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参数资料
| 型号： | LT3695EMSE-3.3#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 2420 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件页数： | 16/30页 |
| 文件大小： | 491K |
| 代理商： | LT3695EMSE-3.3#PBF |
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LT3695 Series
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APPLICATIONS INFORMATION
Table 5: Effects of Pin Shorts
PINS
EFFECT
PGND-DA
No effect if VIN < VIN(MAX). See Input Voltage Range section for description of VIN(MAX).
SW-RUN/SS
The result of this short depends on the load resistance and on R3 (Figure 10). See the following discussion.
RUN/SS-RT
No effect or VOUT will fall below regulation voltage if IR3 (Figure 10) < 1mA.
RT-SYNC
No effect or VOUT will fall below regulation voltage if the current into the RT pin is less than 1mA.
SYNC-VIN
No effect if VIN does not exceed the absolute maximum voltage of SYNC (20V).
PG-GND
No effect.
GND-BD (LT3695)
VOUT may fall below regulation voltage, power dissipation of the power switch will be increased. Note that this short also
grounds the voltage source supplying BD. Make sure it is safe to short the supply for BD to ground. For this reason BD should
not be connected to VIN, but it is safe to connect it to VOUT.
BD-BOOST (LT3695)
If diode D2 (see Figure 10) is used, no effect or VOUT may fall below regulation voltage. Otherwise the device may be damaged.
GND-OUT2
(LT3695-3.3, LT3695-5)
VOUT will fall below regulation voltage, because this shorts the output to ground. As a result, the power dissipation of the part
may increase.
Table 6: Effects of Floating Pins
PIN
EFFECT
PGND
No effect if the Exposed Pad is soldered.
Otherwise: VOUT may fall below regulation voltage. Make sure that VIN < VIN(MAX) (see Input Voltage Range section for details)
and provide a bypass resistor at the DA pin. See the following discussion.
DA
VOUT may fall below regulation voltage. Make sure that VIN < VIN(MAX) (see Input Voltage Range section for details) and provide
a bypass resistor. See the following discussion.
SW
VOUT will fall below regulation voltage.
RUN/SS
VOUT will fall below regulation voltage.
RT
VOUT will fall below regulation voltage.
SYNC
VOUT may fall below regulation voltage. A oating SYNC pin congures the LT3695 for pulse-skipping mode. However, a
oating SYNC pin is sensitive to noise which can degrade device performance.
VIN
VOUT will fall below regulation voltage.
VC
VOUT may fall below regulation voltage. Disconnecting the VC pin alters the loop compensation and potentially degrades device
performance. The output voltage ripple will increase if the part becomes unstable.
FB (LT3695)
VOUT will fall below regulation voltage.
PG
No effect.
GND
Output maintains regulation, but potential degradation of device performance.
BD (LT3695)
VOUT may fall below regulation voltage. If BD is not connected, the boost capacitor cannot be charged and thus the power
switch cannot saturate properly, which increases its power dissipation.
OUT1, OUT2
(LT3695-3.3, LT3695-5)
No effect.
BOOST
VOUT may fall below regulation voltage. If BOOST is not connected, the boost capacitor cannot be charged and thus the power
switch cannot saturate properly, which increases its power dissipation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3695EMSE-5#PBF | 功能描述:IC REG BUCK 5V 1A 16MSOP 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 |
| LT3695EMSE-5#PBF | 制造商:Linear Technology 功能描述:IC STEP-DOWN REGULATOR MSOP-16 |
| LT3695EMSE-5#TRPBF | 功能描述:IC REG BUCK 5V 1A 16MSOP 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 |
| LT3695EMSEPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Fault Tolerant Micropower Step-Down Regulator |
| LT3695EMSETRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Fault Tolerant Micropower Step-Down Regulator |
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