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CS51031YDR8 Datenblatt(PDF) 2 Page - ON Semiconductor

Teilenummer CS51031YDR8
Bauteilbeschribung  Fast PFET Buck Controller
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Hersteller  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS51031YDR8 Datenblatt(HTML) 2 Page - ON Semiconductor

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CS51031
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MAXIMUM RATINGS*
Rating
Value
Unit
Power Supply Voltage, VCC
20
V
Driver Supply Voltage, VC
20
V
Driver Output Voltage, VGATE
20
V
COSC, CS, VFB (Logic Pins)
6.0
V
Peak Output Current
1.0
A
Steady State Output Current
200
mA
Operating Junction Temperature, TJ
150
°C
Operating Temperature Range, TA
–40 to 85
°C
Storage Temperature Range, TS
–65 to 150
°C
ESD (Human Body Model)
2.0
kV
Lead Temperature Soldering:
Wave Solder: (through hole styles only) (Note 1)
Reflow (SMD styles only) (Note 2)
260 peak
230 peak
°C
°C
1. 10 sec. maximum.
2. 60 sec. max above 183
°C.
*The maximum package power dissipation must be observed.
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
µA
Discharge Current
2.7 V > VCOSC > 2.0 V
660
µA
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
µA
Fast Discharge Current
2.55 V > VCS > 2.4 V
40
66
80
µA
Slow Discharge Current
2.4 V > VCS > 1.5 V
4.0
6.0
10
µA
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


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