参数资料
型号: MAX1813EEI
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 稳压器
英文描述: Dynamically-Adjustable, Synchronous Step-Down Controller with Integrated Voltage Positioning
中文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
封装: 0.150 INCH, 0.025 INCH PITCH, QSOP-28
文件页数: 9/38页
文件大小: 738K
代理商: MAX1813EEI
M
Dynamically-Adjustable, Synchronous Step-Down
Controller with Integrated Voltage Positioning
_______________________________________________________________________________________
9
220
260
240
300
280
320
340
-40
10
-15
35
60
85
SWITCHING FREQUENCY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
I
OUT
= 20A
I
OUT
= 10A
I
OUT
= 5A
I
OUT
= 1A
260
280
300
320
340
360
380
400
420
-40
-15
10
35
60
85
ON TIME
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
O
I
OUT
= 1A
I
OUT
= 5A
I
OUT
= 20A
I
OUT
= 10A
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-40
-15
10
35
60
85
CURRENT-LIMIT DEVIATION
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
V
V
V
ILIM
= 0.5V
V
ILIM
= 2V
0
0.4
0.2
0.8
0.6
1.0
1.2
0
8
12
4
16
20
24
NO-LOAD SUPPLY CURRENT
vs. BATTERY INPUT VOLTAGE (SKIP MODE)
M
BATTERY INPUT VOLTAGE (V)
S
I
CC
+ I
DD
V
OUT
= 1.4V
SKP/SDN = V
CC
CODE = ZMODE = GND
I
BATT
0
5
10
15
20
25
30
35
40
0
8
4
12
16
20
24
NO-LOAD SUPPLY CURRENT
vs. BATTERY INPUT VOLTAGE (PWM MODE)
M
BATTERY INPUT VOLTAGE (V)
S
I
CC
+ I
DD
I
BATT
V
= 1.4V
SKP/SDN = FLOAT
CODE = ZMODE = GND
1000
10
10
100
1000
TRANSITION FREQUENCY vs. R
TIME
M
R
TIME
(k
)
f
S
100
T
A
= -40
°
C, 25
°
C, 85
°
C
Typical Operating Characteristics (continued)
(Circuit from Figure 1, components from Table 2, T
A
= +25
°
C, unless otherwise noted.)
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