參數(shù)資料
型號： MAX1854
廠商： Maxim Integrated Products, Inc.
英文描述： High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning
中文描述： 高速、數(shù)字可調(diào)、同步降壓型控制器，集成電壓定位電路
文件頁數(shù)： 7/33頁
文件大?。?/td> 840K
代理商： MAX1854
M
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
_______________________________________________________________________________________
7
M
100
50
0.01
10.1
1
10
100
EFFICIENCY vs. LOAD CURRENT
(2.0V AT 300kHz)
60
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
A1
C1
D1
A2
B2
C2
D2
MAX1854 ONLY
B1
M
100
B1
D1
D2
50
0.01
10.1
1
10
100
EFFICIENCY vs. LOAD CURRENT
(1.6V AT 300kHz)
60
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
A1
C1
A2
B2
C2
SKIP MODE (SKIP = GND)
A1: V
BATT
= 4.5V
B1: V
BATT
= 7V
C1: V
BATT
= 15V
D1: V
BATT
= 24V
PWM MODE (SKIP = V
CC
)
A2: V
BATT
= 4.5V
B2: V
BATT
= 7V
C2: V
BATT
= 15V
D2: V
BATT
= 24V
100
50
0.01
0.1
1
10
100
EFFICIENCY vs.
LOAD CURRENT (1.3V AT 200kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
CIRCUIT #2
L = 1.5
μ
H
D2
C2
A2
B2
C1
B1
A1
D1
100
50
0.01
0.1
1
10
100
EFFICIENCY vs.
LOAD CURRENT (1.3V AT 300kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
CIRCUIT #2
L = 1.0
μ
H
C2
D2
A2
B2
D1
C1
B1
A1
100
50
0.01
0.1
1
10
100
EFFICIENCY vs.
LOAD CURRENT (1.3V AT 550kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
D2
C2
D1
B2
A2
C1
B1
A1
CIRCUIT #2
L = 0.68
μ
H
100
50
0.01
0.1
1
10
100
EFFECTIVE EFFICIENCY vs.
LOAD CURRENT (1.3V AT 200kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
CIRCUIT #2
L = 1.5
μ
H
D2
C2
B2
A2
A1
B1
C1
D1
100
50
0.01
0.1
1
10
100
EFFECTIVE EFFICIENCY vs.
LOAD CURRENT (1.3V AT 300kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
D2
C2
B2
A2
C1
B1
A1
D1
CIRCUIT #2
L = 1.0
μ
H
100
50
0.01
0.1
1
10
100
EFFECTIVE EFFICIENCY vs.
LOAD CURRENT (1.3V AT 550kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
D2
C2
B2
A2
C1
B1
A1
D1
CIRCUIT #2
L = 0.68
μ
H
Typical Operating Characteristics
(Circuit from Figure 1, components from Table 2, T
A
= +25
°
C, unless otherwise noted.)
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MAX1854EEG/GG8 功能描述:DC/DC 開關(guān)控制器 High-Speed Adjustable Synchronous Step-Down Controllers with Integrated Voltage Positioning RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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