参数资料
型号: NCV8842PWGEVB
厂商: ON Semiconductor
文件页数: 4/16页
文件大小: 0K
描述: EVAL BOARD FOR NCV8842PWG
设计资源: NCV8842 EVB BOM
NCV8842PWGEVB Gerber Files
NCV8842 SOIC 16 EVB 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: 2.5V,3.3V,5V
电流 - 输出: 1.5A
输入电压: 7 ~ 16 V
稳压器拓扑结构: 降压
频率 - 开关: 170kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCV8842
其它名称: NCV8842PWGEVBOS
NCV8842
ELECTRICAL CHARACTERISTICS ( ? 40 ° C < T J < 150 ° C, 4.5 V< V IN < 40 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Oscillator
Operating Frequency
Frequency Line Regulation
Maximum Duty Cycle
V FB Frequency Foldback Threshold
?
?
?
?
153
?
85
0.29
170
0.05
90
0.32
187
0.15
95
0.36
kHz
%/V
%
V
PWM Comparator
Slope Compensation Voltage
Minimum Output Pulse Width
Fix V FB, D V C / D T ON
V FB to V SW
5.0
?
9.0
100
17
200
mV/ m s
ns
Power Switch
Current Limit
Foldback Current
Saturation Voltage
Current Limit Delay
V FB > 0.36 V
V FB < 0.29 V
I OUT = 1.5 A, V BOOST = V IN + 2.5 V
(Note 5)
1.6
0.9
0.4
?
2.3
1.5
0.7
120
3.0
2.1
1.0
160
A
A
V
ns
Error Amplifier
Internal Reference Voltage
Reference PSRR
FB Input Bias Current
Output Source Current
Output Sink Current
Output High Voltage
Output Low Voltage
Unity Gain Bandwidth
Open Loop Amplifier Gain
Amplifier Transconductance
?
(Note 5)
?
V C = 1.270 V, V FB = 1.0 V
V C = 1.270 V, V FB = 2.0 V
V FB = 1.0 V
V FB = 2.0 V
(Note 5)
(Note 5)
(Note 5)
1.244
?
?
15
15
1.39
5.0
?
?
?
1.270
40
0.02
25
25
1.46
20
500
70
6.4
1.296
?
0.1
35
35
1.53
60
?
?
?
V
dB
m A
m A
m A
V
mV
kHz
dB
mA/V
Sync
Sync Frequency Range
Sync Pin Bias Current
Sync Threshold Voltage
V SYNC = 5.0 V
?
?
190
?
0.9
?
360
1.5
355
485
1.9
kHz
m A
V
Shutdown
Shutdown Threshold Voltage
SHDNB Input Current
V in = 5.0 V, (Note 5)
?
1.0
?
1.3
4.0
1.6
?
V
m A
Thermal Shutdown
Overtemperature Trip Point
Thermal Shutdown Hysteresis
(Note 5)
(Note 5)
175
?
185
42
195
?
° C
° C
5. Guaranteed by design, not 100% tested in production.
http://onsemi.com
4
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