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NCP81243 Datasheet(PDF) 13 Page - ON Semiconductor

Part No. NCP81243
Description  Dual Output 3 & 2 Phase Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP81243 Datasheet(HTML) 13 Page - ON Semiconductor

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NCP81243
www.onsemi.com
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Table 4. NCP81243 (3+2) ELECTRICAL CHARACTERISTICS
Unless otherwise stated: −40
°C < TA < 100°C; 4.75 V < VCC < 5.25 V; CVCC = 0.1 mF
Parameter
Unit
Max
Typ
Min
Test Conditions
ADC
Round Robin
90
ms
VRDY OUTPUT
Output Low Saturation Voltage
IVDD(A)_VRDY = 4 mA
0.3
V
Rise Time
External pull−up of 1K
W to 3.3V,
CTOT = 45 pF, DVo = 10% to 90%
150
ns
Fall Time
External pull−up of 1 K
W to 3.3 V,
CTOT = 45 pF, DVo = 90% to 10%
150
ns
Output Voltage at Power−up
VRDY pulled up to 5 V via 2 K
W enable low
0.1
V
Output Leakage Current When High
VRDY = 5.0 V
−1.0
1.0
mA
VRDY Delay (falling)
From OCP
50
ms
From OVP
300
ns
PWM (A), OUTPUTS
Output High Voltage
Sourcing 500
mA
VCC – 0.2V
V
Output Mid Voltage
No load
1.9
2.0
2.1
V
Output Low Voltage
Sinking 500
mA
0.7
V
Rise and Fall Time
CL (PCB) = 50 pF,
DVo =10% to 90% of VCC
10
ns
Tri−State Output Leakage
Gx = 2.0V, x = 1−2, EN=Low
−1.0
1.0
mA
PHASE DETECTION
CSP2, CSP3, CSP1A, CSP2A
Pin Threshold Voltage
4.7
V
Phase Detect Timer
100
ms
3. Guaranteed by design or characterization. Not in production testing


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