ILC6371 데이터 시트보기 (PDF) - Fairchild Semiconductor
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ILC6371 Datasheet PDF : 9 Pages
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ILC6370/71
Electrical Characteristics ILC6370BP-50
VOUT = 5.0V, FOSC = 100kHz, TA = 25°C; Test Circuit of figure 1
Parameter
Symbol
Conditions
Min. Typ. Max. Units
CE “High” Current
CE “Low” Current
LX Limit Voltage
Efficiency
ICEH
LX: 10kΩ pull-up to 5V, VCE =VOUT =4.5V
ICEL
LX: 10kΩ pull-up to 5V, VOUT=4.5V, VCE=0V
VLXLMT LX: 10kΩ pull-up to 5V, VOUT=4.5V, FOSC > 0.7
FOSC x 2 (Note 1)
EFFI
0.25 µA
-0.25 µ
1.1
V
85
%
Notes:
1. Switching frequency determined by delay time of internal comparator to turn LX “OFF,” and minimum “ON” time as deter-
mined by MAXDTY spec.
Electrical Characteristics ILC6371BP-50
VOUT = 5.0V, FOSC = 100kHz, TA = 25°C; Test Circuit of figure 2.
Parameter
Output Voltage
Input Voltage
Oscillation Startup
Voltage
Supply Current 1
Supply Current 2
EXT “High”
On-Resistance
EXT “Low”
On-Resistance
Oscillator
Frequency
Maximum Duty
Ratio
Stand-by Current
CE “High” Voltage
CE “Low” Voltage
CE “High” Current
CE “Low” Current
Efficiency
Slow Start Time
Symbol
VOUT
Conditions
VIN
VST
EXT: 10kΩ pull-up to 5V, VOUT = VST
IDD 1
IDD 2
REXTH
REXTL
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V
EXT: 10kΩ pull-up to 5V, VOUT = 5.5
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V,
VEXT = 4.1V
VEXT = 0.4V, VOUT = 5.5V
FOSC
MAXDTY
ISTB
VCEH
VCEL
ICEH
ICEL
EFFI
TSS
EXT: 10kΩ pull-up to 5V, VOUT= 4.5V,
Measuring of EXT pin
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V,
Measuring of EXT pin
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V,
Existence of LX Oscillation
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V,
Stopped LX Oscillation
EXT: 10kΩ pull-up to 5V, VOUT =
VCE = 4.5V
EXT: 10kΩ pull-up to 5V, VOUT = 4.5V,
VCE = 0V
Min.
4.87
5
85
80
0.75
Typ.
5.000
Max.
5.125
Units
V
10
V
0.8
V
38.4 64.1
µA
6.9
13.8
µA
30
50
Ω
30
50
Ω
100
115
kHz
87
92
%
0.5
µA
V
0.20
V
0.25
µA
-0.25
µA
85
%
10
msec
©2001 Fairchild Semiconductor Corporation
3
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