参数资料
型号: LMR10510YSD/NOPB
厂商: National Semiconductor
文件页数: 3/26页
文件大小: 0K
描述: IC REG BUCK ADJ 1A 6LLP
标准包装: 1,000
系列: SIMPLE SWITCHER®
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 4.5 V
输入电压: 3 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 3MHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 6-WDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 6-LLP-EP(3x3)

PIN DESCRIPTIONS 5-Pin SOT-23
SNVS727B – OCTOBER 2011 – REVISED APRIL 2013
Pin
1
2
3
4
5
Pin
1
2
3
4
5
6
DAP
Name
SW
GND
FB
EN
VIN
Name
FB
GND
SW
VIND
VINA
EN
Die Attach Pad
Function
Switch node. Connect to the inductor and catch diode.
Signal and power ground pin. Place the bottom resistor of the feedback network as close as possible
to this pin.
Feedback pin. Connect to external resistor divider to set output voltage.
Enable control input. Logic high enables operation. Do not allow this pin to float or be greater than VIN
+ 0.3V.
Input supply voltage.
PIN DESCRIPTIONS 6-Pin WSON
Function
Feedback pin. Connect to external resistor divider to set output voltage.
Signal and power ground pin. Place the bottom resistor of the feedback network as close as
possible to this pin.
Switch node. Connect to the inductor and catch diode.
Power Input supply.
Control circuitry supply voltage. Connect VINA to VIND on PC board.
Enable control input. Logic high enables operation. Do not allow this pin to float or be greater than
VINA + 0.3V.
Connect to system ground for low thermal impedance, but it cannot be used as a primary GND
connection.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings (1) (2)
VIN
FB Voltage
EN Voltage
SW Voltage
ESD Susceptibility
Junction Temperature (3)
Storage Temperature
For soldering specifications: http://www.ti.com/lit/SNOA549C
-0.5V to 7V
-0.5V to 3V
-0.5V to 7V
-0.5V to 7V
2kV
150°C
? 65°C to +150°C
(1)
(2)
(3)
Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating Range indicates conditions for
which the device is intended to be functional, but does not ensure specfic performance limits. For specific specifications and test
conditions, see the Electrical Characteristics.
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
Thermal shutdown will occur if the junction temperature exceeds the maximum junction temperature of the device.
Operating Ratings
VIN
Junction Temperature
3V to 5.5V
? 40°C to +125°C
Copyright ? 2011–2013, Texas Instruments Incorporated
Product Folder Links: LMR10510
3
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