参数资料
型号: LT3845MPFE#TRPBF
厂商: Linear Technology
文件页数: 24/26页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16TSSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 500kHz
电源电压: 4 V ~ 60 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -55°C ~ 125°C
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
包装: 带卷 (TR)
LT3845
PACKAGE DESCRIPTION
FE Package
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
Exposed Pad Variation BC
4.90 – 5.10*
3.58
(.141)
(.193 – .201)
3.58
(.141)
16 1514 13 12 11 10
9
6.60
0.10
2.94
4.50
0.10
SEE NOTE 4
0.4 5
(.116)
0 .05
2.94
(.116)
6.40
(.252)
BSC
1.05
0.65 BSC
RECOMMENDED SOLDER PAD LAYOUT
0.10
1 2 3 4 5 6 7 8
1.10
4.30 – 4.50*
(.169 – .177)
0.25
REF
0 –8
(.0433)
MAX
0.65
0.09 – 0.20
0.50 – 0.75
(.0256)
0.05 – 0.15
(.0035 – .0079)
(.020 – .030)
BSC
0.195 – 0.30
(.0077 – .0118)
(.002 – .006)
FE16 (BC) TSSOP 0204
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
TYP
4. RECOMMENDED MINIMUM PCB METAL SIZE
2. DIMENSIONS ARE IN
MILLIMETERS
(INCHES)
FOR EXPOSED PAD ATTACHMENT
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
3. DRAWING NOT TO SCALE
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
N Package
16-Lead PDIP
(Reference LTC DWG # 05-08-1510)
.770*
(19.558)
MAX
16
15
14
13
12
11
10
9
.255
(6.477
.015*
0.381)
1
2
3
4
5
6
7
8
.300 – .325
(7.620 – 8.255)
.130
(3.302
.005
0.127)
.045 – .065
(1.143 – 1.651)
.020
(0.508)
.008 – .015
(0.203 – 0.381)
MIN
.065
(1.651)
TYP
–0.381
+.035
.325 –.015
+0.889
8.255
NOTE:
1. DIMENSIONS ARE
INCHES
MILLIMETERS
.120
(3.048)
MIN
.100
(2.54)
BSC
.018
(0.457
.003
0.076)
N16 1002
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
3845fd
24
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