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NCP5269 Datasheet(PDF) 7 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) 7 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
INTERNAL BST DIODE
Forward Voltage Drop
IF = 10 mA, TA = 25°C
0.3
V
Reverse−bias Leakage Current
VBST = 34 V, VSW = 28 V,
TA = 25°C
0.1
1
mA
SOFT STOP
Output Discharge On−Resistance
EN = 0, Vout = 0.65 V
14
30
W
Discharge Threshold in Vcc
0.6
V
SOFT START
Soft Start Current
ISS
20
mA
OSCILLATOR
Oscillator Frequency
FSW
Rset = 2K
270
300
330
KHz
Oscillator Frequency Accuracy
±10
%
GATE DRIVER
GH Pull−High Resistance (Note 2)
RH_GH
Source, V(BST−GH) = 0.1
1.3
1.8
W
GH Pull−Low Resistance (Note 2)
RL_GH
Sink, V(GH−SWN) = 0.1 V
1.1
1.6
W
GL Pull−High Resistance (Note 2)
RH_GL
Source, V(VCC−GL) = 0.1 V
1.0
1.8
W
GL Pull−Low Resistance (Note 2)
RL_GL
Sink, V(GL−PGND) = 0.1 V
0.5
0.9
W
GH Source Current
2
A
GH Sink Current
2
A
GL Source Current
2
A
GL Sink Current
4
A
Dead Time
GL off to GH on
10
20
30
ns
GH off to GL on
10
20
30
THERMAL SHUTDOWN
Thermal Shutdown Threshold (Note 2)
150
°C
Thermal Shutdown Hysteresis (Note 2)
25
°C
2. Guaranteed by characterization or correlation, not production tested


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