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參數(shù)資料
| 型號： | MAX1515ETG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low-Voltage, Internal Switch, Step-Down/DDR Regulator |
| 中文描述： | 4.7 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, QCC24 |
| 封裝： | 4 X 4 MM, 0.8 MM HEIGHT, MO-220-WGGD, TQFN-8 |
| 文件頁數(shù)： | 7/24頁 |
| 文件大?。?/td> | 504K |
| 代理商： | MAX1515ETG |
M
Low-Voltage, Internal Switch,
Step-Down/DDR Regulator
_______________________________________________________________________________________
7
1.25V OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
SINK, SKIP
SOURCE,
PWM
SINK, PWM
SOURCE, SKIP
V
IN
= 2.5V
V
OUT
= 1.25V
R
TOFF
= 110k
Ω
1.25V OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
SINK, SKIP
SOURCE,
PWM
SINK, PWM
SOURCE, SKIP
V
IN
= 2.5V
V
OUT
= 1.25V
R
TOFF
= 220k
Ω
1.25V OUTPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (A)
O
3
2
-2
-1
0
1
1.246
1.250
1.254
1.258
1.242
-3
4
SINK, SKIP
SOURCE, PWM
SINK, PWM
SOURCE, SKIP
V
IN
= 2.5V
V
OUT
= 1.25V
R
TOFF
= 110k
Ω
0.9V OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
SINK, SKIP
SOURCE,
PWM
SINK, PWM
SOURCE, SKIP
V
IN
= 1.8V
V
OUT
= 0.9V
R
TOFF
= 110k
Ω
0.9V OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
SINK, SKIP
SOURCE,
PWM
SINK, PWM
SOURCE, SKIP
V
IN
= 1.8V
V
OUT
= 0.9V
R
TOFF
= 220k
Ω
0.9V OUTPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (A)
O
3
2
-2
-1
0
1
0.896
0.900
0.904
0.908
0.892
-3
4
SINK, SKIP
SOURCE, PWM
SINK, PWM
SOURCE, SKIP
V
IN
= 1.8V
V
OUT
= 0.9V
R
TOFF
= 110k
Ω
SWITCHING FREQUENCY
vs. LOAD CURRENT
M
LOAD CURRENT (A)
S
3
2
1
0
-1
-2
100
200
300
400
500
600
0
-3
4
PWM MODE
SKIP MODE
V
IN
= 2.5V
V
OUT
= 1.25V
Typical Operating Characteristics
(MAX1515 Circuit of Figure 1, V
IN
= 2.5V, V
DD
= V
CC
=
SHDN
= MODE = 3.3V, T
A
= +25°C, unless otherwise noted.)
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