參數(shù)資料
型號： MAX8541EEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Synchronizable, High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies
中文描述： SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137AB, QSOP-16
文件頁數(shù)： 3/16頁
文件大?。?/td> 328K
代理商： MAX8541EEE
M
Synchronizable, High-Frequency Current- and
Voltage-Mode PWM Controllers for Isolated Supplies
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
VCC
= 12V, C
REF
= 1μF, V
UV
= V
OV
= V
OPTO
, V
ILIM
= 2V, R
FREQ/SYNC
= 32.4k
, C
SS
= 0.1μF, R
MAXDTY
= 97.6k
, V
EN
= 0,
R
SCOMP
= 68k
, R
PRAMP
= 25k
, C
SKTON
= 0.01μF, C
SKTOFF
= 0.1μF, V
CS
= 0.6V, C
DRV
= 10pF,
T
A
= 0
°
C to +85
°
C
, unless otherwise
noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
-1
TYP
MAX
+1
UNITS
μA
ms
μA
ms
ILIM Leakage Current
Hiccup Skip Off-Time
Hiccup Skip Off-Charging
C
SKTOFF
= 0.1μF (Note 3)
90
1.5
9
0.9
2.1
Hiccup Skip On-Time
C
SKTON
= 0.01μF (Note 3)
Hiccup Skip On-Charging
Current
1.5
2.5
3.5
μA
Hiccup SKTOFF Voltage
Threshold
2.3
2.5
2.7
V
OPTO
Input Bias Current
Minimum Input Voltage
Maximum Input Voltage
DUTY CYCLE
V
OPTO
= 3.5V
Minimum voltage for duty-cycle control
Maximum voltage for duty-cycle control
30
0.6
2.6
μA
V
V
R
MAXDTY
= 24.3k
, V
UV
= 1.3V
R
MAXDTY
= 130k
, V
UV
= 1.3V
V
UV
= 1.3V, R
MAXDTY
= 97.6k
Internally programmed limit for maximum duty cycle at
all frequencies
15
80
60
Maximum Duty Cycle
79
80
82
%
SOFT-START
Source Current
Pulldown Resistance in Shutdown I
SS
= 10mA, V
E N
= 3V
Time
FREQUENCY
Initial Accuracy
V
SS
= 1V
4.5
5.5
10
440
6.5
30
μA
ms/μF
R
FREQ
= 32.4k
R
FRE Q
= 48.7k
R
FRE Q
= 8.87k
280
300
200
1000
320
kHz
Switching Frequency Range
kHz
SCOMP
(MAX8540)
R
SCOMP
= 14k
R
SCOMP
= 204k
1.5
0.1
Slope Compensation
V
PRAMP (MAX8541)
R
PRAMP
= 12.4k
R
PRAMP
= 21k
R
PRAMP
= 42k
2.5
1
0.5
Ramp Voltage Amplitude
V
DRV
(MOSFET DRIVER)
C
DRV
= 500pF, 10% to 90% of V
VCC
C
DRV
= 2000pF, 10% to 90% of V
VCC
30
57
Rise Time
ns
相關PDF資料
PDF描述
MAX8540-MAX8541 Synchronizable, High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies
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相關代理商/技術參數(shù)
參數(shù)描述
MAX8541EEE+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX8541EEE-T 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)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
MAX8543EEE 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 安裝風格: 封裝 / 箱體:CPAK
MAX8543EEE+ 功能描述:電流型 PWM 控制器 Step-Down Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX8543EEE+T 功能描述:電流型 PWM 控制器 Step-Down Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
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