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NCP5222MNR2G Datasheet(PDF) 9 Page - ON Semiconductor

Part # NCP5222MNR2G
Description  High Performance Dual-Channel / Two-Phase Synchronous Buck Controller for Notebook Power System
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP5222MNR2G Datasheet(HTML) 9 Page - ON Semiconductor

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NCP5222
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ELECTRICAL CHARACTERISTICS (VCC = 5 V, VIN = 12 V, TA = −40°C to 85°C, unless other noted)
Characteristics
Unit
Max
Typ
Min
Test Conditions
Symbol
CONFIGURATION DETECTION
Configuration Detection Time
TCD
53
ms
Pull−LOW Resistance in Detection
RL_CD
2
kW
Detection Threshold
VCD
VCCP pin to DRVS/2CH pin
0.5
V
GATE DRIVER
DH Pull−HIGH Resistance
RH_DH1,
RH_DH2
2.5
5
W
DH Pull−LOW Resistance
RL_DH1,
RL_DH2
1.5
2.5
W
DL Pull−HIGH Resistance
RH_DL1,
RH_DL2
2
3
W
DL Pull−LOW Resistance
RL_DL1,
RL_DL2
0.75
1.5
W
Dead Time
TLH
DL−off to DH−on (see
Figure 4)
10
25
40
ns
THL
DH−off to DL−on (see
Figure 4)
10
25
40
ns
CONTROL LOGIC
EN Logic Input Voltage Threshold for
Disable
VEN_Disable
EN goes low
0.7
1.0
1.3
V
Hysteresis
150
200
250
mV
EN Logic Input Voltage Threshold for
FPWM
VEN_FPWM
1.7
1.95
2.25
V
EN Logic Input Voltage Threshold for
Skip
VEN_SKIP
EN goes high
2.4
2.65
2.9
V
Hysteresis
100
175
250
mV
EN Source Current
IEN_SOURCE
EN = 0 V (Note 3)
0.1
mA
EN Sink Current
IEN_SINK
EN = 5 V (Note 3)
0.1
mA
PGOOD Pin ON Resistance
PGOOD_R
I_PGOOD = 5 mA
70
W
PGOOD Pin OFF Current
PGOOD_LK
1
mA
OUTPUT DISCHARGE MODE
Output Discharge On−Resistance
Rdischarge
EN = 0 V, Vout = 0.5 V
25
35
W
THERMAL SHUTDOWN
Thermal Shutdown
Tsd
Shutdown Threshold (Note 3)
150
°C
Hysteresis (Note 3)
−25
°C
3. Guaranteed by design, not tested in production.
T
LH
1 V
1 V
T
HL
DH−SWN
DL−PGND
Figure 4. Dead Time between High−Side Gate Drive and Low−Side Gate Drive


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