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參數(shù)資料
| 型號(hào)： | ILC6380CP-25 |
| 廠(chǎng)商： | Impala Linear Corporation |
| 英文描述： | SOT-89 STEP-UP DUAL-MODE SWITCHER WITH SHUTDOWN |
| 中文描述： | 采用SOT - 89 -向上雙路降壓模式可關(guān)斷開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大?。?/td> | 186K |
| 代理商： | ILC6380CP-25 |
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
V
OUT
V
LX
I
LX
V
EXT
I
EXT
V
CE
P
D
T
OPR
T
STG
Ratings
12
12
400
Units
V
V
mA
V
mA
V
mW
°C
°C
V
OUT
Input Voltage
Voltage on pin L
X
Current on pin L
X
Voltage on pin EXT
Current on pin EXT
CE Input Voltage
Continuous Total Power Dissipation
Operating Ambient Temperature
Storage Temperature
V
SS
-0.3~V
OUT
+0.3
±50
12
500
-30~+80
-40~+125
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
V
OUT
V
IN
V
ST
Conditions
Min
4.875 5.000 5.125
Typ
Max
Units
V
V
V
Output Voltage
Input Voltage
Oscillation Startup
Voltage
Operation Startup
Voltage
No-Load Input Current
Supply Current 1
(See Note 2)
Supply Current 2
L
X
Switch-On
Resistance
L
X
Leakage Current
Oscillator Freq.
L
X
= 10k
pull-up to 5V, V
OUT
= V
ST
10
0.8
V
ST1
I
OUT
= 1mA
0.9
V
I
IN
I
DD
1
I
OUT
= 0mA
(See Note 1)
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V
23.0
78.6
46.0
131.1
μA
μA
I
DD
2
R
SWON
L
X
= 10k
pull-up to 5V, V
OUT
= 5.5V
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V
6.9
1.3
13.8
2.3
μA
I
LXL
F
OSC
No external components, V
OUT
= VL
X
= 10V
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V,
Measuring of L
X
waveform
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V,
Measuring of L
X
on-time
V
IN
= 4.75V, Measuring of L
X
on-time
L
X
= 10k
pull-up to 5V, V
OUT
=4.5V
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V,
Existence of L
X
Oscillation
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V,
Stopped L
X
Oscillation
L
X
= 10k
pull-up to 5V, V
OUT
= V
CE
= 4.5V
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V,
V
CE
= 0V
L
X
= 10k
pull-up to 5V, V
OUT
= 4.5V,
F
OSC
> F
OSC
x 2
(See Note 2)
1.0
115
μA
kHz
85
100
Maximum Duty Ration
MAXDTY
80
87
92
%
PFM Duty Ration
Stand-by Current
CE “High” Voltage
PFMDTY
I
STB
V
CEH
5
10
20
0.5
%
μA
V
0.75
CE “Low” Voltage
V
CEL
0.20
V
CE “High” Current
CE “Low” Current
I
CEH
I
CEL
0.25
-0.25
μA
μA
L
X
Limit Voltage
V
LXLMT
0.7
1.1
V
Efficiency
Slow Start Time
EFFI
T
SS
85
10
%
msec
V
OUT
= 5.0V, F
OSC
= 100kHz T
A
- 25°C. Unless otherwise specified, V
IN
= V
OUT
x 0.6, I
OUT
= 50mA. See schematic, figure 3
Absolute Maximum Ratings (T
A
= 25°C)
Electrical Characteristics
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