参数资料
型号: NCP5214EVB
厂商: ON Semiconductor
文件页数: 18/32页
文件大小: 0K
描述: EVAL BOARD FOR NCP5214
产品变化通告: Product Obsolescence 24/Jan/2011
设计资源: NCP5214EVB BOM
NCP5214EVB Gerber Files
NCP5214EVB Schematic
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.8V
电流 - 输出: 10A
输入电压: 5V,4.5 ~ 24 V
稳压器拓扑结构: 降压
频率 - 开关: 100Hz ~ 75kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCP5214
其它名称: NCP5214EVBOS
NCP5214
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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