参数资料
型号: LT1934ES6-1#TR
厂商: Linear Technology
文件页数: 14/20页
文件大小: 0K
描述: IC REG BUCK ADJ 60MA SOT23-6
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.25 V ~ 28 V
输入电压: 3.2 V ~ 34 V
PWM 型: Burst Mode?
电流 - 输出: 60mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6
包装: 带卷 (TR)
供应商设备封装: SOT-23-6
LT1934/LT1934-1
APPLICATIONS INFORMATION
Figure 7 shows the waveforms that result when an LT1934
circuit is connected to a 24V supply through six feet of
24-gauge twisted pair. The ?rst plot is the response with
a 2.2μF ceramic capacitor at the input. The input voltage
rings as high as 35V and the input current peaks at 20A.
One method of damping the tank circuit is to add another
capacitor with a series resistor to the circuit. In Figure 7b
CLOSING SWITCH
SIMULATES HOT PLUG
an aluminum electrolytic capacitor has been added. This
capacitor’s high equivalent series resistance damps the
circuit and eliminates the voltage overshoot. The extra
capacitor improves low frequency ripple ?ltering and can
slightly improve the ef?ciency of the circuit, though it is
likely to be the largest component in the circuit. An alterna-
tive solution is shown in Figure 7c. A 1Ω resistor is added
I IN
V IN
+
LT1934
V IN
10V/DIV
2.2μF
I IN
LOW
IMPEDANCE
ENERGIZED
24V SUPPLY
STRAY
INDUCTANCE
DUE TO 6 FEET
(2 METERS) OF
TWISTED PAIR
LT1934
10A/DIV
(7a)
10μs/DIV
10μF
35V
+
2.2μF
AI.EI.
(7b)
LT1934
0.1μF
0.1μF
4.7Ω
2.2μF
LT1934-1
1μF
LT1934-1
1μF
(7c)
(7d)
(7e)
1934 F07
Figure 7. A Well Chosen Input Network Prevents Input Voltage Overshoot and
Ensures Reliable Operation When the LT1934 is Connected to a Live Supply
1934fe
14
相关PDF资料
PDF描述
LT1934EDCB#TRMPBF IC REG BUCK ADJ 0.3A 6DFN
ASC05DREF-S734 CONN EDGECARD 10POS .100 EYELET
LT1934ES6-1#TRM IC REG BUCK ADJ 60MA SOT23-6
LT1934ES6#TRM IC REG BUCK ADJ 0.3A SOT23-6
AMC05DREF-S734 CONN EDGECARD 10POS .100 EYELET
相关代理商/技术参数
参数描述
LT1934ES6TRMPBF 制造商:Linear Technology 功能描述:LT1934 adj 300mA SD dc-dc converter
LT1934IDCB#TRMPBF 功能描述:IC REG BUCK ADJ 0.3A 6DFN 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
LT1934IDCB#TRMPBF (CUT REEL) 制造商:Linear Technology 功能描述:
LT1934IDCB#TRPBF 功能描述:IC REG BUCK ADJ 0.3A 6DFN 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
LT1934IDCB-1#TRMPBF 功能描述:IC REG BUCK ADJ 60MA 6DFN 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