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ILC6370 Datasheet(PDF) 3 Page - Impala Linear Corporation

Part # ILC6370
Description  SOT-89 STEP UP SWITCHING REGULATOR WITH SHUTDOWN
PDF  8 Pages
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Manufacturer  IMPALA [Impala Linear Corporation]
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Logo IMPALA - Impala Linear Corporation

ILC6370 Datasheet(HTML) 3 Page - Impala Linear Corporation

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SOT-89 Step up Switching Regulator with Shutdown
Impala Linear Corporation
3
(408) 574-3939
www.impalalinear.com
July 1999
ILC6370/1 1.3
Parameter
Symbol
Conditions
Min
Typ
Max
Units
CE “High” Current
ICEH
LX: 10k
Ω pull-up to 5V, V
CE = VOUT = 4.5V
0.25
µA
CE “Low” Current
ICEL
LX: 10k
Ω pull-up to 5V, V
OUT
= 4.5V, V
CE = 0V
-0.25
µ
LX Limit Voltage
VLXLMT
LX: 10k
Ω pull-up to 5V, V
OUT = 4.5V, FOSC > FOSC x 2
(1)
0.7
1.1
V
Efficiency
EFFI
85
%
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Voltage
VOUT
4.87
5
5.000
5.125
V
Input Voltage
VIN
10
V
Oscillation Startup Voltage
VST
EXT: 10k
Ω pull-up to 5V, V
OUT = VST
0.8
V
Supply Current 1
IDD 1
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V
38.4
64.1
µA
Supply Current 2
IDD 2
EXT: 10k
Ω pull-up to 5V, V
OUT = 5.5V
6.9
13.8
µA
EXT “High” On-Resistance
REXTH
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V,
VEXT = 4.1V
30
50
Ω
EXT “Low” On-Resistance
REXTL
VEXT = 0.4V, VOUT = 5.5V
30
50
Ω
Oscillator Frequency
FOSC
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Measuring of EXT pin
85
100
115
kHz
Maximum Duty Ratio
MAXDTY
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Measuring of EXT pin
80
87
92
%
Stand-by Current
ISTB
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V
0.5
µA
CE “High” Voltage
VCEH
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Existance of LX Oscillation
0.75
V
CE “Low” Voltage
VCEL
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Stopped LX Oscillation
0.20
V
CE “High” Current
ICEH
EXT: 10k
Ω pull-up to 5V, V
OUT = VCE = 4.5V
0.25
µA
CE “Low” Current
ICEL
EXT: 10k
Ω pull-up to 5V, V
OUT = 4.5V, VCE = 0V
-0.25
µA
Efficiency
EFFI
85
%
Slow Start Time
TSS
10
msec
VOUT = 5.0V, FOSC = 100kHz, TA = 25°C; Test Circuit of figure 1
1. Switching frequency determined by delay time of internal comparator to turn LX “OFF,” and minimum “ON” time as
determined by MAXDTY spec.
VOUT = 5.0V, FOSC = 100kHz, TA = 25°C; Test Curcuit of figure 2.
Electrical Characteristics ILC6370BP-50
Electrical Characteristics ILC6371BP-50



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