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参数资料
| 型号： | MAX1854EEG |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning |
| 中文描述： | SWITCHING CONTROLLER, 550 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | 0.150 INCH, 0.025 INCH PITCH, QSOP-24 |
| 文件页数： | 9/33页 |
| 文件大小： | 840K |
| 代理商： | MAX1854EEG |
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M
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
_______________________________________________________________________________________
9
-3
-1
-2
1
0
2
3
0
1.0
1.5
0.5
2.0
2.5
3.0
CURRENT-LIMIT ERROR vs. V
ILIM
V
ILIM
(V)
E
M
0
1.0
0.5
2.5
2.0
1.5
4.0
3.5
3.0
4.5
0
8
4
12
16
20
24
CONTINUOUS-TO-DISCONTINUOUS
INDUCTOR CURRENT POINT
V
BATT
(V)
O
M
CIRCUIT#1
V
OUT
= 1.6V
CIRCUIT#2
V
OUT
= 1.3V
CIRCUIT#3
V
OUT
= 1.0V
0
5
15
10
20
25
INDUCTOR CURRENT PEAKS AND
VALLEYS vs. BATTERY VOLTAGE
I
M
0
8
4
12
16
20
V
OUT
= 1.3V
CIRCUIT#2 (L = 1
μ
H)
24
I
PEAK
I
VALLEY
V
BATT
(V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
8
4
12
16
20
24
NO-LOAD SUPPLY CURRENT
vs. BATTERY VOLTAGE
V
BATT
(V)
S
M
SKIP MODE
550kHz (TON = GND)
CURCUIT#2 (L = 0.68
μ
H)
I
CC
+ I
DD
I
BATT
0
10
5
20
15
25
30
M
0
8
4
12
16
20
24
NO-LOAD SUPPLY CURRENT
vs. BATTERY VOLTAGE
V
BATT
(V)
S
PWM MODE
550kHz (TON = GND)
CURCUIT#2 (L = 0.68
μ
H)
I
CC
+ I
DD
I
BATT
0
4
2
8
6
12
10
14
M
0
8
4
12
16
20
24
NO-LOAD SUPPLY CURRENT
vs. BATTERY VOLTAGE
V
BATT
(V)
S
PWM MODE
200kHz (TON = V
CC
)
CURCUIT#2 (L = 1.5
μ
H)
I
CC
+ I
DD
I
BATT
B
10A
0
20A
1.55V
1.60V
1.50V
A
40
μ
s/div
A. V
OUT
= 1.6V, 50mV/div; B. I
OUT
= 1.3A TO 18A, 10A/div;
CIRCUIT #1, V
BATT
= 15V, PWM MODE
LOAD-TRANSIENT RESPONSE
(V
BATT
= 15V, PWM MODE)
M
B
10A
0
20A
1.55V
1.60V
1.50V
A
40
μ
s/div
A. V
OUT
= 1.6V, 50mV/div; B. I
OUT
= 0.3A TO 18A, 10A/div;
CIRCUIT #1, V
BATT
= 15V, PWM MODE; VPS = PGND
LOAD-TRANSIENT RESPONSE
WITH DISABLED VOLTAGE POSITIONING
M
Typical Operating Characteristics (continued)
(Circuit from Figure 1, components from Table 2, T
A
= +25
°
C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1854EEG/GG8 | 功能描述:DC/DC 开关控制器 High-Speed Adjustable Synchronous Step-Down Controllers with Integrated Voltage Positioning RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1854EEG+ | 制造商:Maxim Integrated Products 功能描述:HIGH-SPEED,DIGITALLY ADJUSTABLE SYNCHRONOUS STEPDOWN CONTROL - Rail/Tube |
| MAX1854EEG+T | 制造商: 功能描述: 制造商:undefined 功能描述: |
| MAX1854EEGT | 制造商: 功能描述: |
| MAX1854EEG-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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