LTC1756 查看數據表（PDF） - Linear Technology
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LTC1756 Datasheet PDF : 16 Pages
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LTC1755/LTC1756
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full specified
temperature range, otherwise specificatons are at TA = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
LTC1755 (VIN = 2.7V to 6V, DVCC = 2V to 5.5V, unless otherwise noted)
VIN Operating Voltage
DVCC Operating Voltage
IVIN Operating Current
ACTIVE State, IVCC = 0
IDVCC Operating Current
ACTIVE State, DVCC = 3V
IVIN Shutdown Current
IDLE State, DVCC = 0V, VIN ≤ 3.6V
IDLE State, DVCC = 0V, 3.6V < VIN ≤ 6V
IDLE State, DVCC = 5.5V, VIN ≤ 6V
VCC Output Voltage
5V/3V = DVCC
5V/3V = 0V
q
2.7
6
q
2.0
5.5
q
50
100
q
10
20
q
1
q
10
q
20
q 4.75
5.00
5.25
q 2.80
3.00
3.20
IVCC Output Current
5V/3V = 0V
5V/3V = DVCC
3V ≤ VIN ≤ 6.0V q
55
3V ≤ VIN ≤ 6.0V q
65
5V/3V = 0V
5V/3V = DVCC
2.7V ≤ VIN ≤ 6.0V q
55
2.7V ≤ VIN ≤ 6.0V q
40
VCC Turn-On Time
COUT = 10µF, PWR to READY, 50% to 50% q
2.7
12
VCC Discharge Time to 0.4V
IVCC = 0mA, VCC = 5V, COUT = 10µF
q
100
250
LTC1756 (VIN = 2.7V to 5.5V, unless otherwise noted)
VIN Operating Voltage
q
2.7
5.5
IVIN Operating Current
ACTIVE State, IVCC = 0
q
75
150
IVIN Shutdown Current
IDLE State, VIN ≤ 3.6V
q
2.5
IDLE State, 3.6V < VIN ≤ 5.5V
q
10
VCC Output Voltage
5V/3V = VIN
5V/3V = 0V
q 4.75
5.00
5.25
q 2.80
3.00
3.20
IVCC Output Current
VCC Turn-On Time
VCC Discharge Time to 0.4V
5V/3V = 0V
5V/3V = VIN
3V ≤ VIN ≤ 5.5V q
55
3V ≤ VIN ≤ 5.5V q
65
5V/3V = 0V
5V/3V = VIN
2.7V ≤ VIN ≤ 5.5V q
55
2.7V ≤ VIN ≤ 5.5V q
40
COUT = 10µF, PWR to READY, 50% to 50% q
IVCC = 0mA, VCC = 5V, COUT = 10µF
q
2.7
12
100
250
UNITS
V
V
µA
µA
µA
µA
µA
V
V
mA
mA
mA
mA
ms
µs
V
µA
µA
µA
V
V
mA
mA
mA
mA
ms
µs
3
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