參數資料
型號: UC2844BD1R2
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: HIGH PERFORMANCE CURRENT MODE CONTROLLERS
中文描述: 1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO8
封裝: SOIC-8
文件頁數: 2/20頁
文件大?。?/td> 317K
代理商: UC2844BD1R2
UC3844B, UC3845B, UC2844B, UC2845B
http://onsemi.com
2
Pin numbers in parenthesis are for the D suffix SOIC14 package.
Output
V
C
R
T
/C
T
V
ref
V
CC
Undervoltage
Lockout
GND
5.0V
Reference
V
ref
Undervoltage
Lockout
Latching
PWM
Oscillator
Error
Amplifier
5(9)
3(5)
5(8)
6(10)
7(11)
Power
Ground
Current
Sense Input
1(1)
2(3)
4(7)
8(14)
Output/
Compensation
Voltage
Feedback
Input
V
CC
7(12)
R
R
Figure 1. Simplified Block Diagram
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
Shipping
UC384xBD
SOIC14
55 Units/Rail
UC384xBDR2
SOIC14
2500 Tape & Reel
UC3844BDR2G
SOIC14
(PbFree)
2500 Tape & Reel
UC384xBD1
SOIC8
98 Units/Rail
UC3844BD1G
T
A
= 0
°
to +70
°
C
A
SOIC8
(PbFree)
98 Units/Rail
UC384xBD1R2
SOIC8
2500 Tape & Reel
UC384xBD1R2G
SOIC8
(PbFree)
2500 Tape & Reel
UC384xBN
PDIP8
50 Units/Rail
UC384xBNG
PDIP8
(PbFree)
50 Units/Rail
UC2845BD
SOIC14
55 Units/Rail
UC284xBDR2
SOIC14
2500 Tape & Reel
UC2845BDR2G
SOIC14
(PbFree)
2500 Tape & Reel
UC2845BD1
T
A
= 25
°
to +85
°
C
SOIC8
98 Units/Rail
UC284xBD1R2
SOIC8
2500 Tape & Reel
UC284xBD1R2G
SOIC8
(PbFree)
2500 Tape & Reel
UC2844BN
PDIP8
50 Units/Rail
UC384xBVD
SOIC14
55 Units/Rail
UC3844BVDR2
SOIC14
2500 Tape & Reel
UC384xBVD1
T
A
= 40
°
to +105
°
C
SOIC8
98 Units/Rail
UC384xBVD1R2
SOIC8
2500 Tape & Reel
UC384xBVN
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
x indicates either a 4 or 5 to define specific device part numbers.
PDIP8
50 Units/Rail
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參數描述
UC2844BD1R2G 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM w/48% Duty Cycle Max 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 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC2844BDR2 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM 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 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC2844BDR2G 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM w/48% Duty Cycle Max 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 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC2844BG 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC2844BL 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLERS