參數(shù)資料
型號： MAX1540A
廠商： Maxim Integrated Products, Inc.
英文描述： Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator
中文描述： 雙路、降壓型控制器，帶有電感飽和保護(hù)、動態(tài)輸出和線性穩(wěn)壓器
文件頁數(shù)： 11/49頁
文件大?。?/td> 794K
代理商： MAX1540A
M
Dual Step-Down Controllers with Saturation
Protection, Dynamic Output, and Linear Regulator
______________________________________________________________________________________
11
1.0V OUTPUT VOLTAGE (OUT1)
vs. LOAD CURRENT
M
LOAD CURRENT (A)
O
4
3
1
2
0.99
1.00
1.01
1.02
0.98
0
5
SKIP = GND
SKIP = V
CC
OUT2 SWITCHING FREQUENCY
vs. LOAD CURRENT
(V
OUT2
= 2.5V)
M
LOAD CURRENT (A)
S
4
3
2
1
100
200
300
400
500
600
0
0
5
SKIP = GND
SKIP = V
CC
OUT1 SWITCHING FREQUENCY
vs. LOAD CURRENT
(V
OUT1
= 1.0V)
M
LOAD CURRENT (A)
S
4
3
2
1
100
200
300
400
500
600
0
0
5
SKIP = GND
SKIP = V
CC
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
24
20
16
12
8
4
250
300
350
400
450
200
0
28
4A LOAD
NO LOAD
2.5V OUTPUT
SKIP = V
CC
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
M
24
20
12
16
8
4
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
4.0
0
28
2.5V OUTPUT
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
(FORCED-PWM OPERATION)
M
INPUT VOLTAGE (V)
S
24
20
16
12
8
4
4
8
12
16
20
0
0
28
I
BIAS
I
IN
SKIP = ON1 = ON2 = V
CC
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
(PULSE-SKIPPING OPERATION)
M
INPUT VOLTAGE (V)
S
12
16
20
24
4
8
0.10
1.00
0.01
0
28
I
N
I
BIAS
SKIP = GND
ON1 = ON2 = V
CC
2.0V REFERENCE LOAD REGULATION
M
REFERENCE LOAD CURRENT (
μ
A)
R
100
80
60
40
20
0
-3
-2
-1
0
1
2
3
4
-4
-20
REFERENCE DISTRIBUTION
M
REFERENCE VOLTAGE (V)
S
2.005
2.000
1.995
10
20
30
40
50
0
1.990
2.010
SAMPLE SIZE = 50
Typical Operating Characteristics (continued)
(MAX1541 circuit of Figure 12, V
IN
= 12V, V
DD
= V
CC
= 5V,
SKIP
= GND, TON = REF, T
A
= +25°C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1540AETJ+ 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr w/Saturation Prot 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
MAX1540AETJ+T 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr w/Saturation Prot 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
MAX1540ETJ 功能描述:DC/DC 開關(guān)控制器 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
MAX1540ETJ+ 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr 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
MAX1540ETJ+T 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr 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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