參數(shù)資料
型號： LT3512MPMS#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.8 A SWITCHING REGULATOR, 650 kHz SWITCHING FREQ-MAX, PDSO12
封裝： LEAD FREE, PLASTIC, MSOP-16/12
文件頁數(shù)： 12/26頁
文件大小： 244K
代理商： LT3512MPMS#PBF
LT3512
2
3512fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
SW (Note 4) ............................................................150V
VIN, EN/UVLO..........................................................100V
RFB............................................................100V, VIN ±6V
BIAS...................................................................VIN, 20V
RREF,TC, VC .................................................................6V
Operating Junction Temperature Range (Note 2)
LT3512E, LT3512I .............................. –40°C to 125°C
LT3512H ............................................ –40°C to 150°C
LT3512MP.......................................... –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
1
3
5
6
7
8
EN/UVLO
VIN
GND
BIAS
NC
GND
16
14
12
11
10
9
SW
RFB
RREF
TC
VC
GND
TOP VIEW
MS PACKAGE
16(12)-LEAD PLASTIC MSOP
θJA = 90°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3512EMS#PBF
LT3512EMS#TRPBF
3512
16-Lead Plastic MSOP
–40°C to 125°C
LT3512IMS#PBF
LT3512IMS#TRPBF
3512
16-Lead Plastic MSOP
–40°C to 125°C
LT3512HMS#PBF
LT3512HMS#TRPBF
3512
16-Lead Plastic MSOP
–40°C to 150°C
LT3512MPMS#PBF
LT3512MPMS#TRPBF
3512
16-Lead Plastic MSOP
–55°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
VIN = BIAS
l
6
4.5
100
15
V
Quiescent Current
Not Switching
VEN/UVLO = 0.2V
3.5
0
4.5
mA
μA
EN/UVLO Pin Threshold
EN/UVLO Pin Voltage Rising
l
1.15
1.21
1.27
V
EN/UVLO Pin Current
VEN/UVLO =1.1V
VEN/UVLO =1.4V
2.0
2.6
0
3.3
μA
Maximum Switching Frequency
650
kHz
Minimum Switching Frequency
40
kHz
Maximum Current Limit
420
600
800
mA
Minimum Current Limit
80
120
150
mA
Switch VCESAT
ISW = 200mA
0.5
V
RREF Voltage
l
1.18
1.17
1.20
1.215
1.23
V
RREF Voltage Line Regulation
6V < VIN < 100V
0.01
0.03
%/V
RREF Pin Bias Current
(Note 3)
l
80
400
nA
Error Amplifier Voltage Gain
150
V/V
Error Amplifier Transconductance
I = 2μA
140
μmhos
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 24V unless otherwise noted.
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