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参数资料
| 型号： | LT3468ES5-2#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO5 |
| 封装： | PLASTIC, SOT-23, MO-193, 5 PIN |
| 文件页数： | 5/12页 |
| 文件大小： | 591K |
| 代理商： | LT3468ES5-2#PBF |
LT3468/LT3468-1/LT3468-2
2
346812f
VIN Voltage .............................................................. 16V
SW Voltage ................................................ –0.4V to 50V
CHARGE Voltage ...................................................... 10V
DONE Voltage .......................................................... 10V
Current into DONE Pin ..........................................
±1mA
Maximum Junction Temperature .......................... 125
°C
Operating Temperature Range (Note 2) ...–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ORDER PART
NUMBER
S5 PART
MARKING
TJMAX = 125°C
θJA = 150°C ON BOARD OVER
GROUND PLANE
θJC = 90°C/W
LTAEC
LTAGQ
LTBCH
LT3468ES5
LT3468ES5-1
LT3468ES5-2
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
(Note 1)
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3V, VCHARGE = VIN unless otherwise noted. (Note 2) Specifications
are for the LT3468, LT3468-1 and LT3468-2 unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Quiescent Current
Not Switching
5
8
mA
VCHARGE = 0V
0
1
A
Input Voltage Range
q
2.5
16
V
Switch Current Limit
LT3468 (Note 3)
1.1
1.2
1.3
A
LT3468-2
0.77
0.87
0.97
A
LT3468-1
0.45
0.55
0.65
A
Switch VCESAT
LT3468, ISW = 1A
330
430
mV
LT3468-2, ISW = 650mA
210
280
mV
LT3468-1, ISW = 400mA
150
200
mV
VOUT Comparator Trip Voltage
Measured as VSW – VIN
q
31
31.5
32
V
VOUT Comparator Overdrive
300ns Pulse Width
200
400
mV
DCM Comparator Trip Voltage
Measured as VSW – VIN
q
10
36
80
mV
CHARGE Pin Current
VCHARGE = 3V
15
40
A
VCHARGE = 0V
0
0.1
A
Switch Leakage Current
VIN = VSW = 5V, in Shutdown
q
0.01
1
A
CHARGE Input Voltage High
q
1V
CHARGE Input Voltage Low
q
0.3
V
DONE Output Signal High
100k
from VIN to DONE
3
V
DONE Output Signal Low
33
A into DONE Pin
100
200
mV
DONE Leakage Current
VDONE = 3V, DONE NPN Off
20
100
nA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LT3468E/LT3468E-1/LT3468E-2 are guaranteed to meet
performance specifications from 0
°C to 70°C. Specifications over the
–40
°C to 85°C operating temperature range are assured by design,
characterization and correlation with statistical process.
Note 3: Specifications are for static test. Current limit in actual application
will be slightly higher.
5 VIN
4 CHARGE
SW 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
GND 2
DONE 3
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