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EC3651 Datasheet(PDF) 4 Page - E-CMOS Corporation

Part # EC3651
Description  16V 3A 4-Switch Buck-Boost Converter
PDF  10 Pages
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Manufacturer  E-CMOS [E-CMOS Corporation]
Direct Link  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC3651 Datasheet(HTML) 4 Page - E-CMOS Corporation

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EC3651
E-CMOS Corp. (www.ecmos.com.tw)
7I08N-Rev. F001
16V 3A 4-Switch Buck-Boost Converter
4/10
Electrical Characteristics
Notes:
5) Guaranteed by design.
VIN=12V, TA=25
, unless otherwise stated
Item
Symbol
Condition
Min.
Typ.
Max
.
Units
General parameters
VIN voltage range
VIN
3.0
16
V
VIN under voltage lockout
VINUVLO
VIN increasing
2.9
3.0
3.
1
V
VIN UVLO hysteresis
VINHYS
320
400
48
0
mV
VCC output voltage
VCC
4.8
4.9
5.
0
V
VCC output current limit
IVCC
VVCC=0V
50
mA
Supply current in shut-
down mode
IQ
VIN=12V, VEN=0V
50
80
µA
EN Logic HIGH
VENH
VEN increasing
2.
0
V
EN Logic LOW
VENL
VEN decreasing
1.6
V
Switch frequency
Fsw
Optional switch
frequency through tri
m
400
500
60
0
kHz
Switch minimum off time
Toff_min
80
100
12
0
ns
Bucktop switch on-resistance
RdsbkTG
20
28
m
Buck bottom switch on-
resistance
RdsbkBG
20
28
m
Boost top switch on-resistance
RdsbstTG
20
28
m
Boost bottom switch on-
resistance
RdsbstBG
20
28
m
Feedback voltage
VFB
0.88
6
0.9
0.9
14
V
Input average current limit
IIN_LIM
R1=10m ;
R2=R3=3k ;
3
A
OLIM pin output current sense r
atio
KOLIM
IO=2A
4
5
6
µA/A
OLIM pin regulate voltage
VOLIM
380
400
42
0
mV
Output average current limit
IO_LIM
ROLIM=40K
1.9
2
2.
1
A
Buck region, (IL Valley)
ICOMP(MA
X)
VVCC
4.8V
7
A
Boost region, (IL Peak)
VVCC
4.8V
7
Protection
VO over voltage threshold
VO_OVP
VO increasing
23.2
V
VO decreasing
21.5
V
VO OVP deglitch time
tOVP
1.8
2
2.
2
µS
Thermal shutdown threshold5)
TSHUT
150
°C
Thermal recovery threshold5)
TREC
130
°C



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