参数资料
型号: NCP5214AMNR2G
厂商: ON Semiconductor
文件页数: 18/31页
文件大小: 0K
描述: IC CTLR NOTEBOOK DDR PWR 22-DFN
产品变化通告: Product Discontinuation 01/Oct/2008
标准包装: 2,500
应用: 控制器,DDR
输入电压: 4.5 V ~ 24 V
输出数: 2
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 22-VFDFN 裸露焊盘
供应商设备封装: 22-DFN(6x5)
包装: 带卷 (TR)
NCP5214A
VCCA
VIN
(VOCDDQ)
VDDQEN
VTTEN
VDDQ
VTTEN is
Don’t Care
in S5
VDDQ
VTT
Soft?start
VTT in H?Z
VTTREF
PGOOD
VTT Soft?start
VTT Soft?start
Operating
Mode
t hold X 200 m s
S5
VCCA goes
above 4.0 V to
enable the IC.
S0
PGOOD
goes HIGH.
S3
VTTEN goes LOW
to activate S3 mode
and to turn off VTT.
S0
S5
Both VDDQEN and
VTTEN go LOW to
trigger S5 mode;
INREGDDQ goes
VDDQ, VTT, VTTREF
VDDQEN goes HIGH,
VDDQ and VTTREF
are enabled but not
activated until VIN
HIGH, VTT goes into
normal mode.
VTTEN goes
HIGH, VTT goes
are disabled, then
INREGDDQ and
PGOOD goes LOW.
goes above threshold
of 3.0 V. VTTEN goes
HIGH, VTT is enabled
but not activated until
VIN goes above the
threshold, the VDDQ
and VTTREF go into
normal mode.
into normal mode.
VDDQ is good.
Figure 38. Powerup and Powerdown Timing Diagram
http://onsemi.com
18
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