS_MFR_SPECIFIC
0x80 Manufacturer specific fault and state information. R/W Byte
Y
Reg
NA
READ_VIN
0x88 Measured input supply voltage.
R Word
N
L11
V
NA
READ_IIN
0x89 Measured input supply current.
R Word
N
L11
A
NA
READ_VOUT
0x8B Measured output voltage.
R Word
Y
L16
V
NA
READ_IOUT
0x8C Measured output current.
R Word
Y
L11
A
NA
READ_TEMPERATURE_1
0x8D External diode junction temperature. This is the
value used for all temperature related processing,
including IOUT_CAL_GAIN.
R Word
Y
L11
C
NA
READ_TEMPERATURE_2
0x8E Internal junction temperature. Does not affect
any other registers.
R Word
N
L11
C
NA
READ_DUTY_CYCLE
0x94 Duty cycle of the top gate control signal.
R Word
Y
L11
%
NA
READ_POUT
0x96 Measured output power.
R Word
Y
L11
W
NA
PMBUS_REVISION
0x98 PMBus revision supported by this device.
Current revision is 1.1.
R Byte
N
Reg
0x11
MFR_ID
0x99 The manufacturer ID of the LTC3880 in ASCII.
R String
N
ASC
LTC
MFR_MODEL
0x9A Manufacturer part number in ASCII.
R String
N
ASC
LTC3880
MFR_REVISION
0x9B Manufacturer part revision in ASCII.
R String
N
ASC
NA
MFR_LOCATION
0x9C Location of the final test of the LTC3880 in ASCII. R String
N
ASC
NA
MFR_DATE
0x9D Date of the final test of the IC YYMMDD in ASCII.
R String
N
ASC
NA
MFR_SERIAL
0x9E Serial number of this specific unit.
R Block
N
CF
NA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3880IUJ#PBF 功能描述:IC REG CTRLR BUCK PWM CM 40-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
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