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EC9211 Datasheet(PDF) 5 Page - E-CMOS Corporation

Part # EC9211
Description  High Efficiency 1.5MHz, Step up Regulator
PDF  15 Pages
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Manufacturer  E-CMOS [E-CMOS Corporation]
Direct Link  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC9211 Datasheet(HTML) 5 Page - E-CMOS Corporation

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High Efficiency 1.5MHz, Step up Regulator
EC9211
E-CMOS Corp. (www.ecmos.com.tw)
Page 5 of 15
3G24N-Rev.P001
Electrical Characteristics
(TA=25°C, Unless otherwise specified)
Symbol Parameter
Test Conditions
EC9211
Unit
Min.
Typ.
Max.
VIN
Input Voltage
TA=‐40~85℃ TJ=-40~120℃
2.7
---
6
V
IDD1
Input DC Bias Current
VFB=1.3V,no switching
---
300
‐---
uA
IDD2
VFB=1.1V, switching
---
2
5
mA
ISD
EN=GND
---
‐---
1
µA
UVLO Threshold Voltage
VIN Rising
2.0
2.2
2.4
V
UVLO Hysteresis Voltage
VIN Falling
50
100
150
mV
VREF
Regulated Feedback Voltage
VIN=2.7V~6V, TA = 25 ℃
1.212
1.23
1.248
V
VIN=2.7V~6V, TA = -40 ~ 85 ℃
1.205
---
1.255
IFB
FB Input Current
-50
---
50
nA
FSW
Switching Frequency
1.25
1.5
1.75
MHz
RON
Power Switch On Resistance
---
0.2
---
Ω
ILIM
Power Switch Current Limit
2.2
---
---
A
LX Leakage Current
VEN = 0V, VLX = 0V or 6V,
VIN = 6V
-1
---
1
uA
DMAX
LX Maximum Duty Cycle
92
95
98
%
TSS
Soft‐Start Duration
---
2
3
ms
VTEN
EN Voltage Threshold
VEN Rising
0.4
0.7
1
V
EN Voltage Hysteresis
---
0.1
---
V
ILEN
EN Leakage Current
VEN=5V, VIN = 5V
-1
---
1
uA
TOTP
Over‐Temperature Protection
TJ Rising
---
150
---
℃
Over‐Temperature Protection
TJ Falling
---
40
---
℃



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