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PDF IL34063A Data sheet ( Hoja de datos )
| Número de pieza | IL34063A | |
| Descripción | DC-To-DC Converter | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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TECHNICAL DATA
DC-TO-DC CONVERTER CONTROL CIRCUITS
IL34063A
The IL34063A is a monolithic control circuit containing the primary functions required for DC-to-DC converters.
These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator
with an active current limit circuit, driver and high current output switch. This series was specifically designed to be
incorporated in Step-Down and Step-Up and Voltage-Inverting applications with a minimum number of external
components.
FEATURES
• Operation from 3.0 V to 40 V Input
m• Low Standby Current
o• Current Limiting
• Output Switch Current to 1.5 A
.c• Output Voltage Adjustable
• Frequency Operation to 100 kHz
U• Precision 2% Reference
FUNCTIONAL BLOCK DIAGRAM
heet4MAXIMUM RATINGS
SRating
taPower Supply Voltage
Comparator Input Voltage Range
aSwitch Collector Voltage
Switch Emitter Voltage (Vpin 1 = 40 V)
.DSwitch Collector to Emitter Voltage
Driver Collector Voltage
Driver Collector Current (Note 1)
wSwitch Current
Power Dissipation and Thermal Characteristics
wCeramic Package, U Suffix TA = +25°C
Thermal Resistance
wPlastic Package, P Suffix TA = +25°C
Symbol
VCC
VIR
VC(switch)
VE(switch)
VCE(switch)
IC(driver)
IC(driver)
ISW
PD
RθJA
PD
Value
Unit
40 Vdc
-0.3 to +40 Vdc
40 Vdc
40 Vdc
40 Vdc
40 Vdc
100 mA
1.5 A
1.25 W
100 °C/W
1.25 W
Thermal Resistance
RθJA 100 °C/W
SOIC Package, D Suffix TA = +25°C
PD 625 mW °C/W
Thermal Resistance
RθJA
160
Operating Junction Temperature
TJ
+150
°C
Operating Ambient Temperature Range
TA -40 to +85 °C
Storage Temperature Range
Tstg -65to+150 °C
www.Data1Sheet4U.com
1 page  
Step-Down Converter
IL34063A
RSC
0.33Ω
C2
100 µF
+
8
DRC
7
Ipk
6
Vcc
5
Cll
1
SWC
2
SWE
3
TC
4
GND
34063A/E
C3
470pF
BYV10-40
D1
L1
220µH
R1
1.2kΩ
R2
3.6kΩ
C1
470µF
+
Test Condition (VOUT = 5 V)
Test
Conditions
Line Regulation
Load Regulation
VIN = 15 to 25 V, IO = 500 mA
VIN = 25 V, IO = 50 to 500 mA
Output Ripple
Efficiency
ISC
VIN = 25 V, IO = 500 mA
VIN = 25 V, IO = 500 mA
VIN = 25 V, RLOAD = 0.1 Ω
Value (Typ)
5
30
100
80
1.2
Unit
mV
mV
mV
%
A
5
5 Page 
A
85
B
14
N SUFFIX PLASTIC DIP
(MS – 001BA)
FL
C
-T- SEATING
PLANE
N
G KM
D
0.25 (0.010) M T
J
H
NOTES:
1. Dimensions “A”, “B” do not include mold flash or protrusions.
Maximum mold flash or protrusions 0.25 mm (0.010) per side.
IL34063A
Symbol
A
B
C
D
F
G
H
J
K
L
M
N
Dimension, mm
MIN MAX
8.51 10.16
6.1 7.11
5.33
0.36 0.56
1.14 1.78
2.54
7.62
0° 10°
2.92 3.81
7.62 8.26
0.2 0.36
0.38
D SUFFIX SOIC
(MS - 012AA)
A
85
H BP
1 G4
C
-T-
D
SEATING
K PLANE
J
0.25 (0.010) M T C M
R x 45
F
NOTES:
1. Dimensions A and B do not include mold flash or protrusion.
2. Maximum mold flash or protrusion 0.15 mm (0.006) per side
for A; for B ‑ 0.25 mm (0.010) per side.
Dimension, mm
Symbol MIN
MAX
A 4.8 5
B 3.8 4
C 1.35 1.75
D 0.33 0.51
F 0.4 1.27
G
M
H
1.27
5.72
J 0° 8°
K 0.1 0.25
M 0.19 0.25
P 5.8 6.2
R 0.25 0.5
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet IL34063A.PDF ] | |
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