参数资料
型号: LTC1502CMS8-3.3
厂商: Linear Technology
文件页数: 7/8页
文件大小: 0K
描述: IC REG SWITCHED CAP 3.3V 8MSOP
标准包装: 50
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: 3.3V
输入电压: 0.9 V ~ 1.8 V
频率 - 开关: 500kHz
电流 - 输出: 10mA
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-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 管件
供应商设备封装: 8-MSOP
LTC1502-3.3
APPLICATIO N S I N FOR M ATIO N
Short-Circuit Protection
When the output is shorted to ground, the LTC1502-3.3
will continuously charge the C2 capacitor up to approxi-
mately 1.4 times V IN , and then discharge C2 into the
shorted output. Since the discharging of C2 into V OUT will
bring the C2 voltage below the COMP2 start-up compara-
tor trip voltage, the output charge pump will be forced
Hi-Z while C2 charges up again. Hence, the internal charge
pump gate drive voltage is limited to (1.4)(V IN(MAX) ) on the
C2 pin, and no continuous current is supplied to V OUT . The
resulting output short-circuit current is limited to under
20mA (typ) thereby allowing the LTC1502-3.3 to endure
an indefinite output short circuit without damage. When
the short is removed, the part will start up, and operate
normally.
PACKAGE DESCRIPTIO N
Dimensions in inches (millimeters) unless otherwise noted.
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
0.040 ± 0.006
(1.02 ± 0.15)
0.034 ± 0.004
(0.86 ± 0.102)
0.118 ± 0.004 *
(3.00 ± 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)
0.193 ± 0.006
(4.90 ± 0.15)
0.118 ± 0.004**
(3.00 ± 0.102)
MSOP (MS8) 1098
BSC
* 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)
0.008 – 0.010
(0.203 – 0.254)
× 45 °
0 ° – 8 ° TYP
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
8
7
6
5
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)
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
TYP
BSC
SO8 1298
** 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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