MAX8741 데이터 시트보기 (PDF) - Maxim Integrated
부품명
상세내역
일치하는 목록
MAX8741 Datasheet PDF : 34 Pages
| |||
500kHz Multi-Output Power-Supply Controllers
with High Impedance in Shutdown
Typical Operating Characteristics
(Circuit of Figure 1, Table 1, 6A/500kHz components, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. 5V OUTPUT CURRENT
100
95 V+ = 6V
90
85
V+ = 15V
80
75
70
65
60
55
50
0.001
ON5 = 5V
ON3 = 0V
f = 500kHz
MAX8741
0.01
0.1
1
10
5V OUTPUT CURRENT (A)
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE
100
SKIP = VL
10
1
0.1
0.01
0
SKIP = 0V
ON5 = ON3 = 5V
NO LOAD
5 10 15 20 25 30
INPUT VOLTAGE (V)
EFFICIENCY vs. 3.3V OUTPUT CURRENT
100
95
V+ = 6V
90
85
80
V+ = 15V
75
70
65
60
55
50
0.001
ON5 = ON3 = 5V
f = 500kHz
MAX8741
0.01
0.1
1
10
3.3V OUTPUT CURRENT (A)
10,000
V+ STANDBY INPUT CURRENT
vs. INPUT VOLTAGE
1000
100
10
1
0
ON5 = ON3 = 0V
NO LOAD
5 10 15 20 25 30
INPUT VOLTAGE (V)
MAXIMUM VDD OUTPUT CURRENT
vs. INPUT VOLTAGE
800
5V LOAD = 3A
600
5V LOAD = 0
400
200
0
0
5
10
15
20
INPUT VOLTAGE (V)
SHUTDOWN INPUT CURRENT
vs. INPUT VOLTAGE
10
SHDN = 0V
8
6
4
2
0
0
5
10 15 20 25 30
INPUT VOLTAGE (V)
MINIMUM VIN TO VOUT DIFFERENTIAL
vs. 5V OUTPUT CURRENT
1000
MAX8741/42 toc07
f = 500kHz
100
f = 333kHz
SWITCHING FREQUENCY
vs. LOAD CURRENT
1000
3.3V, VIN = 15V
100
5V, VIN = 15V
10
3.3V, VIN = 6.5V
VL REGULATOR OUTPUT VOLTAGE
vs. OUTPUT CURRENT
5.00
VIN = 15V
ON3 = ON5 = 0V
4.98
4.96
4.94
10
0.001
VOUT > 4.8V
0.01
0.1
1
10
5V OUTPUT CURRENT (A)
1
5V, VIN = 6.5V
0.1
0.001
0.01
0.1
1
LOAD CURRENT (A)
4.92
4.90
10
0
10
20
30
40
50
OUTPUT CURRENT (mA)
_______________________________________________________________________________________ 7
Share Link: 