參數(shù)資料
型號(hào): MAX747
廠商: Maxim Integrated Products, Inc.
英文描述: Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125
中文描述: 高效率、PWM、降壓型控制器(外部P溝道驅(qū)動(dòng)器)
文件頁數(shù): 3/12頁
文件大?。?/td> 136K
代理商: MAX747
M
High-Effic ienc y PWM, S tep-Down
P-Channel DC-DC Controller
_______________________________________________________________________________________
3
0
-75
SUPPLY CURRENT vs.
TEMPERATURE
1
M
TEMPERATURE (°C)
3
2
4
-50 -25
0
25
50
75
100 125
V
IN
= 9V
V
OUT
= 5V
SCHOTTKY DIODE
LEAKAGE EXCLUDED
ENTIRE
CIRCUIT
S
0.6
5
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
0.7
M
SUPPLY VOLTAGE (V)
S
13
0.9
0.8
7
11
15
1.0
9
2
0.4
CONTINUOUS-CONDUCTION MODE BOUNDARY
AND CORRESPONDING PEAK INDUCTOR CURRENT (V
OUT
= 3.3V)
18
V
OUT
= 3.3V
L = 33 = 50m
R
SENSE
6
M
OUTPUT CURRENT (A)
S
1.2
14
10
0.6
1.0
1.4
0.8
CONTINUOUS
CONDUCTION
DISCONTINUOUS
CONDUCTION
PEAK
ICURRENT
0.4
0.8
1.6
1.2
2.0
P
5
0.5
CONTINUOUS-CONDUCTION MODE BOUNDARY
AND CORRESPONDING PEAK INDUCTOR CURRENT (V
OUT
= 5V)
15
DISCONTINUPEAK INDUCTOR
9
M
OUTPUT CURRENT (A)
S
13
11
0.7
1.3
1.1
0.9
CONTINUOUS
CONDUCTION
REGION
CURRENT
V
= 5V
L = 50μH
R
SENSE
= 50m
P
7
0.4
0.8
1.6
1.2
2.0
100
70
0.01
0.1
10
EFFICIENCY vs. OUTPUT CURRENT
(V
OUT
= 5V)
80
90
M
OUTPUT CURRENT (A)
E
1
V
IN
= 12V
V
IN
= 9V
V
IN
= 6V
3
0
0.01
0.1
10
PEAK INDUCTOR CURRENT vs.
OUTPUT CURRENT (V
OUT
= 5V)
1
2
M
OUTPUT CURRENT (A)
P
1
V
IN
= 12V
V
IN
= 9V
V
IN
= 6V
3
0
0.01
0.1
10
PEAK INDUCTOR CURRENT vs.
OUTPUT CURRENT (V
OUT
= 3.3V)
1
2
M
OUTPUT CURRENT (A)
P
1
V
IN
= 9V
V
IN
= 6V
V
IN
= 5V
100
70
0.01
0.1
10
EFFICIENCY vs. OUTPUT CURRENT
(V
OUT
= 3.3V)
80
90
M
OUTPUT CURRENT (A)
E
1
VIN = 6V
VIN = 9V
VIN = 12V
__________________________________________Typic al Operating Charac teristic s
(Circuit of Figure 1, V+ = 9V, T
A
= +25°C, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
MAX747CPD Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125
MAX747CSD Parallel-Load 8-Bit Shift Registers 20-LCCC -55 to 125
MAX747EPD Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125
MAX747ESD Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125
MAX747MJD Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125
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