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ILC6375 Datasheet(PDF) 3 Page - Impala Linear Corporation

Part # ILC6375
Description  1 AMP SOT - 89 STEP DOWN PWM SWITCHER CONTROLLER
PDF  4 Pages
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Manufacturer  IMPALA [Impala Linear Corporation]
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Logo IMPALA - Impala Linear Corporation

ILC6375 Datasheet(HTML) 3 Page - Impala Linear Corporation

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Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Voltage
VOUT
3.218
3.300
3.383
V
Input Voltage
VIN
10
V
Supply Current 1
IDD 1
3V applied to VOUT with no
external components
20
33
µA
Supply Current 2
IDD 2
3.6V applied to VOUT with no
external components
16
27
µA
EXT “High” ON Resistance
REXTH
3.6V applied to VOUT with no
external components,VEXT = 3.6V
57
95
Ω
EXT “Low” ON Resistance
REXTL
3V applied to VOUT with no
external components, VEXT = 0.4V
46
76
Ω
Oscillator Frequency
FOSC
Measure Frequency at EXT pin
85
100
115
kHz
Maximum Duty Ratio
MAXDTY
Measure Duty Cycle at EXT pin
100
%
Efficiency
EFFI
90
%
Soft Start Time
TSS
10
ms
VOUT = 3.3V FOSC = 100kHz TA = 25
o
C,unless otherwise specified, VIN = 4V, I OUT = 55mA, See test circuit, figure 1.
VIN
SD
+
V
OU T
1
32
45
ILC6375
C
L
GND
L
Tr
R
B
C
IN +
( 5V )
( 5V to 10V )
Figure 1: ILC6375 Typical Application
L:
100mH (SUMIDA CD-54)
SD:
Shottkey Diode (MATSUSHITA MA735
CIN:
10mF/16V Tantalum Capacitor (NICHICON F93)
CL:
47mF/10V Tantalum Capacitor (NICHICON F93)
Tr:
PNP Transistor (TOSHIBA 2SA1213)
RB
1k
Ω
1 Amp SOT-89 Step Down PWM Switcher Controller
Impala Linear Corporation
3
(408) 574-3939
www.impalalinear.com
June 1999
ILC6375 1.1
Electrical Characteristics ILC6375CP-33
Applications Circuits



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