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EC3689 Datasheet(PDF) 4 Page - E-CMOS Corporation

Part # EC3689
Description  800KHz Synchronous Step-up Converter with 5.5A Switches
PDF  8 Pages
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Manufacturer  E-CMOS [E-CMOS Corporation]
Direct Link  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC3689 Datasheet(HTML) 4 Page - E-CMOS Corporation

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E-CMOS Corp. (www.ecmos.com.tw)
Page 4 of 8
4E02N-Rev.P001
800KHz Synchronous Step-up
Converter with 5.5A Switches
EC3689
Electrical Characteristics
TA = +25°C, 2.9V ≤ VIN ≤ 5.5V, unless otherwise noted. Typical values are at VIN= VEN =3.6V and VOUT=5V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage range VIN
2.5
5.5
V
Input Under-voltage Lockout
Threshold VUVLO
2.2
V
Output voltage adjustable
range VOUT
2.5
5.5
V
Fixed Output Voltage
FB=GND
4.95
5.05
5.15
V
Feedback voltage VFB
490
500
510
mV
Oscillator frequency fOSC
640
800
960
KHz
NCH Switch Current Limit
VOUT= 5V
5.5
A
NCH Switch on resistance
VOUT= 5V
75
m
Ω
PCH Switch on resistance
VOUT= 5V
75
m
Ω
Shutdown Current
VEN = 0V, VIN = 3.6V
0.1
1
µA
Quiescent Current(VIN)
VFB=0.55V, VOUT=5V
125
200
uA
EN Logic Low Voltage
0.4
V
EN Logic High Voltage
1.4
V
EN Leakage Current
Clamped on GND or VIN
-1
1
uA
Thermal Shutdown
150
℃
Thermal Shutdown Hysteresis
20
℃



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