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參數資料
| 型號： | MAX5003CEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High-Voltage PWM Power-Supply Controller |
| 中文描述： | 1 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數： | 4/16頁 |
| 文件大?。?/td> | 170K |
| 代理商： | MAX5003CEE |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5003CEE+ | 功能描述:電壓模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX5003CEE+T | 功能描述:電壓模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX5003CEE-T | 功能描述:電壓模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX5003CSE | 功能描述:電壓模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX5003CSE+ | 功能描述:電壓模式 PWM 控制器 PWM Power-Supply Controller RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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