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參數(shù)資料
| 型號： | LTC2914HGN-1#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 211K |
| 代理商： | LTC2914HGN-1#TR |
LTC2914
3
2914fa
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VCC = 3.3V, VLn = 0.45V, VHn = 0.55V, LATCH = VCC, SEL = VCC,
DIS = Open unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VSHUNT
VCC Shunt Regulator Voltage
ICC = 5mA
l
6.2
6.6
6.9
V
–40C < TA < 125C
l
6.2
6.6
7.0
V
ΔVSHUNT
VCC Shunt Regulator Load Regulation
ICC = 2mA to 10mA
l
200
300
mV
VCC
Supply Voltage (Note 3)
l
2.3
VSHUNT
V
VCCR(MIN)
Minimum VCC Output Valid
DIS = 0V
l
1V
VCC(UVLO)
Supply Undervoltage Lockout
VCC Rising, DIS = 0V
l
1.9
2
2.1
V
ΔVCC(UVHYST)
Supply Undervoltage Lockout Hysteresis
DIS = 0V
l
525
50
mV
ICC
Supply Current
VCC = 2.3V to 6V
l
62
100
μA
VREF
Reference Output Voltage
IVREF = ±1mA
l
0.985
1
1.015
V
–40C < TA < 125C
l
0.985
1
1.020
V
VUOT
Undervoltage/Overvoltage Voltage Threshold
l
492
500
508
mV
tUOD
Undervoltage/Overvoltage Voltage Threshold
to Output Delay
VHn = VUOT – 5mV or VLn = VUOT + 5mV
l
50
125
500
μs
IVHL
VHn, VLn Input Current
l
±15
nA
–40C < TA < 125C
l
±30
nA
tUOTO
UV/OV Time-Out Period
CTMR = 1nF
l
6
8.5
12.5
ms
–40C < TA < 125C
l
6
8.5
14
ms
VLATCH(IH)
OV Latch Clear Input High
l
1.2
V
VLATCH(IL)
OV Latch Clear Threshold Input Low
l
0.8
V
ILATCH
LATCH Input Current
VLATCH > 0.5V
l
±1
μA
VDIS(IH)
DIS Input High
l
1.2
V
VDIS(IL)
DIS Input Low
l
0.8
V
IDIS
DIS Input Current
VDIS > 0.5V
l
123
μA
ITMR(UP)
TMR Pull-Up Current
VTMR = 0V
l
–1.3
–2.1
–2.8
μA
–40C < TA < 125C
l
–1.2
–2.1
–2.8
μA
ITMR(DOWN)
TMR Pull-Down Current
VTMR = 1.6V
l
1.3
2.1
2.8
μA
–40C < TA < 125C
l
1.2
2.1
2.8
μA
VTMR(DIS)
Timer Disable Voltage
Referenced to VCC
l
–180
–270
mV
VOH
Output Voltage High UV/OV
VCC = 2.3V, IUV/OV = –1μA
l
1V
VOL
Output Voltage Low UV/OV
VCC = 2.3V, IUV/OV = 2.5mA
VCC = 1V, IUV = 100μA
l
0.1
0.01
0.3
0.15
V
Three-State Input SEL
VIL
Low Level Input Voltage
l
0.4
V
VIH
High Level Input Voltage
l
1.4
V
VZ
Pin Voltage when Left in Hi-Z State
ISEL = ±10μA
l
0.7
0.9
1.1
V
–40C < TA < 125C
l
0.6
0.9
1.2
V
ISEL
SEL High, Low Input Current
l
±25
μA
ISEL(MAX)
Maximum SEL Input Current
SEL Tied to Either VCC or GND
l
±30
μA
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