参数资料
型号: IRU3048CFTR
厂商: International Rectifier
文件页数: 1/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 16TSSOP
标准包装: 1
PWM 型: 电压模式
输出数: 3
频率 - 最大: 220kHz
占空比: 90%
电源电压: 4.2 V ~ 25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
包装: 剪切带 (CT)
产品目录页面: 1384 (CN2011-ZH PDF)
其它名称: *IRU3048CFTR
IRU3048CFCT
Data Sheet No.PD94253
IRU3048
DUAL SYNCHRONOUS PWM CONTROLLER
CIRCUITRY AND LDO CONTROLLER
PRELIMINARY DATA SHEET
FEATURES
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
TYPICAL APPLICATION
12V
5V
VcH1
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.
VcH2
Vcc
HDrv1
Q2
L1
V OUT1
3.3V
Q1
LDrv1
Q3
C6
C1
V OUT3
V OUT3
R1
C2
R2
C3
C4
R3
R4
Fb3
Comp1
Comp2
U1
IRU3048
PGnd
Fb1
Fb2
HDrv2
Q4
L2
R5
R6
V OUT2
LDrv2
Q5
R7
C7
C5
SS
Gnd
R8
Figure 1 - Typical application of IRU3048 configured as 2-independent converter.
PACKAGE ORDER INFORMATION
Rev. 1.7
09/12/02
T A (°C)
0 To 70
0 To 70
DEVICE
IRU3048CF
IRU3048CS
www.irf.com
PACKAGE
16-Pin TSSOP (F)
16-Pin SOIC NB (S)
1
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相关代理商/技术参数
参数描述
IRU3048CS 制造商:IRF 制造商全称: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 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC(0.154",3.90mm 宽) 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5
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