ILC6370 Просмотр технического описания (PDF) - Impala Linear Corporation
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ILC6370 Datasheet PDF : 8 Pages
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SOT-89 Step up Switching Regulator with Shutdown
Absolute Maximum Ratings (TA = 25°C)
Parameter
VOUT Input Voltage Pin
CE Input Voltage
Voltage on pin LX
Current on pin LX
Voltage on pin EXT
Current pin EXT
Continuous Total Power Dissipation
(SOT-89-5)
Operating Ambient Temperature
Storage Temperature
Symbol
VOUT
VCE
VLX
ILX
VEXT
IEXT
PD
TOPR
TSTG
Ratings
12
12
12
400
0.3 ~VOUT +0.3
+50
500
-30~+80
-40~+125
Units
V
V
V
mA
V
mA
mW
οC
οC
Elcetrical Characteristics ILC6370BP-50
VOUT = 5.0V, FOSC = 100kHz, TA = 25°C, Test Circuit of figure 1
Parameter
Symbol
Conditions
Output Voltage
Input Voltage
Oscillation Startup Voltage
Operation Startup Voltage
VOUT
VIN
VST2
VST1
LX :10kΩ Pull-up to.5V, VOUT = VST
IOUT +1mA
Supply Current 1
IDD1
LX :10kΩ Pull-up to.5V, VOUT = 4.5V
Supply Current 1
LX Switch-On Resistance
LX Leakage Current
Oscillator Frequency
Maximum Duty Ratio
IDD2
RSWON
ILXL
FOSC
MAXDTY
Open Loop Measurement, VS/D = VIN,
VLX =VIN- 0.4V, VOUT = 3V
Open Loop Measurement, VOUT = VIN,
VLX = 0V
Measure Waveform at EXT pin VIN = 3.6V
IOUT = 20mA
No Load
Satndb-by Current
CE "High " Voltage
CE "Low " Voltage
ISTB
VCEH
VCEL
Minimum VIN When Vref does not start up
Vref rises to 0V from 0.9V
Min
3.218
500
Typ
3.300
600
55
1.5
0.64
Max
3.383
10
86
2.5
0.85
Units
V
V
mA
µA
µA
Ω
2.0
µA
255 300 345 KHz
100
%
10
17
25
%
95
%
1
1.8
V
6.0 10.0 16.0 msec
Note: Unless otherwise spcified, VIN = VOUT x 0.6, IOUT = 50mA. See Schematic, figure 1.
Impala Linear Corporation
ILC6370/1 1.3
(408) 574-3939 www.impalalinear.com
July 1999 2
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