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参数资料
| 型号： | LT3493EDCB-3#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.2 A SWITCHING REGULATOR, 815 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 3 MM, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 12/20页 |
| 文件大小： | 401K |
| 代理商： | LT3493EDCB-3#TR |
2
LT3493-3
3493-3f
Input Voltage (VIN) .................................................. 40V
BOOST Pin Voltage .................................................. 50V
BOOST Pin Above SW Pin ....................................... 25V
SHDN Pin ................................................................ 40V
FB Voltage ................................................................. 6V
Operating Temperature Range (Note 2)
LT3493E-3 ........................................... –40
°C to 85°C
Maximum Junction Temperature .......................... 125
°C
Storage Temperature Range ................. – 65
°C to 150°C
ORDER PART NUMBER
DCB PART MARKING
LT3493EDCB-3
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
(Note 1)
TJMAX = 125°C, θJA = 64°C/ W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Operating Range
6.8
36
V
Undervoltage Lockout
6.2
6.5
6.8
V
Feedback Voltage
●
765
780
795
mV
FB Pin Bias Current
VFB = Measured VREF (Note 4)
●
50
150
nA
Quiescent Current
Not Switching
1.9
2.5
mA
Quiescent Current in Shutdown
VSHDN = 0V
0.01
2
A
Reference Line Regulation
VIN = 6.8V to 36V
0.007
%/V
Switching Frequency
VFB = 0.7V
685
750
815
kHz
VFB = 0V
36
kHz
Maximum Duty Cycle
●
88
95
%
TA = 25°C91
95
%
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2)
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
SHDN
VIN
SW
FB
GND
BOOST
DCB PACKAGE
6-LEAD (2mm
× 3mm) PLASTIC DFN
4
5
7
6
3
2
1
LCGJ
相关PDF资料 |
PDF描述 |
|---|---|
| LT3494EDDB#PBF | 0.25 A SWITCHING REGULATOR, PDSO8 |
| LT3494EDDB | 0.25 A SWITCHING REGULATOR, PDSO8 |
| LT3502AEDC#PBF | 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3502AIDC#PBF | 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3502AIDC#TR | 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO10 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3493EDCBPBF | 制造商:LT 功能描述:Pb Free |
| LT3493EDCB-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN |
| LT3493EDCB-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN |
| LT3493EDCBTRMPBF | 制造商:Linear Technology 功能描述:Sw. Regulator 1.2A 750kHz Step-Down DFN6 |
| LT3493EDCB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN |
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