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參數資料
| 型號： | IRU3048 |
| 廠商： | International Rectifier |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
| 中文描述： | 雙同步PWM控制器電路和LDO控制器 |
| 文件頁數： | 1/18頁 |
| 文件大?。?/td> | 154K |
| 代理商： | IRU3048 |
IRU3048
1
Rev. 1.7
09/12/02
www.irf.com
TYPICAL APPLICATION
DESCRIPTION
The IRU3048 IC combines a Dual synchronous Buck
controller and a linear regulator controller, providing a
cost-effective, high performance and flexible solution for
multi-output applications. The Dual synchronous con-
troller is configured as 2-independent PWM controller.
IRU3048 provides a separate adjustable output by driv-
ing a switch as a linear regulator. This device features an
internal 200KHz oscillator, under-voltage lockout for all
input supplies, an external programmable soft start func-
tion as well as output under-voltage detection that latches
off the device when an output short is detected.
Dual Synchronous Controller in 16-Pin Package
with 180
8
out-of-phase operation
LDO Controller with 40mA drive
Configured as 2-Independent PWM Controller
Flexible, Same or Separate Supply Operation
Operation from 4V to 25V Input
Internal 200KHz Oscillator
Soft-Start controls all outputs
Fixed Frequency Voltage Mode
500mA Peak Output Drive Capability
Programmable Outputs
APPLICATIONS
DDR Memory Source Sink Vtt Application
Graphic Card
Hard Disk Drive
Power supplies requiring multiple outputs
PACKAGE ORDER INFORMATION
FEATURES
DUAL SYNCHRONOUS PWM CONTROLLER
CIRCUITRY AND LDO CONTROLLER
T
A
(°C)
0 To 70
0 To 70
DEVICE PACKAGE
IRU3048CF 16-Pin TSSOP (F)
IRU3048CS 16-Pin SOIC NB (S)
PRELIMINARY DATA SHEET
Data Sheet No.PD94253
Figure 1 - Typical application of IRU3048 configured as 2-independent converter.
12V
5V
V
OUT3
C1
R2
Q5
L2
Q4
Q1
C2
3.3V
U1
V
OUT1
R6
L1
R5
C5
R1
R4
C4
R3
C3
PGnd
V
OUT3
LDrv1
HDrv1
Fb1
Fb2
LDrv2
HDrv2
VcH1
VcH2
Vcc
Gnd
Comp2
Fb3
Comp1
SS
IRU3048
Q3
Q2
V
OUT2
C6
R7
C7
R8
相關PDF資料 |
PDF描述 |
|---|---|
| IRU3048CF | DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
| IRU3048CS | DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
| IRU3072C | 20-PIN SYNCHRONOUS PWM CONTROLLER/ 3 LDO CONTROLLER |
| IRU3072CH | 20-PIN SYNCHRONOUS PWM CONTROLLER/ 3 LDO CONTROLLER |
| IRU3137 | 8-PIN SYNCHRONOUS PWM CONTROLLER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| IRU3048CF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
| IRU3048CFTR | 功能描述:IC REG CTRLR BUCK PWM VM 16TSSOP RoHS:否 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:75 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.3 V ~ 13.5 V 降壓:是 升壓:是 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:0°C ~ 70°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:管件 產品目錄頁面:1051 (CN2011-ZH PDF) 其它名稱:296-2543-5 |
| IRU3048CS | 制造商:IRF 制造商全稱:International Rectifier 功能描述:DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
| IRU3048CSTR | 功能描述:IC REG CTRLR BUCK PWM VM 16-SOIC RoHS:否 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:75 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.3 V ~ 13.5 V 降壓:是 升壓:是 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:0°C ~ 70°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:管件 產品目錄頁面:1051 (CN2011-ZH PDF) 其它名稱:296-2543-5 |
| IRU3048CSTRPBF | 制造商:International Rectifier 功能描述:Dual Synchronous PWM Controller Circuitry and LDO Controller 16-Pin SOIC N T/R |
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