LV58063MC Datasheet, PDF (2/5 Pages) Sanyo Semicon Device – Step-down Switching Regulator

LV58063MC
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Conditions
Conditions
Ratings
Unit
Maximum input VIN voltage
BOOT pin maximum voltage
SW pin maximum voltage
BOOT pin-SW pin maximum voltage
FB, EN, COMP, SS pin maximum
voltage
Allowable power dissipation
VIN max
VBT max
VSW max
VBS-SW max
Vfs max
Pd max
Mount on a specified board *
32
V
37
V
VIN max
V
7
V
7
V
2.05
W
Junction temperature
Tj max
150
°C
Operating temperature
Topr
-20 to +80
°C
Storage temperature
Tstg
-40 to +150
°C
* Specified board: 46.4mm × 31.8mm ×1.7mm, glass epoxy.
Note: Plan the maximum voltage while including coil and surge voltages, so that the maximum voltage is not exceeded even for an instant.
Recommended Operating Conditions at Ta = 25°C
Parameter
Conditions
Conditions
VIN pin voltage
BOOT pin voltage
SW pin voltage
BOOT pin-SW pin voltage
FB, EN, COMP, SS pin voltage
VIN
VBT
VSW
VBS-SW
VFSO
Ratings
Unit
8 to 28
V
-0.3 to 34
V
-0.4 to VIN
V
6.5
V
6
V
Electrical Characteristics at Ta = 25°C VIN = 12V, unless otherwise specified.
Parameter
Conditions
Conditions
IC current drain at standby
IC current drain in operation
Efficiency
Reference voltage
FB pin bias current
ICC1
ICC2
Effcy
Vref
Iref
EN=0V
EN=open, FB=1V
VIN=12V, IOUT=1A, VO=5V
Design target: *1
VIN=8V to 28V (±2%)
FB=0.8V application
High-side ON resistance
RonH
BOOT=5V
Low-side ON resistance
RonL
Oscillation frequency
Oscillation frequency during
short-circuit protection
EN high-threshold voltage
FOSC
FOSCS
Venh
EN low-threshold voltage
Venl
EN pull-up corrent
Ien
EN=0V
Maximum ON DUTY
D max
Current limit peak value 1
Icl1
Thermal shutdown temperature
Ttsd
VIN=12V, VOUT=5V, L=10μH
*Design guarantee *2
Thermal shutdown temperature
hysteresis
Soft start current
Dtsd
ISS
*Design guarantee *2
SS=0V
*1: Reference value (not tested before shipment)
*2: Design guarantee (value guaranteed by design and not tested before shipment)
min
-2%
296
30
0.8
3.8
6
Ratings
typ
70
5
90
0.8
10
0.13
7
370
38
16
80
160
40
10
Unit
max
μA
mA
%
+2%
V
100
nA
Ω
Ω
444 kHz
46 kHz
1.9
V
V
μA
%
A
°C
°C
14
μA
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