参数资料
型号: LT1317BCS8
厂商: Linear Technology
文件页数: 6/16页
文件大小: 0K
描述: IC REG BOOST ADJ 0.5A 8SOIC
标准包装: 100
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.24 V ~ 30 V
输入电压: 1.5 V ~ 12 V
PWM 型: 电流模式,混合
频率 - 开关: 600kHz
电流 - 输出: 500mA
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
产品目录页面: 1327 (CN2011-ZH PDF)
LT1317/LT1317B
TYPICAL PERFOR A CE CHARACTERISTICS
V OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Load Regulation (LT1317)
V OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Load Regulation (LT1317)
V OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Load Regulation (LT1317)
V IN = 1.5V
I LOAD 25mA/DIV
1317 TPC19
V IN = 2V
I LOAD 25mA/DIV
1317 TPC20
V IN = 2.5V
I LOAD 50mA/DIV
1317 TPC21
V OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
V OUT = 5V
Load Regulation (LT1317)
V OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
V OUT = 5V
Load Regulation (LT1317)
V OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
V OUT = 5V
Load Regulation (LT1317)
V IN = 1.5V
I LOAD 25mA/DIV
1317 TPC22
V IN = 2V
I LOAD 50mA/DIV
1317 TPC23
V IN = 2.5V
I LOAD 50mA/DIV
1317 TPC24
V OUT = 3.3V
Note: For load regulation pictures, double lines are due to
output capacitor ESR.
PI N FU N CTIO N S
V OUT = 3.3V
V OUT = 3.3V
V C (Pin 1): Compensation Pin for Error Amplifier. Con-
nect a series RC network from this pin to ground. Typical
values for compensation are a 33k/3.3nF combination. A
100pF capacitor from the V C pin to ground is optional and
improves noise immunity. Minimize trace area at V C .
FB (Pin 2): Feedback Pin. Reference voltage is 1.24V.
Connect resistor divider tap here. Minimize trace area at
FB. Set V OUT according to: V OUT = 1.24V(1 + R1/R2).
SHDN (Pin 3): Shutdown. Pull this pin low for shutdown
mode (only the low-battery detector remains active).
Leave this pin floating or tie to a voltage between 1.4V and
6V to enable the device. SHDN pin is logic level and need
only meet the logic specification (1.4V for high, 0.4V for
low).
6
GND (Pin 4): Ground. Connect directly to local ground
plane.
SW (Pin 5): Switch Pin. Connect inductor/diode here.
Minimize trace area at this pin to keep EMI down.
V IN (Pin 6): Supply Pin. Must be bypassed close to the
pin.
LBI (Pin 7): Low-Battery Detector Input. 200mV refer-
ence. Voltage on LBI must stay between ground and
700mV. Low-battery detector remains active in shutdown
mode.
LBO (Pin 8): Low-Battery Detector Output. Open collec-
tor, can sink 10 μ A. A 1M ? pull-up is recommended.
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LT1317BCS8#PBF 功能描述:IC REG BOOST ADJ 0.5A 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
LT1317BCS8#TR 功能描述:IC REG BOOST ADJ 0.5A 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:升压(升压) 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式,混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°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
LT1317BCS8#TRPBF 功能描述:IC REG BOOST ADJ 0.5A 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:升压(升压) 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式,混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°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
LT1317BIS8 功能描述:IC REG BOOST ADJ 0.5A 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
LT1317BIS8#PBF 功能描述:IC REG BOOST ADJ 0.5A 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:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2