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CS51411GD8 bảng dữ liệu(PDF) 4 Page - ON Semiconductor

tên linh kiện CS51411GD8
Giải thích chi tiết về linh kiện  1.5 A, 260 kHz and 520 kHz, Low Voltage Buck Regulators with External Bias or Synchronization Capability
PDF  20 Pages
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nhà sản xuất  ONSEMI [ON Semiconductor]
Trang chủ  http://www.onsemi.com
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CS51411GD8 bảng dữ liệu(HTML) 4 Page - ON Semiconductor

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CS51411, CS51412, CS51413, CS51414
http://onsemi.com
4
MAXIMUM RATINGS
Pin Name
VMax
VMIN
ISOURCE
ISINK
VIN
40 V
−0.3 V
N/A
4.0 A
BOOST
40 V
−0.3 V
N/A
100 mA
VSW
40 V
−0.6 V/−1.0 V, t < 50 ns
4.0 A
10 mA
VC
7.0 V
−0.3 V
1.0 mA
1.0 mA
SHDNB
7.0 V
−0.3 V
1.0 mA
1.0 mA
SYNC
7.0 V
−0.3 V
1.0 mA
1.0 mA
BIAS
7.0 V
−0.3 V
1.0 mA
50 mA
VFB
7.0 V
−0.3 V
1.0 mA
1.0 mA
GND
7.0 V
−0.3 V
50 mA
1.0 mA
ELECTRICAL CHARACTERISTICS (−40
°C < TJ < 125°C (CS51411E/2E/3E/4E); −40°C < TA < 85°C (CS51411E/2E/3E/4E);
0
°C < TA < 70°C (CS51411G/2G/3G/4G), 4.5 V< VIN < 40 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Oscillator
Operating Frequency
CS51411/CS51412
224
260
296
kHz
Operating Frequency
CS51413/CS51414
446
520
594
kHz
Frequency Line Regulation
−
−
0.05
0.15
%/V
Maximum Duty Cycle
−
85
90
95
%
VFB Frequency Foldback Threshold
−
0.29
0.32
0.36
V
PWM Comparator
Slope Compensation Voltage
CS51411/CS51412, Fix VFB, DVC/DTON
CS51413/CS51414
8.0
25
17
50
26
75
mV/
ms
mV/
ms
Minimum Output Pulse Width
CS51411/CS51412, VFB to VSW
CS51413/CS51414, VFB to VSW
−
−
150
−
300
230
ns
ns
Power Switch
Current Limit
VFB > 0.36 V
1.6
2.3
3.0
A
Foldback Current
VFB < 0.29 V
0.9
1.5
2.1
A
Saturation Voltage
IOUT = 1.5 A, VBOOST = VIN + 2.5 V
0.4
0.7
1.0
V
Current Limit Delay
(Note 2)
−
120
160
ns
Error Amplifier
Internal Reference Voltage
−
1.244
1.270
1.296
V
Reference PSRR
(Note 2)
−
40
−
dB
FB Input Bias Current
−
−
0.02
0.1
mA
Output Source Current
VC = 1.270 V, VFB = 1.0 V
15
25
35
mA
Output Sink Current
VC = 1.270 V, VFB = 2.0 V
15
25
35
mA
Output High Voltage
VFB = 1.0 V
1.39
1.46
1.53
V
Output Low Voltage
VFB = 2.0 V
5.0
20
60
mV
Unity Gain Bandwidth
(Note 2)
−
500
−
kHz
Open Loop Amplifier Gain
(Note 2)
−
70
−
dB
Amplifier Transconductance
(Note 2)
−
6.4
−
mA/V
2. Guaranteed by design, not 100% tested in production.



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