LV56351JA Datasheet, PDF (2/8 Pages) Sanyo Semicon Device – Bi-CMOS IC 1ch DC/DC boost converter

LV56351JA
Recommended Operating Conditions at Ta = 25°C
Parameter
VCC supply voltage
LDOIN input voltage
SW voltage
EN voltage
Symbol
VCC
VLDOIN
VSW
VEN
Conditions
Ratings
Unit
8 to 23
V
8 to 28
V
-0.3 to 28
V
0 to 23
V
Electrical Characteristics at Ta = 25°C, VCC = 12V, VEN=2V, LDOIN=16V, LDOOUT=15V
Parameter
Symbol
Conditions
Ratings
min
typ
All
Supply current
Reference voltage
ICC
IOFF
VREF
Switching is turned off
EN=0V
1.8
1.2348
1.26
Enable voltage
Disable voltage
EN input current
PGOOD threshold
PGOOD sink current
PGOOD leak current
UVLO on voltage
Thermal shutdown temperature
TSD hysteresis
DC/DC boost converter
VEN
VDIS
IEN
VPG
IPG
IPGLK
VUVLO
TTSD
THYS
VEN=2.0V
IN1≥VREF×85% and IN2≥VREF×85%
VPGOOD=0.5V
VPGOOD=2V
*2
*2
2.0
VREF×0.85
1.0
7.0
130
30
FB output voltage ”Low”
FB output voltage “High”
Soft-start time
Oscillator frequency
Max on duty
SW on resistance
SW peak current
SCP source current
SCP threshold
DDCTL on voltage
DDCTL off voltage
DDCTL input current
LDO
FBLOW
FBHIGH
TSS
FOSC
DMAX
RON
IPK
ISCP
VSCP
VDDCTLON
VDDCTLOFF
IDDCTL
IN1=2.0V, IFB=-20μA (Sink)
IN1=0.2V, IFB=20μA (Sink)
DC/DC OFF
DC/DC ON
VDDCTL=2V
1.8
2.8
425
78
85
0.7
1.5
1.8
4.8
VREF
2.0
Maximum output current
Line regulation
Load regulation
Dropout voltage
Short current
IOMAX
RLN
RLD
VDROP
ISHORT
16V<LDOIN<21V
10mA<IO<300mA
IO=300mA
LDOOUT=GND
350
520
0.25
*2: Design guarantee value.
Unit
max
3.5 mA
10 μA
1.2852
V
V
0.4
V
10 μA
V
mA
10 μA
V
°C
°C
0.2
V
V
ms
kHz
92
%
Ω
A
μA
V
V
0.4
V
20 μA
670 mA
20 mV
20 mV
0.4
V
100 mA
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