LTC2914CDHC-1 データシートの表示（PDF） - Linear Technology
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LTC2914CDHC-1 Datasheet PDF : 16 Pages
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LTC2914
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications 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
VSHUNT
PARAMETER
VCC Shunt Regulator Voltage
ΔVSHUNT
VCC
VCCR(MIN)
VCC(UVLO)
ΔVCC(UVHYST)
ICC
VREF
VCC Shunt Regulator Load Regulation
Supply Voltage (Note 3)
Minimum VCC Output Valid
Supply Undervoltage Lockout
Supply Undervoltage Lockout Hysteresis
Supply Current
Reference Output Voltage
VUOT
tUOD
IVHL
tUOTO
VLATCH(IH)
VLATCH(IL)
ILATCH
VDIS(IH)
VDIS(IL)
IDIS
ITMR(UP)
Undervoltage/Overvoltage Voltage Threshold
Undervoltage/Overvoltage Voltage Threshold
to Output Delay
VHn, VLn Input Current
UV/OV Time-Out Period
OV Latch Clear Input High
OV Latch Clear Threshold Input Low
LATCH Input Current
DIS Input High
DIS Input Low
DIS Input Current
TMR Pull-Up Current
ITMR(DOWN) TMR Pull-Down Current
VTMR(DIS)
VOH
VOL
Timer Disable Voltage
Output Voltage High UV/OV
Output Voltage Low UV/OV
Three-State Input SEL
VIL
Low Level Input Voltage
VIH
High Level Input Voltage
VZ
Pin Voltage when Left in Hi-Z State
ISEL
ISEL(MAX)
SEL High, Low Input Current
Maximum SEL Input Current
CONDITIONS
ICC = 5mA
–40ºC < TA < 125ºC
ICC = 2mA to 10mA
DIS = 0V
VCC Rising, DIS = 0V
DIS = 0V
VCC = 2.3V to 6V
IVREF = ±1mA
–40ºC < TA < 125ºC
VHn = VUOT – 5mV or VLn = VUOT + 5mV
–40ºC < TA < 125ºC
CTMR = 1nF
–40ºC < TA < 125ºC
VLATCH > 0.5V
VDIS > 0.5V
VTMR = 0V
–40ºC < TA < 125ºC
VTMR = 1.6V
–40ºC < TA < 125ºC
Referenced to VCC
VCC = 2.3V, IUV/OV = –1μA
VCC = 2.3V, IUV/OV = 2.5mA
VCC = 1V, IUV = 100μA
ISEL = ±10μA
–40ºC < TA < 125ºC
SEL Tied to Either VCC or GND
MIN
l 6.2
l 6.2
l
l 2.3
l
l 1.9
l
5
l
l 0.985
l 0.985
l 492
l 50
l
l
l
6
l
6
l 1.2
l
l
l 1.2
l
l
1
l –1.3
l –1.2
l 1.3
l 1.2
l –180
l
1
l
l
l
l 1.4
l 0.7
l 0.6
l
l
TYP MAX UNITS
6.6
6.9
V
6.6
7.0
V
200
300
mV
VSHUNT
V
1
V
2
2.1
V
25
50
mV
62
100
μA
1
1.015
V
1
1.020
V
500
508
mV
125
500
μs
±15
nA
±30
nA
8.5
12.5
ms
8.5
14
ms
V
0.8
V
±1
μA
V
0.8
V
2
3
μA
–2.1 –2.8
μA
–2.1 –2.8
μA
2.1
2.8
μA
2.1
2.8
μA
–270
mV
V
0.1
0.3
V
0.01 0.15
V
0.4
V
V
0.9
1.1
V
0.9
1.2
V
±25
μA
±30
μA
2914fa
3
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