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參數(shù)資料
| 型號(hào)： | ML4823IQ |
| 廠(chǎng)商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | High Frequency Power Supply Controller |
| 中文描述： | 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封裝： | PLASTIC, LCC-20 |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | ML4823IQ |
ML4823
2
REV. 1.0 10/12/2000
PIN CONFIGURATION
PIN
NAME
FUNCTION
PIN
NAME
FUNCTION
1 (2)
INV
Inverting input to error amp.
2 (3)
NI
Non-inverting input to error amp.
3 (4)
E/A OUT
Output of error amplifier and input to
main comparator.
4 (5)
CLOCK
Oscillator output.
Timing resistor for oscillator — sets
charging current for oscillator timing
capacitor (pin 6).
5 (7)
R
T
6 (8)
C
T
RAMP
Timing capacitor for oscillator.
7 (9)
Non-inverting input to main
comparator. Connected to C
T
for
Voltage mode operation or to current
sense resistor for current mode.
8 (10)
SS
Normally connected to soft start
capacitor.
PIN DESCRIPTION
(Pin Numbers in Parentheses are for PLCC Version)
9
(12) I
LIM
/S.D.
Current limit sense pin. Normally
connected to current sense resistor.
10 (13) GND
Analog signal ground.
11 (14) I
LIM
REF
Reference input for cycle-by-cycle
current limit comparator.
12 (15) PWR GND Return for the high current totem
pole output.
13 (17) V
C
Positive supply for the high current
totem pole output.
14 (18) OUT B
High current totem pole output.
15 (19) V
CC
16 (20) 5.1V REF
Positive supply for the IC.
Buffered output for the 5.1V voltage
reference.
INV
NI
E/A OUT
CLOCK
R
T
C
T
RAMP
SS
5.1V REF
V
CC
OUTPUT
V
C
PWR GND
I
LIM
REF
GND
I
LIM
/S.D.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TOP VIEW
3
2
1
20
19
18
17
16
15
14
9
10
11
12
13
4
5
6
7
8
R
S
N
I
L
/
G
N
I
N
5
V
C
OUTPUT
V
C
NC
PWR GND
I
LIM
REF
E/A OUT
CLOCK
NC
R
T
C
T
TOP VIEW
ML4823
16-PIN DIP (P16)
16-PIN SOIC (S16W)
ML4823
20-PIN PLCC (Q20)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ML4823CP | High Frequency Power Supply Controller |
| ML4823CQ | High Frequency Power Supply Controller |
| ML4823CS | High Frequency Power Supply Controller |
| ML4823IS | High Frequency Power Supply Controller |
| ML4823MJ | High Frequency Power Supply Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4823IS | 功能描述:電流型 PWM 控制器 Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ML4823ISX | 功能描述:電流型 PWM 控制器 Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ML4823MJ | 制造商:MICRO-LINEAR 制造商全稱(chēng):MICRO-LINEAR 功能描述:High Frequency Power Supply Controller |
| ML4824 | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4824_03 | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Power Factor Correction and PWM Controller Combo |
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