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參數(shù)資料
| 型號： | L6926Q1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.65 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3 X 3 MM, 1.08 MM HEIGHT, LEAD FREE, VFQFPN-8 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 257K |
| 代理商： | L6926Q1 |
L6926
Pin settings
3/16
1
Pin settings
1.1
Pin connection
Figure 1.
Pin connection (top view)
1.2
Pin description
RUN
COMP
VFB
GND
1
3
2
4LX
VCC
SYNC
PGOOD
8
7
6
5
D01IN1239AMOD
Table 1.
Pin description
Pin N°
Name
Description
1RUN
Shutdown input. When connected to a low level (lower than 0.4 V) the device
stops working. When high (higher than 1.3 V) the device is enabled.
2COMP
Error amplifier output. A compensation network has to be connected to this pin.
Usually a 220 pF capacitor is enough to guarantee the loop stability.
3VFB
Error amplifier inverting input. The output voltage can be adjusted from 0.6 V up
to the input voltage by connecting this pin to an external resistor divider.
4
GND
Ground.
5LX
Switch output node. This pin is internally connected to the drain of the internal
switches.
6VCC
Input voltage. The start up input voltage is 2.2 V (typ) while the operating input
voltage range is from 2 V to 5.5 V. An internal UVLO circuit realizes a 100 mV
(typ.) hysteresis.
7
SYNC
Operating mode selector input. When high (higher than 1.3 V) the Low
Consumption Mode is selected. When low (lower than 0.5 V) the low noise
mode is selected. If connected with an appropriate external synchronization
signal (from 500 kHz up to 1.4 MHz) the internal synchronization circuit is
activated and the device works at the same switching frequency.
8
PGOOD
Power good comparator output. It is an open drain output. A pull-up resistor
should be connected between PGOOD and VOUT (or VCC depending on the
requirements). The pin is forced low when the output voltage is lower than 90%
of the regulated output voltage and goes high when the output voltage is greater
than 90% of the regulated output voltage. If not used the pin can be left floating.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6926Q1TR | 功能描述:直流/直流開關調節(jié)器 HIGH EFFICIENCY MONO LITHIC SYNCHRONOUS RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L6928 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:High efficiency monolithic synchronous step down regulator |
| L6928_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:High efficiency monolithic synchronous step down regulator |
| L6928_11 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:High efficiency monolithic synchronous step down regulator |
| L6928D | 功能描述:直流/直流開關調節(jié)器 Hi Efficiency Mono Step-Down Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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