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參數(shù)資料
| 型號： | NCV51411 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.5A, 260kHz, Low Voltage Buck Regulator with Synchronization Capability(具有同步能力的1.5A, 260kHz,低壓降壓調(diào)整器) |
| 中文描述： | 1.5A的，260kHz，低電壓降壓穩(wěn)壓器與同步功能（具有同步能力的1.5A的，260kHz，低壓降壓調(diào)整器） |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 181K |
| 代理商： | NCV51411 |
NCV51411
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(40
°
C < T
J
< 125
°
C, 4.5 V< V
IN
< 40
V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Oscillator
Operating Frequency
224
260
296
kHz
Frequency Line Regulation
0.05
0.15
%/V
Maximum Duty Cycle
85
90
95
%
V
FB
Frequency Foldback Threshold
0.29
0.32
0.36
V
PWM Comparator
Slope Compensation Voltage
Fix V
FB,
V
C
/ T
ON
8.0
17
26
mV/ s
Minimum Output Pulse Width
V
FB
to V
SW
150
300
ns
Power Switch
Current Limit
V
FB
> 0.36 V
1.6
2.3
3.0
A
Foldback Current
V
FB
< 0.29 V
0.9
1.5
2.1
A
Saturation Voltage
I
OUT
= 1.5 A, V
BOOST
= V
IN
+ 2.5 V
0.4
0.7
1.0
V
Current Limit Delay
Note 3
120
160
ns
Error Amplifier
Internal Reference Voltage
1.244
1.270
1.296
V
Reference PSRR
Note 3
40
dB
FB Input Bias Current
0.02
0.1
A
Output Source Current
V
C
= 1.270 V, V
FB
= 1.0 V
15
25
35
A
Output Sink Current
V
C
= 1.270 V, V
FB
= 2.0 V
15
25
35
A
Output High Voltage
V
FB
= 1.0 V
1.39
1.46
1.53
V
Output Low Voltage
V
FB
= 2.0 V
5.0
20
60
mV
Unity Gain Bandwidth
Note 3
500
kHz
Open Loop Amplifier Gain
Note 3
70
dB
Amplifier Transconductance
Note 3
6.4
mA/V
Sync
Sync Frequency Range
305
470
kHz
Sync Pin Bias Current
V
SYNC
= 0 V
V
SYNC
= 5.0 V
230
0.1
360
0.2
485
A
A
Sync Threshold Voltage
0.9
1.5
1.9
V
Shutdown
Shutdown Threshold Voltage
1.0
1.3
1.6
V
Shutdown Pin Bias Current
V
SHDNB
= 0 V
0.14
5.00
35
A
Thermal Shutdown
Overtemperature Trip Point
Note 3
175
185
195
°
C
Thermal Shutdown Hysteresis
Note 3
42
°
C
3. Guaranteed by design, not 100% tested in production.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV51411DR2 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.5A Low Voltage RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCV51411DR2G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.5A Low Voltage Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCV51411MNR2 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1.5 A, 260 kHz, Low Voltage Buck Regulator with Synchronization Capability |
| NCV51411MNR2G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 BUCK REGULATOR RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCV51411PWR2 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.5A Low Voltage RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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