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參數(shù)資料
| 型號(hào)： | ML4823 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | High Frequency PWM Controller(高頻PWM控制器) |
| 中文描述： | 高頻PWM控制器（高頻脈寬調(diào)制控制器） |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | ML4823 |
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 |
|---|---|
| ML4823IQ | High Frequency Power Supply Controller |
| ML4823CP | High Frequency Power Supply Controller |
| ML4823CQ | High Frequency Power Supply Controller |
| ML4823CS | High Frequency Power Supply Controller |
| ML4823IS | High Frequency Power Supply Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4823CP | 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 |
| ML4823CP_Q | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ML4823CQ | 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 |
| ML4823CQX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4823CS | 功能描述:電流型 PWM 控制器 1MHZ SMPS Controller 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 |
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