參數(shù)資料
型號(hào)： PM6686
廠商： STMICROELECTRONICS
元件分類(lèi)： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, QCC32
封裝： 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁(yè)數(shù)： 39/50頁(yè)
文件大小： 1066K
代理商： PM6686
Diode selection
PM6686
44/50
Doc ID 15281 Rev 4
Typical components values are: C1 = 1 F and C2 = 1 F.
11.3.3
VREF2 and VREF3 capacitors
A 10 nF to 100 nF ceramic capacitor on VREF2 pin must be added to ensure noise
rejection. If VREF3 voltage is not used the pin can be left floating, otherwise a 10 nF to 100
nF bypass ceramic capacitor should be mounted.
11.3.4
LDO output capacitors
Bypass the output of the linear regulator with 4,7 F ceramic capacitor closer to the LDO
pin. In most applicative conditions the ceramic output capacitor can be enough to ensure
stability.
11.3.5
Bootstrap circuit
The external bootstrap circuit is represented in the next figure:
Figure 57.
Bootstrap circuit
The bootstrap circuit capacitor value CBOOT must provide the total gate charge to the high-
side MOSFET during turn on phase. A typical value is 100 nF.
A resistor RBOOT on the BOOT pin could be added in order to reduce noise when the
phase node rises up, working like a gate resistor for the turn on phase of the high-side
MOSFET. A typical value is RBOOT = 1 Ω.
RBOOT
PHASE
CBOOT
RBOOT
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PM6686TR 功能描述:DC/DC 開(kāi)關(guān)控制器 Step-down Controller w/adj. voltages-dual RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
PM6-6F-L 功能描述:端子 Metric Fork Terminal non-insulated, 4.0 RoHS:否 制造商:AVX 產(chǎn)品:Junction Box - Wire to Wire 系列:9826 線規(guī):26-18 接線柱/接頭大小: 絕緣: 顏色:Red 型式:Female 觸點(diǎn)電鍍:Tin over Nickel 觸點(diǎn)材料:Beryllium Copper, Phosphor Bronze 端接類(lèi)型:Crimp
PM6-6R-D 制造商:Panduit Corp 功能描述:
PM6-6R-L 功能描述:端子 Metric Ring Terminal non-insulated, 2.5 RoHS:否 制造商:AVX 產(chǎn)品:Junction Box - Wire to Wire 系列:9826 線規(guī):26-18 接線柱/接頭大小: 絕緣: 顏色:Red 型式:Female 觸點(diǎn)電鍍:Tin over Nickel 觸點(diǎn)材料:Beryllium Copper, Phosphor Bronze 端接類(lèi)型:Crimp
PM6-6R-X 功能描述:端子 Metric Ring Terminal non-insulated, 2.5 RoHS:否 制造商:AVX 產(chǎn)品:Junction Box - Wire to Wire 系列:9826 線規(guī):26-18 接線柱/接頭大小: 絕緣: 顏色:Red 型式:Female 觸點(diǎn)電鍍:Tin over Nickel 觸點(diǎn)材料:Beryllium Copper, Phosphor Bronze 端接類(lèi)型:Crimp
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