參數(shù)資料
型號： PM6686
廠商： STMICROELECTRONICS
元件分類： 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
文件頁數(shù)： 29/50頁
文件大?。?/td> 1066K
代理商： PM6686
PM6686
Monitoring and protections
Doc ID 15281 Rev 4
35/50
9.4
Linear regulator section
The PM6686 has an integrated linear regulator (LDO) that can provide an average of
100 mA typ. with a peak current of 270 mA typ. The LDO can be enabled using EN_LDO
pin. If VIN is applied the linear regulator is active even if PVCC is low.
The output voltage can be programmed by LDOREFIN pin. If LDOREFIN pin is tied to
ground (GND) the LDO provides a +5 V output voltage. If it is connected to VREF3 pin the
LDO regulates 3.3 V. If the voltage at the LDOREFIN pin is between 0.35 V and 2.25 V the
LDO generates an output voltage equals to 2xVLDOREFIN.
The controller provides a switchover function when LDOREFIN pin is connected to VCC or
GND. If the voltage at LDO_SW pin is high enough, the internal linear regulator is turned off
and the LDO pin is connected with an internal MOSFET to the LDO_SW pin. This feature
decreases the power dissipation of the device.
When the switchover function is used the maximum current capability is 200 mA if LDO
output is +5 V and 100 mA if the LDO output is +3.3 V.
Table 12.
LDO output voltage configuration
LDOREFIN voltage
LDO voltage
GND
+5 V
VREF3
+3,3 V
0,35 V < VLDOREFIN < 2,25 V
2x VLDOREFIN
Table 13.
LDO switchover management
VLDOREFIN
VBYPLDO_SW
VLDO
Internal LDO
Switchover
resistance
< 0,35 V
> 4,75 V
+5 V
Disabled
0.81
Ω
< 0,35 V
< 4,55 V
+5 V
Enabled
-
> 2.43 V
> 3.18 V
+3,3 V
Disabled
1.12
Ω
> 2.43 V
< 3.05 V
+3,3 V
Enabled
-
0,35 V < VLDOREFIN < 2,25 V
2x VLDOREFIN
Enabled
-
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參數(shù)描述
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PM6-6R-D 制造商:Panduit Corp 功能描述:
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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 觸點電鍍:Tin over Nickel 觸點材料:Beryllium Copper, Phosphor Bronze 端接類型:Crimp
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