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ILC6380CP-50 数据表(PDF) 2 Page - Impala Linear Corporation

部件名 ILC6380CP-50
功能描述  SOT-89 STEP-UP DUAL-MODE SWITCHER WITH SHUTDOWN
Download  6 Pages
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制造商  IMPALA [Impala Linear Corporation]
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标志 IMPALA - Impala Linear Corporation

ILC6380CP-50 数据表(HTML) 2 Page - Impala Linear Corporation

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SOT-89 Step-up Dual-Mode Switcher with Shutdown
Impala Linear Corporation
2
(408) 574-3939
www.impalalinear.com
Sept 1999
ILC6380/1 1.4
Parameter
Symbol
Ratings
Units
VOUT Input Voltage
VOUT
12
V
Voltage on pin LX
VLX
12
V
Current on pin LX
ILX
400
mA
Voltage on pin EXT
VEXT
VSS-0.3~VOUT+0.3
V
Current on pin EXT
IEXT
±50
mA
CE Input Voltage
VCE
12
V
Continuous Total Power Dissipation
PD
500
mW
Operating Ambient Temperature
TOPR
-30~+80
°C
Storage Temperature
TSTG
-40~+125
°C
Stresses above those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent device failure. Functionality at
or above these limits is not implied. Exposure to absolute maximum ratings for extended periods may affect device reliabil-
ity. Operating ranges define those limits between which the functionality of the device is guaranteed.
Notes:
1. The Schottky diode (S.D.), in figure 3 must be type MA735, with Reverse current (IR) < 1.0µA at reverse voltage (VR)=10.0V
2. “Supply Current 1” is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator
periodically operates which results in less average power consumption.
The current that is actually provided by external VIN source is represented by “No-Load Input Current(IIN)”
3. Switching frequency is determined by delay time of internal comparator to turn Lx “off”, and minimum “on” time as determined
by MAXDTY spec.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Voltage
VOUT
4.875
5.000
5.125
V
Input Voltage
VIN
10
V
Oscillation Startup
Voltage
VST
LX = 10k
Ω pull-up to 5V, V
OUT = VST
0.8
V
Operation Startup
Voltage
VST1
IOUT = 1mA
0.9
V
No-Load Input Current
IIN
IOUT = 0mA (See Note 1)
23.0
46.0
µA
Supply Current 1
(See Note 2)
IDD 1
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V
78.6
131.1
µA
Supply Current 2
IDD 2
LX = 10k
Ω pull-up to 5V, V
OUT = 5.5V
6.9
13.8
µA
LX Switch-On
Resistance
RSWON
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V
1.3
2.3
LX Leakage Current
ILXL
No external components, VOUT = VLX = 10V
1.0
µA
Oscillator Freq.
FOSC
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Measuring of LX waveform
85
100
115
kHz
Maximum Duty Ration
MAXDTY
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Measuring of LX on-time
80
87
92
%
PFM Duty Ration
PFMDTY
VIN = 4.75V, Measuring of LX on-time
5
10
20
%
Stand-by Current
ISTB
LX = 10k
Ω pull-up to 5V, V
OUT =4.5V
0.5
µA
CE “High” Voltage
VCEH
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Existence of LX Oscillation
0.75
V
CE “Low” Voltage
VCEL
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V,
Stopped LX Oscillation
0.20
V
CE “High” Current
ICEH
LX = 10k
Ω pull-up to 5V, V
OUT = VCE = 4.5V
0.25
µA
CE “Low” Current
ICEL
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V,
VCE = 0V
-0.25
µA
LX Limit Voltage
VLXLMT
LX = 10k
Ω pull-up to 5V, V
OUT = 4.5V,
FOSC > FOSC x 2 (See Note 2)
0.7
1.1
V
Efficiency
EFFI
85
%
Slow Start Time
TSS
10
msec
VOUT = 5.0V, FOSC = 100kHz TA - 25°C. Unless otherwise specified, VIN = VOUT x 0.6, IOUT = 50mA. See schematic, figure 3
Absolute Maximum Ratings (TA = 25°C)
Electrical Characteristics


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