ISL8200M 查看數據表（PDF） - Intersil
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ISL8200M Datasheet PDF : 23 Pages
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VIN
CIN (BULK)
GND
ISL8200M
R1
1 6. 5k
C I N (CER )
10uF 25V
x2
R2
4 .1 2k
C EN
1n F
I SF ETD R V1
PVIN
V OU T
VI N
FF ISL8200M
EN
VOUT_SET
FS YN C _I N
VSEN_REM-
CL KOU T
ISH AR E_ BU S
P GOOD 1
PGOOD
ISFETD R V
P H_ CN TR L
VCC
2 .2 k
R SET
1.2V 10A
VOU T
COUT
47uF 10V
x8
R IS H AR E
5k
CP VC C
10uF
FIGURE 5. TEST CIRCUIT FOR ALL PERFORMANCE AND DERATING GRAPHS
Typical Performance Characteristics
Efficiency Performance
TA = +25°C, PVIN = VIN, CIN = 220µFx1, 10µF/Ceramic x 2, COUT = 47µF/Ceramic x 8.
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
95
90
85
80
3.3V
75
2.5V
70
1.5V
1.2V
0.8V
65
60
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 6. EFFICIENCY vs LOAD CURRENT (5VIN)
100
95
90
85
80
75
70
65
60
0
3.3V 2.5V
5.0V
1.5V 1.2V
0.8V
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 7. EFFICIENCY vs LOAD CURRENT (12VIN)
100
95
90
3.3V
5.0V
2.5V
85
80
75
70
65
1.5V
1.2V
60
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 8. EFFICIENCY vs LOAD CURRENT (20VIN)
10
VOUT
IOUT
VIN = 12V
VOUT = 1.2V
IOUT = 0A to 5A
FIGURE 9. 1.2V TRANSIENT RESPONSE
FN6727.1
February 26, 2010
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