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MB39A104PFV-E1 Datasheet(PDF) 3 Page - Fujitsu Component Limited.

Part # MB39A104PFV-E1
Description  2-ch DC/DC Converter IC with Overcurrent Protection
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Manufacturer  FUJITSU [Fujitsu Component Limited.]
Direct Link  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB39A104PFV-E1 Datasheet(HTML) 3 Page - Fujitsu Component Limited.

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MB39A104
3
■ PIN DESCRIPTION
Pin No.
Symbol
I/O
Descriptions
1
VCCO
Output circuit power supply terminal (Connect to same potential as VCC pin)
2
VH
O
Power supply terminal for FET drive circuit (VH
= VCC − 5 V)
3
OUT1
O
External P-ch MOS FET gate drive terminal
4
VS1
I
Overcurrent protection circuit input terminal
5ILIM1
I
Overcurrent protection circuit detection resistor connection terminal. Set
overcurrent detection reference voltage depending on external resistor and
internal current resource (110
µA at RT = 24 kΩ)
6DTC1
I
PWM comparator block (PWM) input terminal. Compares the lowest voltage
among FB1 and DTC1 terminals with triangular wave and controls output.
7VCC
Power supply terminal for reference power supply and control circuit
(Connect to same potential as the VCCO terminal)
8CSCP
Timer-latch short-circuit protection capacitor connection terminal
9
FB1
O
Error amplifier (Error Amp 1) output terminal
10
−INE1
I
Error amplifier (Error Amp 1) inverted input terminal
11
CS1
Soft-start capacitor connection terminal
12
RT
Triangular wave oscillation frequency setting resistor connection terminal
13
CT
Triangular wave oscillation frequency setting capacitor connection terminal
14
CS2
Soft-start capacitor connection terminal
15
−INE2
I
Error amplifier (Error Amp 2) inverted input terminal
16
FB2
O
Error amplifier (Error Amp 2) output terminal
17
VREF
O
Reference voltage output terminal
18
GND
Output circuit ground terminal (Connect to same potential as GNDO
terminal.)
19
DTC2
I
PWM comparator block (PWM) input terminal. Compares the lowest voltage
among FB2 and DTC2 terminals with triangular wave and controls output.
20
ILIM2
I
Overcurrent protection circuit detection resistor connection terminal. Set
overcurrent detection reference voltage depending on external resistor and
internal current resource (110
µA at RT = 24 kΩ)
21
VS2
I
Overcurrent protection circuit input terminal
22
OUT2
O
External P-ch MOS FET gate drive terminal
23
GNDO
Output circuit ground terminal (Connect to same potential as GND terminal)
24
CTL
I
Power supply control terminal. Setting the CTL terminal at “L” level places IC
in the standby mode.


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