ncp5217a ON Semiconductor, ncp5217a Datasheet - Page 6

• Manufacturer Part Number: ncp5217a
• Description: Single Synchronous Step-down Controller
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
GATE DRIVERS
CONTROL SECTION
OUTPUT DISCHARGE MODE
TRE SETTING
THERMAL SHUTDOWN
2. Guaranteed by design, not tested in production.
DH Source Current
DH Sink Current
DL Source Current
DL Sink Current
Dead Time
Negative Current Detection
Threshold
SWN source leakage
Internal Resistor from DH to
SWN
EN_SKIP Logic Input Voltage
for Disable
EN_SKIP Logic Input Voltage
for FPWM
EN_SKIP Logic Input Voltage
for Skip Mode
EN_SKIP Source Current
EN_SKIP Sink Current
PGOOD Pin ON Resistance
PGOOD Pin OFF Current
Output Discharge
On−Resistance
Threshold for Discharge Off
TRE Threshold Detection
Current
Detection Voltage for TRE
Threshold Selection
TRE Comparator Offset
Propagation Delay of TRE
Comparator
Thermal Shutdown
Thermal Shutdown Hysteresis
Characteristics
IEN_SOURCE
VEN_Disable
R_DH_SWN
VEN_FPWM
VDL_TRE_1
VDL_TRE_2
VDL_TRE_3
PGOOD_LK
Isource_DH
Isource_DL
PGOOD_R
Rdischarge
VEN_SKIP
Vth_DisOff
I_TRESET
ISWN_SD
IEN_SINK
TD_PWM
Isink_DH
NCD_TH
Isink_DL
TRE_OS
(Default)
Symbol
TD_LH
TD_HL
Tsdhys
(V
Tsd
IN
= 12 V, V
soft−start. (Rtre = 47 kW is connected from
CC
Source from DL in the short period before
Internal TRE_TH is
Internal TRE_TH is
TRE is Disabled
http://onsemi.com
set to 300 mV
set to 500 mV
= 5 V, T
SWN−PGND, at EN_SKIP = 5 V
DL−off to DH−on (Note 2)
DH−off to DL−on (Note 2)
A
Set as FCCM mode
Set as SKIP Mode
I_PGOOD = 5 mA
VEN_SKIP = 0 V
VEN_SKIP = 5 V
6
Test Conditions
= −40°C to 85°C, unless other noted)
EN_SKIP = 0 V
Set as Disable
DL to GND
Hysteresis
Hysteresis
EN = 0 V
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
Rtre = 44 ~ 50 kW
Rtre w 75 kW
Rtre v 25 kW
(Note 2)
(Note 2)
(Note 2)
2.35
Min
150
100
500
300
0.7
1.7
0.2
7.2
0
1.95
Typ
100
200
175
100
600
150
1.7
1.3
3.3
1.0
2.6
0.3
20
20
−1
20
10
20
25
1
8
2.25
2.85
Max
250
250
700
450
250
1.3
0.1
0.1
0.4
8.8
35
1
1
Unit
mV
mV
mV
mV
mV
uA
kW
mA
mA
mA
mA
ns
ns
°C
°C
W
W
A
A
A
A
V
V
V
V