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BD8317GWL डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Step-up and inverted 2-channel DC/DC converter - Rohm

भाग संख्या BD8317GWL
समारोह Step-up and inverted 2-channel DC/DC converter
मैन्युफैक्चरर्स Rohm 
लोगो Rohm लोगो 
पूर्व दर्शन
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BD8317GWL pdf
BD8317GWL
Pin Description
Pin No.
A-1
A-2
A-3
A-4
B-1
B-3
B-4
C-1
C-2
C-3
C-4
C
B
A
12 3 4
Figure 2. Pin assignment (Bottom view)
Pin Name
VDD
HS2L
LX2
GND
LX1
STB1
STB2
DIS1
VREF
NON1
INV2
Function
Power input voltage pin. Connect to input ceramic capacitor bigger than 0.47uF.
Load SW output pin .Connect to inductor
Boost channel drain Nch Power MOS. Connect to diode and inductor.
Ground connection
PchPowerMOS drain of boost channel. Connect to diode and inductor
Enable pin of inverted channel.
ON threshold set to 1.5V. Integrated pull down resistance (800kΩ (typ))
Enable pin of boost channel.
ON threshold set to 1.5V. Integrated pull down resistance (800kΩ (typ))
Discharge SW of inverted channel. Connect to output of inverted channel.
STB1 disable , Output pin voltage is discharged by 100Ω (typ)
Reference voltage of inverted channel.
1.0V(typ) is included in error amp offset
Feedback pin of inverted channel. Connect to feedback resistance and set output voltage.
The method of output voltage setting is P16/20.
When inverted cannel is disable , the pin is discharged by integrated resistance (150Ω (typ))
Feedback pin of boost channel. Connect to feedback resistance and set output voltage.
The method of output voltage setting is P16/20.
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
TS2211114001
2/20
TSZ02201-0Q2Q0AJ00010-1-2
2012.09.5 Rev. 001

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