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NCP5269 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. NCP5269
Description  Synchronous Buck Controller with Auto Power Controller with Auto Power Inputs for System Agent
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP5269 Datasheet(HTML) 5 Page - ON Semiconductor

 
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NCP5269
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Table 3. ELECTRICAL CHARACTERISTICS
(VCC = VCCP = 5.0 V, Vout = 1.0 V, TA = +25°C for typical value; −40°C < TA < 100°C for min/max values unless noted otherwise)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
POWER SUPPLY
VCC Operation Voltage
VCC
4.5
5
5.5
V
VCCP Operation Voltage
VCCP
4.5
5
5.5
V
VOLTAGE MONITORING & PROTECTION
VCC Start Threshold
3.9
4.2
4.45
V
VCC UVLO Hysteresis
300
350
400
mV
Power Good Low Voltage
IPG(sink) = 4 mA
230
300
mV
Power Good High Leakage Current
1.0
mA
Power Good Startup Delay (Note 2)
Measure from SSEND to PG
pos edge
3.3
ms
Power Good Propagation Delay
Delay for power good in
3.3
ms
Delay for power good out
1.5
ms
Power Good Threshold
Power Good in from high
101.5
105
107.5
%
Power Good in from low
92.5
95
98.5
%
PG hysteresis
5
%
Power Good Masking Time
Triggered by any VID Change
425
ms
FB Overvoltage Threshold
VOVFB−VID
Relative to nominal VID Voltage
150
200
250
mV
Overvoltage Propagation Delay
1.5
ms
FB Over Voltage Threshold During Soft−
Start
2.0
V
FB Under−Voltage Trip Threshold
VUVFB−VID
Relative to nominal VID Voltage
−360
−300
−240
mV
Undervoltage Protection Blanking Time
3.3
ms
SUPPLY CURRENT
VCC Quiescent Current
IVCC
Vskip = 0 V, VFB = 1.5 V, EN = 5.0
(No Switching),
GH and GL are open
3.9
5
mA
VCC Shutdown Supply Current
IVCC_SD
EN = 0 V
3
mA
VCCP Quiescent Current
IVCCP
Vskip = 0 V, VFB = 1.5 V, EN = 5.0
(No Switching),
GH and GL are open
0.3
mA
VCCP Shutdown Supply Current
IVCCP_SD
EN = 0 V
1
mA
BST Quiescent Current
IBST
Vskip = 0 V, VFB = 1.5 V, EN = 5.0
(No Switching),
GH and GL are open
0.33
mA
BST Shutdown Supply Current
IBST_SD
EN = 0, BST = 5 V, SWN = 0
1
mA
FEEDBACK VOLTAGE
Reference Voltage
VREF
0.65
V
System Accuracy
VID0 = VID1 = High,
PWM in CCM mode,
−40°C < TA < 100°C
−1.0
+1.0
%
TA = 25°C
−0.35
+0.35
%
Feedback Voltage Line Regulation
Vcc = 4.5 V ~ 5.5 V
0.75
%/V
2. Guaranteed by characterization or correlation, not production tested


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