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參數(shù)資料
| 型號(hào)： | ML4818 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Phase Modulation/Soft Switching Controller |
| 中文描述： | 相位調(diào)制/軟開(kāi)關(guān)控制器 |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大?。?/td> | 92K |
| 代理商： | ML4818 |
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ML4818
PRODUCT SPECIFICATION
2
REV. 1.0.3 6/21/01
Pin Configuration
Pin Description
Pin
1
2
3
Name
GND
C
T
RAMP
Function
Ground
Timing capacitor for oscillator
Non-inverting input to main comparator. Connected to current sense resistor for
current mode
Current limit sense pin. Normally connected to current sense resistor
Output of error amplifier and input to PWM comparator
Ground and substrate
Inverting input to error amp
Normally connected to soft start capacitor
Pulling this pin low puts the IC into a power down mode and turns off all outputs.
This pin is internally pulled up to V
REF
.
Resistor which sets discharge current for oscillator timing capacitor
Timing elements for Integrating fault detection and reset delay circuits
Oscillator output
Resistor to ground on this pin programs the amount of delay from the time an
output turns off until its complementary output turns on
Ground
High current totem pole output A1
High current totem pole output A2
Ground and substrate
Positive supply for the IC
High current totem pole output B1
High current totem pole output B2
Ground
Buffered output for the 5V voltage reference
4
5
I
LIM
E/A OUT
GND
INV
SOFT START
SHUTDOWN
6,7
8
9
10
11
12
13
14
R
T
RC
RESET
CLOCK
R
DELAY
15
16
17
GND
A2 OUT
A1 OUT
GND
V
CC
B2 OUT
B1 OUT
GND
V
REF
18,19
20
21
22
23
24
V
REF
GND
B1 OUT
B2 OUT
V
CC
GND
GND
A1 OUT
A2 OUT
GND
R
DELAY
CLOCK
GND
C
T
RAMP
I
LIM
E/A OUT
GND
GND
INV
SOFT START
SHUTDOWN
R
T
RC
RESET
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
24-Pin Power DIP (P24)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4818CP | 功能描述:軟開(kāi)關(guān) PWM 控制器 PFC Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| ML4818CP | 制造商:Fairchild Semiconductor Corporation 功能描述:CONTROLLER IC ROHS COMPLIANT:NO |
| ML4818CS | 制造商:MICRO-LINEAR 制造商全稱(chēng):MICRO-LINEAR 功能描述:Phase Modulation/Soft Switching Controller |
| ML4819 | 制造商:MICRO-LINEAR 制造商全稱(chēng):MICRO-LINEAR 功能描述:Power Factor and PWM Controller Combo |
| ML4819CP | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 PFC Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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