ISL8201MIRZ(2009) 데이터 시트보기 (PDF) - Intersil
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ISL8201MIRZ Datasheet PDF : 16 Pages
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ISL8201M
Electrical Specifications
TA = +25°C. VIN = 12V, VOUT = 1.5V. CIN = 220µFx1, 10µF/Ceramicx2, COUT = 330µF (ESR = 10mΩ),
22µF/Ceramicx3. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified.
Temperature limits established by characterization and are not production tested. (Continued)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Internal Resistor Between VOUT and FB Pins
Disabled Threshold Voltage (COMP/EN)
Reference Voltage
Reference Voltage Tolerance
RFB-TI
VENDIS
VREF
(Note 3)
(Note 3)
0°C to +70°C (Note 3)
9.66 9.76 9.85 kΩ
0.375 0.4 0.425 V
- 0.6 -
V
-1.0 - +1.0 %
-40°C to +85°C (Note 3)
-1.5 - +1.5 %
FAULT PROTECTION
Internal Resistor Between ISET and PGND Pins RSET-IN
ISET Current Source
ISET
(Note 3)
NOTE:
3. Parameters are 100% tested for internal IC prior to module assembly.
- 3.57 -
kΩ
18.0 21.5 23.5 µA
Typical Performance Characteristics
Efficiency Performance
100
TA = +25°C, VIN = PVCC (PVCC=5V for 18VIN) , CIN = 220µFx1, 10µF/Ceramicx2, COUT = 330µF (ESR = 10mΩ),
22µF/Ceramicx3. The efficiency equation is: Efficiency
=
O------u---t---p---u----t----P-----o----w-----e----r
Input Power
=
-P----O----U----T--
PIN
=
-(--V----(O--V---U-I--N-T----xx---II--OI--N--U--)---T----)
100
90
90
80
80
70
3.3V
60
2.5V
1.5V
50
1.2V
0.8V
40
70
60
5.0V
3.3V 2.5V
1.5V
50
1.2V
0.8V
40
30
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 2. EFFICIENCY vs LOAD CURRENT (5VIN)
30
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 3. EFFICIENCY vs LOAD CURRENT (12VIN)
100
90
80
5.0V
70
3.3V
2.5V
60
1.5V
50
1.2V
40
30
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 4. EFFICIENCY vs LOAD CURRENT (18VIN)
VIN = 12V
VOUT = 1.2V
IOUT = 0A to 5A
FIGURE 5. 1.2V TRANSIENT RESPONSE
5
FN6657.1
July 16, 2009
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