TPS62840DLCR 原装 DC DC 开关稳压器
60-nA quiescent current (IQ), 1.8-V to 6.5-VIN, high-efficiency 750-mA step-down converter
降压 开关稳压器 IC 正 可调式 1.8V 1 输出 750mA 8-VFDFN
TPS62840DLCR 原装 DC DC 开关稳压器 的技术参数：
|
类别 |
PMIC -稳压器-DC DC 开关稳压器 |
|
制造商 |
Texas Instruments |
|
功能 |
降压 |
|
输出配置 |
正 |
|
拓扑 |
降压 |
|
输出类型 |
可调式 |
|
输出数 |
1 |
|
电压 - 输入 |
1.8 to 6.5 V |
|
电压 - 输出 |
1.8 to 3.3 V |
|
电流 - 输出 |
750mA |
|
频率 - 开关 |
1.8MHz |
|
同步整流器 |
是 |
|
工作温度 |
-40°C ~ 125°C（TJ） |
|
安装类型 |
表面贴装型 |
|
封装/外壳 |
8-VFDFN |
|
供应商器件封装 |
8-VSON-HR（2x1.5） |
TPS62840DLCR 原装 DC DC 开关稳压器 的特征：
1. 60-nA operating quiescent current
2. 100% duty-cycle mode with 120-nA IQ
3. Input voltage range VIN from 1.8 V to 6.5 V
4. Output current up to 750 mA
5. RF friendly DCS-Control™
6. 80% efficiency at 1 μA IOUT (3.6 VIN to 1.8 VOUT)
7. 16 selectable output voltages via VSET pin
8. Auto transition PFM/PWM or forced-PWM mode
9. Selectable forced PWM and STOP modes
10. Output discharge function
11. 25-nA shutdown current
12. SON-8, WCSP-6 and thermally enhanced HVSSOP-8 packages
TPS62840DLCR 原装 DC DC 开关稳压器 的描述：
The TPS62840 is a high-efficiency step-down converter with ultra-low operating quiescentcurrent of typically 60 nA. The device contains special circuitry to achieve just 120 nAIQ in 100% mode to further extend battery life near the end ofdischarge.
The device uses DCS-Control to cleanly power radios and operates with a typical switchingfrequency of 1.8 MHz. In Power-Save Mode, the device extends the light load efficiency down to aload current range of 1 μA and below.
16 predefined output voltages can be selected by connecting a resistor to pin VSET,making the device flexible for various applications with a minimum amount of external components.
The STOP pin of the device immediately eliminates any switching noise in order to take anoise-free measurement in test and measurement systems.
The TPS62840 provides an output current of up to 750 mA. With an input voltage of 1.8 Vto 6.5 V, the device supports multiple power sources such as 2S to 4S Alkaline, 1S to 2SLi-MnO2, or 1S Li-Ion/Li-SOCl2.
询价
