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參數(shù)資料
| 型號： | LTC3675EUFF#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PQCC44 |
| 封裝： | 4 X 7 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-44 |
| 文件頁數(shù)： | 34/36頁 |
| 文件大?。?/td> | 413K |
| 代理商： | LTC3675EUFF#TRPBF |
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LTC3675
7
3675f
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tBUF
Bus Free Time Between Stop and Start
Condition
1.3
μs
tHD_SDA
Hold Time After Repeated Start Condition
0.6
μs
tSU_STA
Repeated Start Condition Set-Up Time
0.6
μs
tSU_STO
Stop Condition Set-Up Time
0.6
μs
tHD_DAT(O)
Data Hold Time Output
0
900
ns
tHD_DAT(I)
Data Hold Time Input
0
ns
tSU_DAT
Data Set-Up Time
100
ns
tLOW
SCL Clock Low Period
1.3
μs
tHIGH
SCL Clock High Period
0.6
μs
tf
Clock/Data Fall Time
CB = Capacitance of One Bus Line (pF)
20+0.1CB
300
ns
tr
Clock/Data Rise Time
CB = Capacitance of One Bus Line (pF)
20+0.1CB
300
ns
tSP
Input Spike Suppression Pulse Width
50
ns
Interface Logic Pins (PBSTAT, WAKE, RSTB, IRQB, ONB)
ILK(HIGH)
Output High Leakage Current
3.6V at Pin
–1
1
μA
VOL
Output Low Voltage
3mA into Pin
100
400
mV
VONB(HIGH)
ONB High Threshold
800
1200
mV
VONB(LOW)
ONB Low Threshold
400
700
mV
Interface Logic Pins (EN1, EN2, EN3, EN4, ENBB)
VHI_ALLOFF
Enable Rising Threshold
All Regulators and LED Driver Disabled
l
400
650
1200
mV
VEN_HYS
Enable Falling Hysteresis
60
mV
VHI
Enable Rising Threshold
At Least One Regulator/LED Driver Enabled
l
380
400
420
mV
IEN
Enable Pin Leakage Current
EN = 3.6V
–1
1
μA
Pushbutton Parameters; CT = 0.01μF
tONB_LO
ONB Low Time to PBSTAT Low
WAKE High
28
50
72
ms
tONB_WAKE
ONB Low Time to WAKE High
280
400
520
ms
tONB_HR
ONB Low to Hard Reset
3.5
5
6.5
sec
tHR
Time for Which All Enabled Regulators are
Disabled
0.7
1
1.3
sec
tPBSTAT_PW
PBSTAT Minimum Pulse Width
28
50
72
ms
tWAKE_ON
WAKE High Time
3.5
5
6.5
sec
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3675 is guaranteed to meet performance specications
from the 0°C to 125°C operating junction temperature range. Specications
over the –40°C to 125°C operating junction temperature range are assured
by design, characterization and correlation with statistical process controls.
Note 3: The LTC3675 includes overtemperature protection which protects
the device during momentary overload conditions. Junction temperature
will exceed 125°C when overtemperature protection is active. Continuous
operation above the specied maximum operating junction temperature
may impair device reliability.
Note 4: Static current, switches not switching. Actual current may be
higher due to gate charge losses at the switching frequency.
Note 5: Currents measured at a specic VIN pin. Buck 1 (VIN, Pin 6);
Buck 2 (VIN, Pin 7); Buck 3 and Buck 4 (VIN, Pin 10); Boost and Buck
Boost (VIN, Pin 34); LED driver (VIN, Pin 31).
Note 6: The current limit features of this part are intended to protect the
IC from short term or intermittent fault conditions. Continuous operation
above the maximum specied pin current rating may result in device
degradation over time.
Note 7: With dual string operation, the LED pin with the lower voltage sets
the regulation point.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3676EUJ#PBF | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors |
| LTC3676EUJ-1#PBF | 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors |
| LTC3676IUJ#PBF | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:IC POWER MANAGEMENT SOLUTION 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors |
| LTC3676IUJ#TRPBF | 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN |
| LTC3676IUJ-1#PBF | 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:IC POWER MANAGEMENT SOLUTION 制造商:Linear Technology 功能描述:IC, POWER MANAGEMENT SOLUTION, QFN-40 |
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