ISL8201MEVAL1Z 데이터 시트보기 (PDF) - Intersil
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ISL8201MEVAL1Z 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. (Continued)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Oscillator Frequency
Internal Resistor Between VOUT and FB Pins
Disabled Threshold Voltage (COMP/EN)
Reference Voltage
Reference Voltage Tolerance
FOSC
RFB-TI
VENDIS
VREF
(Note 7)
(Note 7)
(Note 7)
0°C to +70°C (Note 7)
510 600 660 kHz
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 7)
-1.5 - +1.5 %
FAULT PROTECTION
Internal Resistor Between ISET and PGND Pins RSET-IN
ISET Current Source
ISET
(Note 7)
NOTE:
7. 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
FN6657.2
October 21, 2010
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