LT1501CS8-3.3 データシートの表示（PDF） - Linear Technology
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LT1501CS8-3.3 Datasheet PDF : 16 Pages
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LT1500/LT1501
ELECTRICAL CHARACTERISTICS TJ = 25°C, VIN = 2.3V unless otherwise noted.
PARAMETER
Internal Divider Current
Operating Quiescent Current
Supply Current in Shutdown
Shutdown Pin Threshold
Shutdown Pin Input Current
Input Start-Up Voltage
Undervoltage Lockout
Power Switch
Switch On Resistance
Peak Switch Current (Note 3)
Switch Breakdown Voltage
Switch Leakage Current
Switch Turn-On Delay (Note 5)
Switch Turn-Off Delay (Note 5)
Current Sense Resistor
Low-Battery Comparator
Low-Battery Threshold
Threshold Hysteresis
LBI Input Bias Current
LBO Output Low State
LBO Leakage Current
LT1500 Functions
SYNC Pin Bias Current
SYNC Pin Threshold
Error Amplifier Transconductance
VC Pin Source Current
VC Pin High Clamp Voltage
NFB Reference Voltage
NFB Pin Bias Current
NFB to FB Transconductance
Soft Start Bias Current
CONDITIONS
LT1500-3.3/LT1501-3.3
LT1500-5/LT1501-5
VIN ≤ 5V, VSHDN = 2.3V (Note 1)
VIN = 15V
VSHDN ≤ 0.2V, Fixed Voltages (Note 7)
TJ ≥ 0°C
TJ < 0°C
VSHDN = 2.3V
VSHDN = VIN
TJ ≥ 0°C
TJ < 0°C
Light Load
Full Load
ISW = 0.7A (Note 2)
ISW = 100µA
VSW = 5V
VSW = 20V
Falling Edge
VLBI = 1.2V, ISINK = 100µA
ISINK = 2mA
VLBI = 1.3V, VLBO ≤ 15V
VSYNC = 3.3V
FB Pin Open
Note 4
Current Flows Out of Pin
MIN TYP MAX
q
22 30
q
33 45
q
200 280
q
320
q
8
15
20
q 0.4
1.1
q
3
10
q
2.0 2.1
2.2
1.8
2.0 2.1
q
0.50 0.72
q 0.7 0.85 1.3
q
30
45
q
0.2
5
q
0.3 10
800
400
q
0.28 0.42
q 1.20 1.24 1.28
20
q
20 50
q
0.1 0.25
q
0.3 0.5
q
2
q
15 35
q 0.4
1.3
600
20
1.20 1.26 1.32
q 1.230 1.265 1.300
q
12 20
10,000
q
2
4
7
UNITS
µA
µA
µA
µA
µA
µA
V
µA
V
V
V
V
Ω
A
V
µA
µA
ns
ns
Ω
V
mV
nA
V
V
µA
µA
V
µmho
µA
V
V
µA
µmho
µA
3
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