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參數(shù)資料
| 型號： | LTC4075HVXEDD#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封裝： | 3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 170K |
| 代理商： | LTC4075HVXEDD#TR |
LTC4075HVX
3
4075hvxf
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 LTC4075HVX is guaranteed to meet the performance
specications from 0°C to 85°C. Specications over the –40°C to 85°C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3: Failure to correctly solder the exposed backside of the package to
the PC board will result in a thermal resistance much higher than 40°C/W.
See Thermal Considerations.
Note 4: Supply current includes IDC and ITERM pin current (approximately
100μA each) but does not include any current delivered to the battery
through the BAT pin.
Note 5: Supply current includes IUSB and ITERM pin current
(approximately 100μA each) but does not include any current delivered to
the battery through the BAT pin.
VUVDC
DCIN Undervoltage Lockout Voltage
From Low to High
Hysteresis
4
4.15
190
4.3
V
mV
VUVUSB
USBIN Undervoltage Lockout Voltage
From Low to High
Hysteresis
3.8
3.95
170
4.1
V
mV
VOVDC
DCIN Overvoltage Lockout Voltage
From Low to High
Hysteresis
5.8
6
185
6.2
V
mV
VOVUSB
USBIN Overvoltage Lockout Voltage
From Low to High
Hysteresis
5.8
6
185
6.2
V
mV
VASD-DC
VDCIN – VBAT Lockout Threshold
VDCIN from Low to High, VBAT = 4.2V
VDCIN from High to Low, VBAT = 4.2V
70
10
120
40
170
70
mV
VASD-USB
VUSBIN – VBAT Lockout Threshold
VUSBIN from Low to High
VUSBIN from High to Low
70
10
120
40
170
70
mV
VENABLE
ENABLE Input Threshold Voltage
0.6
0.9
1.2
V
RENABLE
ENABLE Pulldown Resistance
●
1
2
3.5
MΩ
VOL
Output Low Voltage
(CHRG, PWR, USBPWR)
ISINK = 5mA
0.12
0.35
V
ΔVRECHRG
Recharge Battery Threshold Voltage
VFLOAT – VRECHRG, 0°C < TA < 85°C
90
125
160
mV
tRECHRG
Recharge Comparator Filter Time
VBAT from High to Low
2.25
4.1
6.75
ms
tTERMINATE
Termination Comparator Filter Time
IBAT Drops Below Termination Threshold
1
1.6
2.4
ms
RON-DC
Power FET “ON” Resistance
(Between DCIN and BAT)
600
mΩ
RON-USB
Power FET “ON” Resistance
(Between USBIN and BAT)
700
mΩ
TLIM
Junction Temperature in Constant-
Temperature Mode
125
°C
ELECTRICAL CHARACTERISTICS The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VDCIN = 5V, VUSBIN = 5V unless otherwise noted.
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