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PDF FA3630V Data sheet ( Hoja de datos )

Número de pieza FA3630V
Descripción For Switching Power Supply Control
Fabricantes Fuji Electric 
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No Preview Available ! FA3630V Hoja de datos, Descripción, Manual

FFAA36330V630V
s Description
FA3630V is a DC-DC converter controller.
This IC can directly drive a Nch/Pch-MOSFET.
This IC is suitable to reduce converter size because it has
many functions in a small package TSSOP.
s Features
• Low input voltage: 2.5V to 6.5V
• 2-channels PWM control: Rail-to-rail output
Output impedance of output stage = 3.5(typ.)
Nch-MOSFET driving (Ch1)
Nch/Pch-MOSFET driving (Ch2)(selected by SEL pin)
• Low power consumption: 0.7mA (typ.)
• ON/OFFcontrol: Standby current= 0.1µA (typ.)
±2% high accuracy reference voltage
• Adjustable soft start time and maximum duty cycle
• Adjustable built-in timer latch for short circuit protection
• Wide range of operation frequency: 100kHz to 1MHz
• Package: TSSOP-16 (Thin and small)
s Applications
• Power supply for general equipment
CMOS IC
For Switching Power Supply Control
s Dimensions, mm
TSSOP-16
16 9
18
5.2
0.2±0.05
0.65
0.5±0.08
s Block diagram
Pin Pin
No. symbol
Description
1 ON/OFF ON/OFF function
2 IN2+
Ch. 2 non-inverting input to error
amplifier
3 IN2–
Ch.2 inverting input to error
amplifier
4 FB2
Ch. 2 output of error amplifier
5 SEL
Selection of type of MOSFET
drived
6 GND
Ground
7 CS2
Soft start for Ch. 2
8 OUT2
Ch. 2 output (for Nch or Pch-
MOSFET)
9 OUT1
Ch.1 outout (for Nch-MOSFET)
10 CS1
Soft start for Ch.1
11 VCC
Power supply
12 VREG Regulated voltage output
13 FB1
Ch.1 output of error amplifier
14 IN1–
Ch.1 inverting input to error
amplifier
15 CP
Timing capacitor for timer latch
delay
16 CT
Oscillator timing capacitor
1

1 page




FA3630V pdf
FA3630V
L-level output voltage (VOL1) vs. output sink current (Isink1) H-level output voltage (VOH1) vs. output source current (ISOURCE1)
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
VCC=3.3V
50 100 150 200 250 300
ISINK 1 [mA]
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
VCC=3.3V
50 100 150 200 250 300
ISOURCE 1 [mA]
L-level output voltage (VOL2) vs. output sink current (Isink2) H-level output voltage (VOH2) vs. output source current (ISOURCE2)
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
VCC=3.3V
50 100 150 200 250 300
ISINK 2 [mA]
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
VCC=3.3V
50 100 150 200 250 300
ISOURCE 2 [mA]
Error amplifier voltage gain (Av) / phase (θ) vs. frequency (f)
Condition: Open loop
180
160
140
120
100
80
60
40
20
0
– 20
– 40
100
Phase
Voltage gain
1K
10K 100K 1M
10M
ƒ [HZ]
5

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