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參數(shù)資料
| 型號： | PM6685TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, QCC32 |
| 封裝： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, VFQFPN-32 |
| 文件頁數(shù)： | 50/52頁 |
| 文件大?。?/td> | 2536K |
| 代理商： | PM6685TR |
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PM6685
Pin settings
7/52
Pin
Name
Description
17
V5SW
Internal 5V regulator bypass connection.
– If V5SW is connected to OUT5 (or to an external 5V supply) and V5SW is
greater than 4.9V, the LDO5 regulator shuts down and the LDO5 pin is directly
connected to OUT5 through a 3W (max) switch.
– If V5SW is connected to GND, the LDO5 linear regulator is always on.
18
LDO5
5V internal regulator output. It can provide up to 100mA peak current. LDO5 pin
supplies embedded low side gate drivers and an external load.
19
VIN
Device input supply voltage. A bypass filter (4W and 4.7mF) between the battery
and this pin is recommended.
20
CSENSE5
Current sense input for the 5V section. This pin must be connected through a
resistor to the drain of the synchronous rectifier (RDSON sensing) to set the
current limit threshold.
21
PHASE5
Switch node connection and return path for the high side driver for the 5V
section.
22
HGATE5
High-side gate driver output for the 5V section.
23
BOOT5
Bootstrap capacitor connection for the 5V section. It supplies the high-side gate
driver.
24
SKIP
Pulse skip mode control input.
– If the pin is connected to LDO5 the PWM mode is enabled.
– If the pin is connected to GND, the pulse skip mode is enabled.
– If the pin is connected to VREF the pulse skip mode is enabled but the
switching frequency is kept higher than 33kHz (No-audible pulse skip mode).
25
EN5
5V SMPS enable input.
– The 5V section is enabled applying a voltage greater than 2.4V to this pin.
– The 5V section is disabled applying a voltage lower than 0.8V.
When the section is disabled the High Side gate driver goes low and Low Side
gate driver goes high.
26
PGOOD5
Power Good signal for the 5V section. This pin is an open drain output.
The pin is pulled low if the output is disabled or if it is out of approximately +/-
10% of its nominal value.
27
PGOOD3
Power Good signal for the 3.3V section. This pin is an open drain output.
The pin is pulled low if the output is disabled or if it is out of approximately +/-
10% of its nominal value.
28
LDO3SEL
Control pin for the 3.3V internal linear regulator. This pin determines three
operative modes for the LDO3.
– If LDO3_SEL pin is connected to GND the LDO3 output is always disabled.
– If LDO3_SEL pin is connected to LDO5 the LDO3 internal regulator is always
enabled.
– If LDO3_SEL pin is connected to VREF and OUT3 is greater than about 3V,
the LDO3 regulator shuts down and the LDO3 pin is be directly connected to
OUT3 through a 3W (max) switch.
29
OUT5
Output voltage sense for the 5V switching section.This pin must be directly
connected to the output voltage of the switching section.
30
COMP5
DC voltage error compensation pin for the 5V switching section..
31
VCC
Device Supply Voltage pin. It supplies the all the internal analog circuitry except
the gate drivers (see LDO5). Connect this pin to LDO5.
Table 2.
Pin functions (continued)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PM6686 | 制造商:STMicroelectronics 功能描述: |
| PM6686TR | 功能描述:DC/DC 開關(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 觸點電鍍:Tin over Nickel 觸點材料:Beryllium Copper, Phosphor Bronze 端接類型: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 觸點電鍍:Tin over Nickel 觸點材料:Beryllium Copper, Phosphor Bronze 端接類型:Crimp |
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