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PDF FA3621F Data sheet ( Hoja de datos )
| Número de pieza | FA3621F | |
| Descripción | For Switching Power Supply Control | |
| Fabricantes | Fuji Electric | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FA3621F (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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FA3621F
s Description
FA3621F 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: 4.5V to 20V
• ±1.5% high accuracy bandgap reference
• Low power consumption by means of CDMOS
Standby mode: 10µA(max.)
Operating mode: 6mA(max.)
• Soft start function for each channel
• ON/OFF function for each channel
• Timer latch for short protection
• Overheat 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 SupplyFAC3o6n2tr1oFl
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˚
1
1 page  
Short-circuit protection section
Item
Threshold voltage at CP
Charge current at CP
Threshold voltage at error amplifier output
Symbol
VCPTH
ICP
VFBTL
Test condition
Overheat protection section
Item
Operating temperature
Hysteresis width
Symbol
TOH
∆TOH
Test condition
ON/OFF logic input section
Item
Input voltage for ON mode
Input voltage for OFF mode
Symbol
VDH
VDL
Test condition
Output section 1 (OUT1)
Item
L-level ON resistance
H-level ON resistance
Rise time
Fall time
Symbol
RONL
RONH
tr
tf
Test condition
IO=10mA
IO=–10mA
CLOAD=1000pF
CLOAD=1000pF
Output section 2 (OUT2, OUT3, OUT4, OUT5, OUT6a )
Item
L-level ON resistance
H-level ON resistance
Rise time
Fall time
Symbol
RONL
RONH
tr
tf
Test condition
IO=10mA
IO=–10mA
CLOAD=1000pF
CLOAD=1000pF
Output section 3 (OUT6b )
Item
ON resistance
Symbol
RON6b
Test condition
IO=–10mA
Overall device
Item
Standby current
Operating-state supply current
Symbol
ICCO
ICC
Test condition
Duty cycle=0%, RL= ∞
FA3621F
Min.
1.90
–3.45
Typ.
2.16
–2.30
2.16
Max.
2.42
–1.15
Unit
V
µA
V
Min.
125
45
Typ.
135
50
Max.
145
55
Unit
°C
°C
Min.
1.0
0
Typ.
Max.
5.25
0.4
Unit
V
V
Min.
Typ.
6
6
30
45
Max.
10
10
50
70
Unit
Ω
Ω
ns
ns
Min.
Typ.
10
10
40
55
Max.
15
15
60
80
Unit
Ω
Ω
ns
ns
Min.
Typ.
1
Max.
2
Unit
Ω
Min.
Typ.
3
4
Max.
10
6
Unit
µA
mA
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet FA3621F.PDF ] | |
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