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参数资料
| 型号： | LTC3614EUDD#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 10.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封装： | 3 X 5 MM, LEAD FREE, PLASTIC, QFN-24 |
| 文件页数： | 14/30页 |
| 文件大小： | 438K |
| 代理商： | LTC3614EUDD#TRPBF |
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LTC3614
21
3614fa
Figure 7a. Setup for Coincident Tracking
Figure 7b. Setup for Ratiometric Tracking
VFB2
R4
R2
R4
R2
R3
R2
R4 ≤ R3
VOUT2
VOUT1
LTC3614
TRACK/SS2
VFB1
VIN
LTC3614
LTC3614 CHANNEL 2
SLAVE
LTC3614 CHANNEL 1
MASTER
TRACK/SS1
3614 F07a
VFB2
R1
R2
R5
R6
R3 R1/R2 < R5/R6
R4
VOUT2
VOUT1
LTC3614
TRACK/SS2
VFB1
VIN
3614 F07b
LTC3614
LTC3614 CHANNEL 2
SLAVE
LTC3614 CHANNEL 1
MASTER
TRACK/SS1
To implement the coincident tracking behavior in Fig-
ure 6a, connect an extra resistive divider to the output
of the master channel and connect its midpoint to the
TRACK/SS pin for the slave channel. The ratio of this
divider should be selected to be the same as that of the
slave channel’s feedback divider (Figure 7a). In this track-
ing mode, the master channel’s output must be set higher
than slave channel’s output. To implement the ratiometric
tracking behavior in Figure 6b, different resistor divider
values must be used as specied in Figure 7b.
For coincident start-up, the voltage value at the TRACK/SS
pin for the slave channel needs to reach the nal reference
value after the internal soft-start time (around 1ms). The
master start-up time needs to be adjusted with an external
capacitor and resistor to ensure this.
External Reference Input (DDR Mode)
If the DDR pin is tied to SVIN (DDR mode), the run state
is entered when VTRACK/SS exceeds 0.3V and tracking
down behavior is possible if the VTRACK/SS voltage is
below 0.6V.
This allows TRACK/SS to be used as an external reference
between 0.3V and 0.6V if desired. During the run state in
DDR mode, the power good window moves in relation
to the actual TRACK/SS pin voltage if the voltage value
is between 0.3V and 0.6V. Note: if TRACK/SS voltage is
0.6V, either the tracking circuit or the internal reference
can be used.
During up/down tracking the output current foldback is
disabled and the PGOOD pin is always pulled down (see
Figure 9).
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相关代理商/技术参数 |
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| LTC3614IUDD#PBF | 功能描述:IC REG BUCK SYNC ADJ 4A 24QFN 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 |
| LTC3614IUDD#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 4A 24QFN 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 |
| LTC3614MPUDD#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 4A 24QFN |
| LTC3614MPUDD#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 4A 24QFN |
| LTC3615EFE#PBF | 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP 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 |
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