参数资料
型号: ADP1048ARQZ-R7
厂商: Analog Devices Inc
文件页数: 5/84页
文件大小: 0K
描述: IC DGTL PFC CTRLR 24QSOP
标准包装: 1
模式: 平均电流
频率 - 开关: 30kHz ~ 400kHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 标准包装
其它名称: ADP1048ARQZ-R7DKR
Data Sheet
The combination of a flexible, digitally controlled PFC engine
and accurate input power metering facilitates the adoption
of intelligent power management systems that are capable of
making decisions to improve end-user system efficiency. The
device supports additional efficiency improvements through
programmable frequency reduction at light load and the
capability to reduce the output voltage at light load.
The ADP1047 / ADP1048 provide enhanced integrated features
and functions; the inrush current and soft start control functions
provide significant component count reduction with easy design
optimization.
ADP1047/ADP1048
The devices are designed for high reliability, redundant power
supply applications and have extensive and robust protection
circuitry: independent overvoltage protection (OVP) and
overcurrent protection (OCP), ground continuity monitoring,
and ac sensing. Internal overtemperature protection (OTP)
is provided whereby the external temperature can be recorded
via an external sensing device.
The internal 8 kB EEPROM stores all programmed values
and allows standalone control without a microcontroller. All
parametric reporting and adjustments can be programmed via
an easy-to-use GUI. No complex programming is required.
The ADP1047 / ADP1048 operate from a single 3.3 V supply. The
devices are available in a 24-lead QSOP package that is specified
over an ambient temperature range of ?40°C to +85°C.
AC
V REC
RELAY
V OUT
BULK
CAPACITOR
INPUT
3.3V
1
2
3
4
AGND
VAC
VFB
OVP
VDD 24
RES 23
RTD 22
ADD 21
5
6
7
8
9
10
11
12
PGND
ILIM
IBAL
CS–
CS+
DGND
PSON
VCORE
SDA 20
SCL 19
SYNC 18
INRUSH 17
PGOOD 16
AC_OK 15
PWM2 14
PWM 13
PMBus
ADP1048
Figure 2. Typical Interleaved Application, ADP1048
Rev. 0 | Page 5 of 84
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