参数资料
型号: NCP5214EVB
厂商: ON Semiconductor
文件页数: 6/32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
ELECTRICAL CHARACTERISTICS (V IN = 12 V, T A = ?40 to 85 _ C, V CCA = V CCP = V BOOST ? V SWDDQ = 5.0 V, L = 1.8 m H,
C OUT1 = 150 m F x 2, C OUT2 = 22 m F x 2, RL1 = 5.6 k W , R1 = 4.3 k W , R2 = 3.3 k W , RZ1 = 10 k W , RZ2 = 130 W , CP1 = 100 pF, CZ1 = 2.2 nF,
CZ2 = 4.7 nF, for min/max values unless otherwis e noted. Typical values are at T A = 25 _ C.)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
SUPPLY VOLTAGE
Input Voltage
V CCA Operating Voltage
V CCP Operating Voltage
V IN
V CCA
V CCP
?
?
?
4.5
4.5
4.5
?
5.0
5.0
24
5.5
5.5
V
V
V
SUPPLY CURRENT
V CCA Quiescent Supply Current in S0
V CCA Quiescent Supply Current in S3
V CCA Shutdown Current
V CCP Quiescent Supply Current in S0
I VCCA_S0
I VCCA_S3
I VCCA_SD
I VCCP_S0
V DDQEN = 5.0 V, V TTEN = 5.0 V
V DDQEN = 5.0 V, V TTEN = 0 V
V DDQEN = 0 V, V TTEN = 0 V,
T A = 25 ° C
V DDQEN = 5.0 V, V TTEN = 5.0 V,
?
?
?
?
3.5
0.9
1.0
?
10
5.0
4.0
20
mA
mA
m A
mA
TGDDQ and BGDDQ Open
V CCP Quiescent Supply Current in S3
I VCCP_S3
V DDQEN = 5.0 V, V TTEN = 0 V,
?
?
20
mA
TGDDQ and BGDDQ Open
V CCP Shutdown Current
I VCCP_SD
V DDQEN = 0 V, V TTEN = 0 V
?
1.0
2.0
m A
UNDERVOLTAGE MONITOR
V CCA UVLO Lower Threshold
V CCA UVLO Hysteresis
V OCDDQ UVLO Upper Threshold
V OCDDQ UVLO Hysteresis
V CCAUV?
V CCAUVHYS
V OCDDQUV+
V OCDDQUVHYS
Falling Edge
?
Rising Edge
?
?
?
?
?
3.7
0.35
3.0
0.4
4.1
?
4.4
?
V
V
V
V
THERMAL SHUTDOWN
Thermal Trip Point
Hysteresis
T SD
T SDHYS
(Note 4)
(Note 4)
?
?
150
25
?
?
_ C
_ C
V DDQ SWITCHING REGULATOR
FBDDQ Feedback Voltage, Control Loop in
Regulation
Feedback Input Current
Oscillator Frequency
Ramp Amplitude Voltage
Ramp Amplitude to V IN Ratio
OCDDQ Pin Current Sink
OCDDQ Pin Current Sink Temperature
Coefficient
Minimum On Time
Maximum Duty Cycle
V FBDDQ
I fb
F SW
V ramp
dVRAMP/dVIN
I OC
TC IOC
t onmin
D max
T A = 25 ° C
T A = ?40 to 85 ° C
V FBDDQ = 0.8 V
?
V IN = 5.0 V (Note 4)
?
V OCDDQ = 4.0 V
T A = ?40 to 85 ° C
?
V IN = 5.0 V
0.788
0.784
?
340
?
?
26
?
?
?
0.8
0.8
?
400
1.25
45
31
3200
150
90
0.812
0.816
1.0
460
?
?
36
?
?
?
V
m A
kHz
V
mV/V
m A
ppm/
_ C
ns
%
V IN = 15 V
V IN = 24 V
?
?
50
32
?
?
Soft?Start Current
Overvoltage Trip Threshold
I ss
FBOVPth
V DDQEN = 5.0 V, Vss = 0 V
With Respect to Error
2.8
115
4.0
130
5.2
?
m A
%
Comparator Threshold of 0.8 V
Undervoltage Trip Threshold
FBUVPth
With Respect to Error
?
65
75
%
Comparator Threshold of 0.8 V
4. Guaranteed by design, not tested in production.
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