参数资料
型号: LTC1522CS8#TR
厂商: Linear Technology
文件页数: 7/8页
文件大小: 0K
描述: IC REG SWITCHED CAP 5V 8SOIC
标准包装: 2,500
类型: 切换式电容器(充电泵)
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 2.7 V ~ 5 V
频率 - 开关: 700kHz
电流 - 输出: 20mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LTC1522
APPLICATIO N S I N FOR M ATIO N
General Layout Considerations
Due to the high switching frequency and high transient
currents produced by the LTC1522, careful board layout
is a must. A clean board layout using a ground plane and
short connections to all capacitors will improve perfor-
mance and ensure proper regulation under all conditions
(refer to Figure 4).
C IN
1
8
V IN
2
7
SHDN
LTC1522
V OUT
3
6
C OUT
+
4
5
GND
C FLY
1522 F04
Figure 4. Suggested Component Placement for LTC1522
PACKAGE DESCRIPTIO N
Dimensions in inches (millimeters) unless otherwise noted.
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
0.118 ± 0.004*
(3.00 ± 0.102)
0.040 ± 0.006
(1.02 ± 0.15)
0.034 ± 0.004
(0.86 ± 0.102)
8
7 6
5
0.007
(0.18)
0.021 ± 0.006
(0.53 ± 0.015)
0 ° – 6 ° TYP
SEATING
PLANE 0.012
(0.30)
REF
0.0256
(0.65)
0.006 ± 0.004
(0.15 ± 0.102)
0.192 ± 0.004
(4.88 ± 0.10)
0.118 ± 0.004**
(3.00 ± 0.102)
MSOP (MS8) 1197
TYP
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
1
2 3
4
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.189 – 0.197 *
(4.801 – 5.004)
0.010 – 0.020
(0.254 – 0.508)
× 45 °
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
8
7
6
5
0.008 – 0.010
(0.203 – 0.254)
0 ° – 8 ° TYP
0.228 – 0.244
0.150 – 0.157**
0 .016   – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
0.050
(1.270)
(5.791 – 6.197)
(3.810 – 3.988)
TYP
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
SO8 0996
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
1
2
3
4
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
7
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