参数资料
型号: LT1766HGN#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 3 A SWITCHING REGULATOR, 228 kHz SWITCHING FREQ-MAX, PDSO16
封装: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16
文件页数: 12/28页
文件大小: 284K
代理商: LT1766HGN#PBF
2
LT1766/LT1766-5
1766fb
FE PACKAGE
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GND
SW
NC
VIN
NC
BOOST
NC
GND
SHDN
SYNC
NC
FB/SENSE
VC
BIAS
GND
17
θJA = 45°C/W, θJC (PAD) = 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE CONNECTED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/
(Note 1)
Input Voltage (VIN) ................................................. 60V
BOOST Pin Above SW ............................................ 35V
BOOST Pin Voltage ................................................. 68V
SYNC, SENSE Voltage (LT1766-5) ........................... 7V
SHDN Voltage ........................................................... 6V
BIAS Pin Voltage .................................................... 30V
FB Pin Voltage/Current (LT1766) ................... 3.5V/2mA
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
Operating Junction Temperature Range
LT1766EFE/LT1766EFE-5/LT1766EGN/
LT1766EGN-5 (Note 8,10) ................. – 40
°C to 125°C
LT1766IFE/LT1766IFE-5/
LT1766IGN/LT1766IGN-5 (Note 8,10) – 40
°C to 125°C
LT1766HGN/LT1766HFE ................... – 40
°C to 140°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Voltage (VREF) (LT1766)
5.5V
≤ VIN ≤ 60V
1.204
1.219
1.234
V
VOL + 0.2 ≤ VC ≤ VOH – 0.2
1.195
1.243
V
SENSE Voltage (LT1766-5)
5.5V
≤ VIN ≤ 60V
4.94
5
5.06
V
VOL + 0.2V ≤ VC ≤ VOH – 0.2V
4.90
5.10
V
SENSE Pin Resistance (LT1766-5)
9.5
13.8
19
k
FB Input Bias Current (LT1766)
–0.5
–1.5
A
The
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C.
VIN = 15V, VC = 1.5V, SHDN = 1V, BOOST open circuit, SW open circuit, unless otherwise noted.
ELECTRICAL CHARACTERISTICS (LT1766E/LT1766I GRADE)
θJA = 85°C/W, θJC (PIN 8) = 25°C/W
FOUR CORNER PINS SOLDERED TO GROUND PLANE
GN PART MARKING
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GND
SW
NC
VIN
NC
BOOST
NC
GND
SHDN
SYNC
NC
FB/SENSE
VC
BIAS
GND
ORDER PART NUMBER
LT1766EGN
LT1766IGN
LT1766HGN
LT1766EGN-5
LT1766IGN-5
1766
1766I
1766H
17665
1766I5
FE PART MARKING
ORDER PART NUMBER
LT1766EFE
LT1766IFE
LT1766HFE
LT1766EFE-5
LT1766IFE-5
1766EFE
1766IFE
1766HFE
1766EFE-5
1766IFE-5
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