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NCP5269 Datasheet(PDF) 6 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) 6 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
Units
Max
Typ
Min
Test Conditions
Symbol
VOLTAGE ERROR AMPLIFIER
Open Loop DC Gain (Note 2)
80
dB
Open Loop Unity Gain Bandwidth
(Note 2)
F0dB,EA
20
MHz
FB Input Voltage Range (Note 2)
0
2.0
V
FB Bias Current (Note 2)
Relative to CSN = VID
−1
1
mA
Slew Rate
COMP pin to GND = 10 pF
10
V/ms
Maximum Output Voltage
10 mV of overdrive,
ISOURCE = 2.0 mA
3.3
3.5
V
Minimum Output Voltage
10 mV of overdrive,
ISINK = 2.0 mA
0.2
0.3
V
Output Source Current
10 mV of overdrive, Vout = 3.5 V
2
mA
Output Sink Current
10 mV of overdrive, Vout = 1.0 V
2
mA
DIFFERENTIAL CURRENT SENSE AMPLIFIER
CSP and CSN Common−mode Input
Voltage Range
Refer to AGND
−0.2
2.0
V
Differential Input Voltage Range
−30
30
mV
OVER CURRENT PROTECTION
OCP Threshold
V(CSP)−V(CSN),
Vo = 1 V
Vo = 0.5 V ~ 1.5 V
27
26
30
30
33
34
mV
2_BITS VID
VID0, VID1 High Threshold Voltage
0.65
V
VID0, VID1 Low Threshold Voltage
0.4
V
VID0, VID1 Input Bias Current
VID = 0 V
1
nA
VID0, VID1 Pull Down Current
2.5
mA
Charging current during VID up (Note 2)
73
mA
Discharging current during VID down
(Note 2)
90
mA
VID Delay time
Any VID edge to 10% of FB
change
200
ns
EN
EN High Threshold Voltage
1.4
V
EN Low Threshold Voltage
0.4
V
EN Input Bias Current
IEN
EN = 5 V
10
mA
EN Input Voltage
5.5
V
PWM
Minimum Controllable ON Time (Note 2)
30
ns
Minimum OFF Time (Note 2)
300
400
500
ns
PWM Ramp Amplitude (Note 2)
VIN = 5 V
1.25
V
VIN = 12 V
3
V
2. Guaranteed by characterization or correlation, not production tested


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