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| 型号： | LT3695EMSE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 23/30页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1A 16MSOP |
| 标准包装： | 37 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 20 V |
| 输入电压： | 3.6 V ~ 36 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 250kHz ~ 2.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-MSOP，裸露焊盘 |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
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LT3695 Series
APPLICATIONS INFORMATION
Table 5: Effects of Pin Shorts
PINS
PGND-DA
SW-RUN/SS
RUN/SS-RT
RT -SYNC
SYNC-V IN
PG-GND
GND-BD (LT3695)
BD-BOOST (LT3695)
GND-OUT2
(LT3695-3.3, LT3695-5)
EFFECT
No effect if V IN < V IN(MAX) . See Input Voltage Range section for description of V IN(MAX) .
The result of this short depends on the load resistance and on R3 (Figure 10). See the following discussion.
No effect or V OUT will fall below regulation voltage if I R3 (Figure 10) < 1mA.
No effect or V OUT will fall below regulation voltage if the current into the RT pin is less than 1mA.
No effect if V IN does not exceed the absolute maximum voltage of SYNC (20V).
No effect.
V OUT 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 V IN , but it is safe to connect it to V OUT .
If diode D2 (see Figure 10) is used, no effect or V OUT may fall below regulation voltage. Otherwise the device may be damaged.
V OUT 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
PGND
DA
SW
RUN/SS
RT
SYNC
V IN
V C
FB (LT3695)
PG
GND
BD (LT3695)
OUT1, OUT2
(LT3695-3.3, LT3695-5)
BOOST
EFFECT
No effect if the Exposed Pad is soldered.
Otherwise: V OUT may fall below regulation voltage. Make sure that V IN < V IN(MAX) (see Input Voltage Range section for details)
and provide a bypass resistor at the DA pin. See the following discussion.
V OUT may fall below regulation voltage. Make sure that V IN < V IN(MAX) (see Input Voltage Range section for details) and provide
a bypass resistor. See the following discussion.
V OUT will fall below regulation voltage.
V OUT will fall below regulation voltage.
V OUT will fall below regulation voltage.
V OUT may fall below regulation voltage. A ?oating SYNC pin con?gures the LT3695 for pulse-skipping mode. However, a
?oating SYNC pin is sensitive to noise which can degrade device performance.
V OUT will fall below regulation voltage.
V OUT may fall below regulation voltage. Disconnecting the V C pin alters the loop compensation and potentially degrades device
performance. The output voltage ripple will increase if the part becomes unstable.
V OUT will fall below regulation voltage.
No effect.
Output maintains regulation, but potential degradation of device performance.
V OUT 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.
No effect.
V OUT 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.
3695fa
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相关代理商/技术参数 |
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| LT3695EMSETRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Fault Tolerant Micropower Step-Down Regulator |
| LT3695HMSE#PBF | 功能描述:IC REG BUCK ADJ 1A 16MSOP RoHS:是 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 |
| LT3695HMSE#TRPBF | 功能描述:IC REG BUCK ADJ 1A 16MSOP RoHS:是 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 |
| LT3695HMSE-3.3#PBF | 功能描述:IC REG BUCK 3.3V 1A 16MSOP RoHS:是 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 |
| LT3695HMSE-3.3#PBF | 制造商:Linear Technology 功能描述:IC STEP-DOWN REGULATOR MSOP-16 |
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