参数资料
型号: LTC1514CS8-3.3
厂商: Linear Technology
文件页数: 7/8页
文件大小: 0K
描述: IC REG MULTI CONFIG 3.3V 8SOIC
标准包装: 100
类型: 降压(降压),升压(升压),切换电容(充电泵)
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 2 V ~ 10 V
频率 - 开关: 650kHz
电流 - 输出: 50mA
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: 管件
供应商设备封装: 8-SOIC
LTC1514-3.3/LTC1514-5
APPLICATIO N S I N FOR M ATIO N
resistor divider (see Figure 2). Since the low-battery
comparator is kept alive in shutdown, it may be used to
protect batteries against deep discharge by shutting
down the power supply when the battery voltage gets too
low. The open-drain comparator output allows for flex-
ible interfacing between the LBO output and external
logic. LBO pull-up resistors in the 50k to 1M range are
recommended.
TYPICAL APPLICATIO N S N
3.3V Step-Up/Step-Down Supply with Power Good Output
C1 +
C1 –
ON OFF
POWER GOOD
806k
1%
3V V TRIP
499k
1%
100k LTC1514-3.3
1
SHDN V OUT
2
LBO V IN
3
LBI
4
GND
8
7
6
5
0.22 μ F
+
10 μ F
+
V IN
2V TO 8V
10 μ F
V OUT = 3.3V ± 4%
I OUT = 15mA, V IN > 2V
I OUT = 50mA, V IN > 3V
1514 TA05
Low Power Battery Backup Supply with Autoswitchover and No Reverse Current
MAIN
5V SUPPLY
499k
BAT54
BACKED-UP
CIRCUITRY
TP0610T
1
LTC1514-5
SHDN V OUT
8
5V BACKUP SUPPLY
I OUT = 15mA
499k
1.5M
1%
499k
1%
2
4.6V V TRIP 3
4
LBO
LBI
GND
V IN
C1 +
C1 –
7
6
5
0.1 μ F
+
10 μ F
+
10 μ F
TRICKLE CHARGE
AND LTC1514 I DD
3-CELL
NiCd BATTERY
1514 TA03
Battery/External Power Autoswitch Regulator
6V
WALL
ADAPTER
INPUT
MBR0520L
499k
EXTERNAL
1M
1%
ON OFF
1
2
LTC1514-5
SHDN V OUT
LBO V IN
8
7
+
22 μ F
POWER GOOD
5V
499k
1%
3
4
LBI
GND
C1 +
C1 –
6
5
0.22 μ F
+
CHARGE PATH
10 μ F
3-CELL
NiCd
BATTERY
1514 TA06
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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LTC1514CS8-5 功能描述:IC REG MULTI CONFIG 5V 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘
LTC1514CS8-5#PBF 功能描述:IC REG MULTI CONFIG 5V 8SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘,8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?(2x2) 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2
LTC1514CS8-5#TR 功能描述:IC REG MULTI CONFIG 5V 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘
LTC1514CS8-5#TRPBF 功能描述:IC REG MULTI CONFIG 5V 8SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘
LTC1514IS8-3.3 功能描述:IC REG MULTI CONFIG 3.3V 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT