1510 데이터 시트보기 (PDF) - Linear Technology
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1510 Datasheet PDF : 16 Pages
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LT1510/LT1510-5
ELECTRICAL CHARACTERISTICS
VCC = 16V, VBAT = 8V, VMAX (maximum operating VCC) = 28V, no load on any outputs, unless otherwise noted.
PARAMETER
Overall
Minimum Input Operating Voltage
Reverse Current from Battery (When VCC Is Not
Connected, VSW Is Floating)
Boost Pin Current
Switch
Switch ON Resistance
∆IBOOST/∆ISW During Switch ON
Switch OFF Leakage Current
Maximum VBAT with Switch ON
Minimum IPROG for Switch ON
Minimum IPROG for Switch OFF at VPROG ≤ 1V
Current Sense Amplifier Inputs (SENSE, BAT)
Sense Resistance (RS1)
Total Resistance from SENSE to BAT (Note 3)
BAT Bias Current (Note 5)
Input Common Mode Limit (Low)
Input Common Mode Limit (High)
Reference
Reference Voltage (Note 1) S8 Package
Reference Voltage (Note 2) 16-Pin
Reference Voltage Tolerance, 16-Pin Only
Oscillator
Switching Frequency
Switching Frequency Tolerance
Maximum Duty Cycle
CONDITIONS
MIN TYP
Undervoltage Lockout
VBAT ≤ 20V, 0°C ≤ TJ ≤ 70°C
VCC – VBOOST ≤ 20V
20V < VCC – VBOOST ≤ 28V
2V ≤ VBOOST – VCC ≤ 8V (Switch ON)
8V < VBOOST – VCC ≤ 25V (Switch ON)
q
6.2
7
q
3
q
0.10
q
0.25
q
6
q
8
VCC = 10V
ISW = 1.5A, VBOOST – VSW ≥ 2V (Note 4)
q
0.3
ISW = 1A, VBOOST – VSW < 2V (Unboosted) q
VBOOST = 24V, ISW ≤ 1A
20
VSW = 0V, VCC ≤ 20V
20V < VCC ≤ 28V
q
2
q
4
q
2
4
q
1
2.4
VC < 0.3V
VC > 0.6V
0.08
0.2
– 200
700
q – 0.25
q
RPROG = 4.93k, Measured at PROG Pin
RPROG = 3.28k, Measured at OVP with
VA Supplying IPROG and Switch OFF
8V ≤ VCC ≤ 28V, 0°C ≤ TJ ≤ 70°C
8V ≤ VCC ≤ 28V, 0°C ≤ TJ ≤ 125°C
8V ≤ VCC ≤ 28V, TJ < 0°C
q 2.415 2.465
2.453 2.465
q 2.446 2.465
q 2.441
q 2.430
LT1510
LT1510-5
180 200
440 500
All Conditions of VCC, Temperature, LT1510
q
170
200
LT1510, TJ < 0°C
q 160
LT1510-5
q
425
500
LT1510-5, TJ < 0°C
q 400
LT1510
LT1510, TA = 25°C (Note 8)
LT1510-5 (Note 9)
q
87
90
93
q
77
81
MAX
7.8
15
20
30
11
14
0.5
2.0
35
100
200
VCC – 2
20
0.12
0.25
– 375
1300
VCC – 2
2.515
2.477
2.480
2.489
2.489
220
550
230
230
575
575
UNITS
V
µA
µA
µA
mA
mA
Ω
Ω
mA/A
µA
µA
V
µA
mA
Ω
Ω
µA
µA
V
V
V
V
V
V
V
kHz
kHz
kHz
kHz
kHz
kHz
%
%
%
3
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