62
Q316 : XC9504B092AR
(電源
IC
)
PIN CONFIGURATION
MSOP-10
(TOP VIEW)
PIN NUMBER PIN NAME
FUNCTION
1 EXT
1
Channel 1: External Transistor Drive Pin
<Connected to N-ch Power MOSFET Gate>
2 V
DD
Supply Voltage
3 FB1
Channel 1: Output Voltage Monitor Feedback Pin <Threshold value: 0.9V. Output voltage
can be set freely by connecting split resistor between V
OUT1
and GND.>
4 PWM1
Channel 1: PWM/PFM Switching Pin <Control Output 1. PMW control when connected
to V
DD
, PWM/PFM auto switching when connected to GND.>
5 EN1
Channel 1: Enable Pin <Connected to GND when Output 1 is in stand-by mode.
Connected to V
DD
when Output 1 is active. EXT1 is low when in stand-by mode.>
6 EN2
Channel 2: Enable Pin <Connected to GND when Output 2 is in stand-by mode.
Connected to V
DD
when Output 2 is active. EXT1 is high when in stand-by mode.>
7 PWM2
Channel 2: PWM/PFM Switching Pin <Control Output 2
.
PMW control when connected
to V
DD
, PWM/PFM auto switching when connected to GND.>
8 FB2
Channel 2: Output Voltage Monitor Feedback Pin <Threshold value: 0.9V. Output voltage
can be set freely by connecting split resistor between V
OUT2
and GND.>
9 GND
Ground
10 EXT2/
Channel 2: External Transistor Drive Pin <Connected to P-ch Power MOSFET Gate>
PIN DESCRIPTIONS
BLOCK DIAGRAM
Содержание Professional PMD661
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