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CS51031YDR8 数据表(PDF) 3 Page - ON Semiconductor

部件名 CS51031YDR8
功能描述  Fast P?묬h FET Buck Controller
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

CS51031YDR8 数据表(HTML) 3 Page - ON Semiconductor

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CS51031
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3
ELECTRICAL CHARACTERISTICS (Specifications apply for 4.5
≤ VCC ≤ 16 V, 3.0 V ≤ VC ≤ 16 V;
Industrial Grade: −40
°C < TA < 85°C; −40°C < TJ < 125°C: Commercial Grade: 0°C < TA < 70°C; 0°C < TJ < 125°C, unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Oscillator
VFB = 1.2 V
Frequency
COSC = 470 pF
160
200
240
kHz
Charge Current
1.4 V < VCOSC < 2.0 V
110
mA
Discharge Current
2.7 V > VCOSC > 2.0 V
660
mA
Maximum Duty Cycle
1 − (tOFF/tON)
80.0
83.3
%
Short Circuit Timer
VFB = 1.0 V; CS = 0.1 mF; VCOSC = 2.0 V
Charge Current
1.0 V < VCS < 2.0 V
175
264
325
mA
Fast Discharge Current
2.55 V > VCS > 2.4 V
40
66
80
mA
Slow Discharge Current
2.4 V > VCS > 1.5 V
4.0
6.0
10
mA
Start Fault Inhibit Time
0 V < VCS < 2.5 V
0.70
0.85
1.40
ms
Valid Fault Time
2.6 V > VCS > 2.4 V
0.2
0.3
0.45
ms
GATE Inhibit Time
2.4 V > VCS > 1.5 V
9.0
15
23
ms
Fault Duty Cycle
2.5
3.1
4.6
%
CS Comparator
VFB = 1.0 V
Fault Enable CS Voltage
2.5
V
Max CS Voltage
VFB = 1.5 V
2.6
V
Fault Detect Voltage
VCS when GATE goes high
2.4
V
Fault Inhibit Voltage
Minimum VCS
1.5
V
Hold Off Release Voltage
VFB = 0 V
0.4
0.7
1.0
V
Regulator Threshold Voltage Clamp
VCS = 1.5 V
0.725
0.866
1.035
V
VFB Comparators
VCOSC = VCS = 2.0 V
Regulator Threshold Voltage
TJ = 25°C (Note 3)
TJ = −40 to 125°C
1.225
1.210
1.250
1.250
1.275
1.290
V
V
Fault Threshold Voltage
TJ = 25°C (Note 3)
TJ = −40 to 125°C
1.12
1.10
1.15
1.15
1.17
1.19
V
V
Threshold Line Regulation
4.5 V
≤ VCC ≤ 16 V
6.0
15
mV
Input Bias Current
VFB = 0 V
1.0
4.0
mA
Voltage Tracking
(Regulator Threshold − Fault Threshold Voltage)
70
100
120
mV
Input Hysteresis Voltage
4.0
20
mV
Power Stage
VCC = VC = 10 V; VFB = 1.2 V
GATE DC Low Saturation Voltage
VCOSC = 1.0 V; 200 mA Sink
1.2
1.5
V
GATE DC High Saturation Voltage
VCOSC = 2.7 V; 200 mA Source; VC = VGATE
1.5
2.1
V
Rise Time
CGATE = 1.0 nF; 1.5 V < VGATE < 9.0 V
25
60
ns
Fall Time
CGATE = 1.0 nF; 9.0 V > VGATE > 1.5 V
25
60
ns
VCC Monitor
Turn−On Threshold
4.200
4.400
4.600
V
Turn−Off Threshold
4.085
4.300
4.515
V
Hysteresis
65
130
200
mV
Current Drain
ICC
4.5 V < VCC < 16 V, Gate switching
4.5
6.0
mA
IC
3.0 V < VC < 16 V, Gate non−switching
2.7
4.0
mA
Shutdown ICC
VCC = 4.0
500
900
mA
3. Guaranteed by design, not 100% tested in production.


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