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PDF FA3675F Data sheet ( Hoja de datos )
| Número de pieza | FA3675F | |
| Descripción | For Switching Power Supply Control | |
| Fabricantes | Fuji Electric | |
| Logotipo |  |
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FFAA36735F675F
s Description
FA3675F is a control IC for 6-channel DC-DC converter.
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 LQFP-48.
s Features
• 6-channel PWM control with MOSFET direct driving :
5-channel for Pch-MOSFET, 1channel for Nch-MOSFET
• Low input voltage: 2.5V to 20V
• ±1.0% high accuracy bandgap reference
• Low power consumption by means of CDMOS
Standby mode: 20µA(max.)
Operating mode: 10mA(max.)
• Soft start function for each channel
• ON/OFF function for each channel
• Timer latch for short protection
• Undervoltage lockout
• Wide range of operation frequency: 50kHz to 1MHz
• Package: LQFP-48(Thin and small)
s Application
• VTR-camera, digital-steel-camera and portable equipment
CMOS IC
For Switching Power Supply Control
s Dimensions, mm
LQFP-48
9.0±0.3
7.0
36 25
1.45 max
0.10±0.06
1 12
0.5±0.1
0.2±0.06
0.127±0.05
0~7˚
122
1 page  
FA3675F
Short-circuit protection section
Item
Threshold voltage at CP
Charge current at CP
Threshold voltage at error amplifier output
ON/OFF logic input section
Item
Input voltage for ON mode
Input voltage for OFF mode
Undervoltage lockout circuit section
Item
OFF to ON threshold voltage
Voltage hysteresis
Output section 1 (OUT1)
Item
L-level ON resistance
H-level ON resistance
Rise time
Fall time
Sink current
Output section 2 (OUT2, OUT5)
Item
L-level ON resistance
H-level ON resistance
Rise time
Fall time
Sink current
Output section 3 (OUT3, OUT4)
Item
L-level ON resistance
H-level ON resistance
Rise time
Fall time
Output section 4 (OUT6)
Item
L-level ON resistance
H-level ON resistance
Rise time
Fall time
Source current
Overall device
Item
Standby current
Operating-state supply current
Symbol
VCPTH
ICP
VFBTL
Test condition
Min.
1.39
–3.0
1.36
Typ.
1.64
–1.9
1.56
Max.
1.89
–1.0
1.76
Unit
V
µA
V
Symbol
VDH
VDL
Test condition
Vcc≤5.0V
Vcc>5.0V
Min.
1.0
1.0
0
Typ.
Max.
Vcc
+0.25
5.25
0.4
Unit
V
V
Symbol
VUVVCC
∆UVCC
Test condition
Min.
1.52
Typ.
1.72
0.1
Max.
1.92
Unit
V
V
Symbol
RONL
RONH
tr
tf
IOUT
Test condition
IO=10mA, OUT1S:GND
IO=–10mA, OUT1S:GND
CLOAD=1000pF, OUT1S:GND
CLOAD=1000pF, OUT1S:GND
OUT1S:RS1=68Ω to GND
Min.
9
Typ.
6
6
30
60
12
Max.
10
10
50
85
15
Unit
Ω
Ω
ns
ns
mA
Symbol
RONL
RONH
tr
tf
IOUT
Test condition
IO=10mA
OUT2S, OUT5S:GND
IO=–10mA
OUT2S, OUT5S:GND
CLOAD=1000pF
OUT2S, OUT5S:GND
CLOAD=1000pF
OUT2S, OUT5S:GND
OUT2S, OUT5S:
RS2, RS5=68Ω to GND
Min.
8
Typ.
10
10
40
70
11
Max.
15
Unit
Ω
15 Ω
60 ns
95 ns
14 mA
Symbol
RONL
RONH
tr
tf
Test condition
IO=10mA
IO=–10mA
CLOAD=1000pF
CLOAD=1000pF
Min.
Typ.
10
10
40
70
Max.
15
15
60
95
Unit
Ω
Ω
ns
ns
Symbol
RONL
RONH
tr
tf
IOUT
Test condition
IO=10mA, OUT6S:VCC2
IO=–10mA, OUT6S:VCC2
CLOAD=1000pF, OUT6S:VCC2
CLOAD=1000pF, OUT6S:VCC2
OUT6S:RS6=330Ω to VCC2
VCC=7V
Min.
-14
Typ.
10
10
40
70
-11
Max.
15
15
60
95
-8
Unit
Ω
Ω
ns
ns
mA
Symbol
ICCO
ICC
Test condition
Duty cycle=0%, RL= ∞
Min.
Typ.
12
4
Max.
20
6
Unit
µA
mA
126
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet FA3675F.PDF ] | |
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