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參數資料
| 型號： | SG3842GASZ |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | BiCMOS Green-Mode PWM Controllers |
| 中文描述： | BiCMOS工藝綠色模式PWM控制器 |
| 文件頁數： | 2/19頁 |
| 文件大?。?/td> | 394K |
| 代理商： | SG3842GASZ |
Product Specification
BiCMOS Green-Mode PWM Controllers
SG3842G/ SG3843G
System General Corp.
Version 1.4 ( IRO33.0007.B3)
- 2 -
www.sg.com.tw
Jun.28,2004
ORDERING INFORMATION
UVLO
Part Number
Start threshold
Stop threshold
AV
Package
SG3842GAD
SG3842GAS
SG3842G2AD
SG3842G2AS
SG3843GAD
SG3843GAS
SG3842GADZ
SG3842GASZ
SG3842G2ADZ
SG3842G2ASZ
SG3843GADZ
SG3843GASZ
8-Pin DIP
8-Pin SOP
8-Pin DIP
8-Pin SOP
8-Pin DIP
8-Pin SOP
8-Pin DIP(Lead Free)
8-Pin SOP( Lead Free)
8-Pin DIP(Lead Free)
8-Pin SOP( Lead Free)
8-Pin DIP( Lead Free)
8-Pin SOP( Lead Free)
5.0
16V±1V
10V±1V
3.0
8.9V±0.5V
8.1V±0.5V
3.0
5.0
16V±1V
10V±1V
3.0
8.9V±0.5V
8.1V±0.5V
3.0
PIN DESCRIPTIONS
Pin No. Symbol
Function
Description
1
COMP
Compensation
Output of the Error Amplifier and input to the PWM comparator. It is used for feedback
loop compensation.
Inverting input of the Error Amplifier. It is normally connected to the switching power
supply output through a resistor divider.
Current sense comparator input. It is internally set to 1V maximum. A voltage proportional
to the inductor current is connected to this input.
Oscillator RC timing connection. Connecting a resistor RT from this pin to Vref, and a
capacitor CT from this pin to ground, programs the oscillator frequency and the maximum
output duty cycle.
This pin is the combined control circuit ground and power ground.
High-power, totem-pole driver output. This output drives the gate of a power MOSFET.
Supply voltage input.
Reference voltage 5V-reference voltage output.
2
VFB
Feedback
3
SENSE
Current sense
4
RT/CT
Oscillator control
5
6
7
8
GND
OUTPUT
VCC
VREF
Ground
Output
Power supply
MARKING INFORMATION
PIN CONFIGURATION
8
1
SG384
Z
G
TP
A
XXXXXXXYYWWV
Z
: 2, 3
T
: D = DIP, S = SOP
P :
Z = Lead Free
Null=Regular Package
XXXXXXX
: Wafer Lot
YY
: Year;
WW
: Week
V
: Assembly Location
RT/CT
SENSE
VREF
VCC
OUTPUT
GND
COMP
VFB
3
1
2
5
6
8
7
4
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|---|---|
| SG3843GASZ | BiCMOS Green-Mode PWM Controllers |
| SG5311 | LED Lamp |
| SG5311(B) | LED Lamp |
| SG5312-V | High Brightness LED Lamp |
| SG5312-V(B) | High Brightness LED Lamp |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SG3842J | 制造商:Microsemi Corporation 功能描述:SG3842J - Bulk |
| SG3842M | 功能描述:IC REG CTRLR FLYBK ISO PWM 8-DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產品目錄頁面:1316 (CN2011-ZH PDF) |
| SG3842N | 制造商:Microsemi Corporation 功能描述:SG3842N - Bulk |
| SG3842Y | 制造商:Microsemi Corporation 功能描述:SG3842Y - Bulk |
| SG3843D | 制造商:Microsemi Corporation 功能描述:SG3843D - Bulk |
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