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BA9741 Datasheet(PDF) 2 Page - E-Tech Electronics LTD

Part # BA9741
Description  TWO-CHANNEL SWITCHING REGULATOR CONTORLLER
PDF  5 Pages
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Manufacturer  ETL [E-Tech Electronics LTD]
Direct Link  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

BA9741 Datasheet(HTML) 2 Page - E-Tech Electronics LTD

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UTCBA9741
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
QW-R103-017,B
PIN DESCRIPTIONS
PIN NO.
PIN NAME
FUNCTOIN
1
CT
External timing capacitor
2
RT
External timing resistor
3
NON1
Positive input for error amplifier 1
4
INV1
Negative input for error amplifier 1
5
FB1
Error amplifier 1 output
6
DT1
Output 1 dead time/soft start setting
7
OUT1
Output 1
8
GND
Ground
9
Vcc
Power supply
10
OUT2
Output 2
11
DT2
Output 2 dead time / soft start setting
12
FB2
Error amplifier 2 output
13
INV2
Negative input for error amplifier 2
14
NON2
Positive input for error amplifier 2
15
SCP
Time latch setting
16
VREF
Reference voltage output (2.5V)
BLOCK DIAGRAM
Vcc
2
1
9
Reference
Voltage
3
4
5
6
8
7
Triangle
Oscillator
16
14
13
12
15
11
10
VREF
Vref
+
-
+
-
+
-
+
+
-
+
+
-
+
NON 1
INV 1
FB 1
NON 2
INV 2
FB 2
SCP
Err
Amp 1
Err
Amp 2
Vref
SR
Timer
Latch
R
UVLO
SCP Comp
Vref
Vref
DT1 DT2
GND
PWM Comp2
PWM Comp1
CT
RT
OUT1
OUT2



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