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ENA2145 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part # ENA2145
Description  1ch DC/DC boost converter
Download  9 Pages
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

ENA2145 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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LV56351HA
No.A2145-2/9
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC supply voltage
VCC
8 to 23
V
LDOIN input voltage
VLDOIN
8 to 28
V
SW voltage
VSW
-0.3 to 28
V
EN voltage
VEN
0 to 23
V
Electrical Characteristics at Ta
= 25°C, VCC = 12V, VEN=2V, LDOIN=16V, LDOOUT=15V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
All
Supply current1
ICC
Switching is turned off
1.8
3.5
mA
Supply current2
IOFF
EN = 0V
10
μA
Reference voltage
VREF
1.2348
1.26
1.2852
V
Enable voltage
VEN
2.0
V
Disable voltage
VDIS
0.4
V
EN input current
IEN
VEN = 2.0V
10
μA
PGOOD threshold
VPG
IN1 ≥ VREF
×85% and IN2 ≥ VREF×85%
VREF
×0.85
V
PGOOD sink current
IPG
VPGOOD = 0.5V
1.0
mA
PGOOD leak current
IPGLK
VPGOOD = 2V
10
μA
UVLO on voltage
VUVLO
7.0
V
Thermal shutdown temperature
TTSD
*2
130
°C
TSD hysteresis
THYS
*2
30
°C
DC/DC boost converter
FB output voltage ”Low”
FBLow
IN1 = 2.0V, IFB = -20μA (Sink)
0.2
V
FB output voltage “High”
FBHigh
IN1 = 0.2V, IFB = 20μA (Source)
1.8
V
Soft-start time
TSS
2.8
ms
Oscillator frequency
FOSC
425
kHz
Max on duty
DMAX
78
85
92
%
SW on resistance
RON
0.7
Ω
SW peak current
IPK
1.5
1.8
A
SCP source current
ISCP
4.8
μA
SCP threshold
VSCP
VREF
V
DDCTL on voltage
VDDCTLON
DC/DC Off
2.0
V
DDCTL off voltage
VDDCTLOFF
DC/DC On
0.4
V
DDCTL input current
IDDCTL
VDDCTL = 2V
20
μA
LDO
Maximum output current
IOMAX
350
520
670
mA
Line regulation
RLN
16V
< LDOIN < 21V
20
mV
Load regulation
RLD
10mA
< IO < 300mA
20
mV
Dropout voltage
VDROP
IO = 300mA
0.25
0.4
V
Short current
ISHORT
LDOOUT = GND
100
mA
*2: Design guarantee value.


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