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参数资料
| 型号： | MAX5003 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Voltage PWM Power-Supply Controller |
| 中文描述： | 高压PWM电源控制器 |
| 文件页数： | 4/16页 |
| 文件大小： | 170K |
| 代理商： | MAX5003 |
0.8
-0.4
-0.6
0
-0.2
0.6
0.4
0.2
0.8
0
-20
20
40
60
80
100
FB SET-POINT VOLTAGE CHANGE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
F
-0.100
-0.050
-0.075
0
-0.025
0.075
0.050
0.025
0.100
11
13
12
14
V
DD
(V)
15
16
17
18
FB SET-POINT VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
M
F
-1.20
-0.80
-1.00
-0.40
-0.60
0.20
0
-0.20
0.40
-40
0
-20
20
40
60
80
100
SWITCHING FREQUENCY CHANGE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
F
Typical Operating Characteristics
(V
DD
= +12V, R
FREQ
= 200k
, R
MAXTON
= 200k
, T
A
= +25°C, unless otherwise noted.)
M
High-Voltage PWM
Power-Supply Controller
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V+ = V
ES =
V
DD
= +12V, V
INDIV
= 2V, V
CON
= 0, R
FREQ
= R
MAXTON
= 200k
, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.)
Note 1:
See the
Typical Operating Characteristics
for preregulator current-to-voltage characteristics.
Note 2:
Maximum time FREQ can be held below V
IL
and still remain in external mode.
Note 3:
Feed-forward Ratio = Duty cycle at (V
INDIV
= 1.5V)/Duty cycle at (V
INDIV
= 1.875V)
Note 4:
Occurs at start-up and until V
REF
is valid.
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETERS
Minimum On-Time
SOFT-START
200
ns
SS Source Current
SS Sink Current
SS Time
PWM COMPARATOR
V
SS
= 0.5V, V
DD
= unconnected, V
CON
= 1.5V
V
SS
= 0.4V (Note 4)
3.4
5.5
10
0.45
9
μA
mA
s/μF
CON Bias Current
I
CON
V
CON
= 0.5V and 2.5V
-1
0.01
1
μA
R
MAXTON
= 200k
, V
INDIV
= 1.25V
V
INDIV
stepped from 1.5V to 1.875V, V
CON
=
3.0V (Note 3)
μs
7.5
t
ON
Maximum On-Time Range
V
INDIV
= 1.875V
V
V
0.48
0.5
2.5
0.53
RAMP Voltage Low
RAMP Voltage High
0.72
0.8
0.88
Input Voltage Feed Forward
Ratio
k
50
500
R
MAXTON
MAXTON Resistor Range
PWM OSCILLATOR
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5003-50WEVKIT | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Evaluation Kit for the MAX5003-50W |
| MAX5003C/D | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Voltage PWM Power-Supply Controller |
| MAX5003CEE | 功能描述:电压模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX5003CEE+ | 功能描述:电压模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX5003CEE+T | 功能描述:电压模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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