參數(shù)資料
型號(hào)： EL7583IRZ
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： 3-Channel DC-DC Converter
中文描述： 0.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO20
封裝： LEAD FREE, MO-153, TSSOP-20
文件頁(yè)數(shù)： 2/15頁(yè)
文件大?。?/td> 778K
代理商： EL7583IRZ
Absolute Maximum Ratings
(T
A
= 25°C)
V
IN
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V
V
DDB
, V
DDP
, V
DDN
LX Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . . . 0.5A
18V
Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Die Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .125°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
2
FN7335.3
February 4, 2005
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are
at the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Specifications
V
IN
= 3.3V, V
BOOST
= 12V, R
OSC
=
100k
, T
A
= 25°C Unless Otherwise Specified
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
DC/DC BOOST CONVERTER
IQ1_B
Quiescent Current - Shut-down
ENBN = ENP = 0V
0.8
10
μA
IQ2_B
Quiescent Current - Switching
ENBN = V
DDB
4.8
8
mA
V(FBB)
Feedback Voltage
1.275
1.300
1.325
V
V
REF
Reference Voltage
1.260
1.310
1.360
V
V
ROSC
Oscillator Set Voltage
1.260
1.325
1.390
V
I(FBB)
Feedback Input Bias Current
0.1
μA
V
DDB
Boost Converter Supply Range
2
17
V
D
MAX
Maximum Duty Cycle
85
92
%
I(LX)
MAX
Peak Internal FET Current
1.75
A
R
DS-ON
Switch On Resistance
at V
BOOST
= 10V, I(LX) total = 350mA
0.22
I
LEAK-SWITCH
Switch Leakage Current
I(LX) total
1
μA
V
BOOST
Output Range
V
BOOST
> V
IN
+ V
DIODE
5
17
V
V
BOOST
/
V
IN
Line Regulation
2.7V < V
IN
< 13.2V, V
BOOST
= 15V
0.1
%
V
BOOST
/
I
O1
Load Regulation
50mA < I
O1
< 250mA
0.5
%
F
OSC-RANGE
Frequency Range
R
OSC
range = 240k
to 60k
200
1000
kHz
F
OSC1
Switching Frequency
R
OSC
= 100k
620
680
750
kHz
POSITIVE REGULATED CHARGE PUMP (V
ON
)
Most positive V
ON
output depends on the magnitude of the V
DDP
input voltage (normally connected to V
BOOST
) and the external component
configuration (doubler or tripler)
V
DDP
Supply Input for Positive Charge Pump
Usually connected to V
BOOST
output
5
17
V
IQ1(V
DDP
)
Quiescent Current - Shut-down
ENP = 0V
11.5
20
μA
IQ2(V
DDP
)
Quiescent Current - Switching
ENBN = ENP = V
DDB
2.3
5
mA
V(FBP)
Feedback Reference Voltage
1.245
1.310
1.375
V
I(FBP)
Feedback Input Bias Current
0.1
μA
I(DRVP)
RMS DRVP Output Current
V
DDP
= 12V
60
mA
V
DDP
= 6V
15
mA
ILR_V
ON
Load Regulation
5mA < I
L
< 15mA
-0.5
0.03
0.5
%/mA
F
PUMP
Charge Pump Frequency
Frequency set by R
OSC
- see boost section
0.5*F
OSC
EL7583
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