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NCP81233MNTXG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P44
NCP81233
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13
TABLE 3. ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 12 V, typical values are referenced to T
A
= T
J
= 25°C, Min and Max values are referenced to T
A
= T
J
= −40°C to 100°C. unless
other noted.)
Characteristics UNITSMAXTYPMINSymbolTest Conditions
I
2
C INTERFACE
Logic Low Input Voltage
VIL(SDA, SCL) 0.7 V
Hysteresis 350 mV
SDA Output Low Voltage ISDA = −4 mA VOL 0.3 V
Input Current IIH; IIL −1.0 1.0
mA
Input Capacitance (Note 7) CSCL, SDA 5.0 pF
Clock Frequency (Note 7) fSCL 400 kHz
SCL Falling Edge to SDA Valid Time (Note 7) 1.0
ms
ALERT# Low Voltage I
ALERT
= −4 mA
V
LALERT
0.3
V
ALERT# Leakage Current ALERT# = 5 V
I
lkgALERT
1.0 mA
PGOOD
PGOOD Startup Delay
Measured from end of Soft Start to
PGOOD assertion (Note 7)
T
d_PGOOD
100
ms
PGOOD Shutdown Delay Measured from EN to PGOOD
de-assertion
250
ns
PGOOD Low Voltage I
PGOOD
= −4 mA
V
lPGOOD
0.3
V
PGOOD Leakage Current PGOOD = 5 V
I
lkgPGOOD
1.0 mA
PROTECTIONS
Current Limit Threshold
Measured from
ILIMT to GND
ISP−ISN = 50 mV
V
OCTH
285 300 315
mV
ISP−ISN = 2 0 mV 110 120 130
Over Current Protection (OCP)
Debounce Time
(Note 7) 8 Cycles us
Under Voltage Threshold Below DAC VSP falling V
UVTH
250 300 350 mV
Under Voltage Protection (UVP)
Hysteresis
V
UVHYS
25 mV
Under-voltage Debounce Time (Note 7) 5
ms
Shutdown Time in Hiccup Mode UVP (Note 7)
OCP (Note 7)
OTP (Note 7)
30
40
20
ms
Absolute Over Voltage Threshold During
Soft-Start
VSP-GND 2.0 2.1 2.2 V
Absolute Over Voltage Threshold
Hysteresis
−25 mV
Over Voltage Threshold Above DAC VSP rising V
OVTH
175
200
225 mV
Over Voltage Protection Hysteresis VSP falling V
OVHYS
−25 mV
Over Voltage Debounce Time VSP rising to GH low 1.0 us
Offset Voltage of OTP Comparator VILMT = 200 mV V
OS_OTP
−2 2 mV
OTP Source Current I
OTP
9 10 11
mA
OTP Debounce Time (Note 7) 140 ns
Thermal Shutdown (TSD) Threshold (Note 7) T
sd
140 150 °C
Recovery Temperature Threshold (Note 7) T
rec
125 °C
Thermal Shutdown (TSD) Debounce
Time
(Note 7) 120 ns
NCP81233
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14
TABLE 3. ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 12 V, typical values are referenced to T
A
= T
J
= 25°C, Min and Max values are referenced to T
A
= T
J
= −40°C to 100°C. unless
other noted.)
Characteristics UNITSMAXTYPMINSymbolTest Conditions
ENABLE
EN Operation Voltage Range 0 3.5 V
EN ON Threshold V
EN_TH
0.7 0.8 0.85 V
Hysteresis Source Current VCC5V is OK I
EN_HYS
25 30 35
mA
DRVON
DRVON Operation Voltage Range 0 2.0 V
DRVON ON Threshold V
DRVON_TH
0.75 0.8 0.85 V
Hysteresis Source Current VCC5V is OK I
DRVON_HYS
25 30 35
mA
VB_RST# and PSI
High Threshold
V
highRST
1.5 − − V
Low Threshold V
lowRST
− − 0.7 V
Hysteresis V
hysRST
350 mV
Input Bias Current External 1 K pull−up to 3.3 V I
biasRST
− − 1.0
mA
PWM MODULATION
Minimum On Time (Note 7) T
on_min
50 ns
Minimum Off Time (Note 7) T
off_min
160 ns
0% Duty Cycle
COMP voltage when the PWM outputs
remain Lo (Note 7)
1.3 V
100% Duty Cycle
COMP voltage when the PWM outputs
remain HI, Vin = 12.0 V (Note 7)
2.5 V
Ramp Feed*forward Voltage Range (Note 7) 4.5 20 V
PWM OUTPUT
PWM Output High Voltage
Isourse = 0.5 mA V
PWM_H
V
CC
−0.2
V
PWM Output Low Voltage Isink = 0.5 mA V
PWM_L
0.2 V
Rise and Fall Times
CL (PCB) = 50 pF, measured between
10% & 90% of V
CC (Note 7)
10 ns
Leakage Current in Hi-Z Stage I
LK_PWM
−1.0 1.0
mA
7. Guaranteed by design, not tested in production.
Table 4. RESISTOR OPTIONS FOR FUNCTION PROGRAMMING
Resistance Range (kW) Resistor Options (kW)
MIN TYP MAX +5% +1%
2.565 2.7 2.835 2.7 2.61 2.67 2.74 2.80
4.845 5.1 5.355 5.1 4.87 4.99 5.11 5.23
7.79 8.2 8.61 8.2 7.87 8.06 8.25 8.45
12.35 13 13.65 13 12.4 12.7 13 13.3
19 20 21 20 19.1 19.6 20 20.5
31.35 33 34.65 33 31.6 32.4 33.2 34
NCP81233
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15
TABLE 5. VBOOT CODES
VBOOT1 VBOOT2 Voltage(V) HEX VBOOT1 VBOOT2 Voltage(V) HEX
0 0 0 0 0 0 0.6 00 1 0 0 0 0 0 0.92 20
0 0 0 0 0 1 0.61 01 1 0 0 0 0 1 0.93 21
0 0 0 0 1 0 0.62 02 1 0 0 0 1 0 0.94 22
0 0 0 0 1 1 0.63 03 1 0 0 0 1 1 0.95 23
0 0 0 1 0 0 0.64 04 1 0 0 1 0 0 0.96 24
0 0 0 1 0 1 0.65 05 1 0 0 1 0 1 0.97 25
0 0 0 1 1 0 0.66 06 1 0 0 1 1 0 0.98 26
0 0 0 1 1 1 0.67 07 1 0 0 1 1 1 0.99 27
0 0 1 0 0 0 0.68 08 1 0 1 0 0 0 1 28
0 0 1 0 0 1 0.69 09 1 0 1 0 0 1 1.01 29
0 0 1 0 1 0 0.7 0A 1 0 1 0 1 0 1.02 2A
0 0 1 0 1 1 0.71 0B 1 0 1 0 1 1 1.03 2B
0 0 1 1 0 0 0.72 0C 1 0 1 1 0 0 1.04 2C
0 0 1 1 0 1 0.73 0D 1 0 1 1 0 1 1.05 2D
0 0 1 1 1 0 0.74 0E 1 0 1 1 1 0 1.06 2E
0 0 1 1 1 1 0.75 0F 1 0 1 1 1 1 1.07 2F
0 1 0 0 0 0 0.76 10 1 1 0 0 0 0 1.08 30
0 1 0 0 0 1 0.77 11 1 1 0 0 0 1 1.09 31
0 1 0 0 1 0 0.78 12 1 1 0 0 1 0 1.1 32
0 1 0 0 1 1 0.79 13 1 1 0 0 1 1 1.11 33
0 1 0 1 0 0 0.8 14 1 1 0 1 0 0 1.12 34
0 1 0 1 0 1 0.81 15 1 1 0 1 0 1 1.13 35
0 1 0 1 1 0 0.82 16 1 1 0 1 1 0 1.14 36
0 1 0 1 1 1 0.83 17 1 1 0 1 1 1 1.15 37
0 1 1 0 0 0 0.84 18 1 1 1 0 0 0 1.16 38
0 1 1 0 0 1 0.85 19 1 1 1 0 0 1 1.17 39
0 1 1 0 1 0 0.86 1A 1 1 1 0 1 0 1.18 3A
0 1 1 0 1 1 0.87 1B 1 1 1 0 1 1 1.19 3B
0 1 1 1 0 0 0.88 1C 1 1 1 1 0 0 1.2 3C
0 1 1 1 0 1 0.89 1D 1 1 1 1 0 1 1.21 3D
0 1 1 1 1 0 0.9 1E 1 1 1 1 1 0 1.22 3E
0 1 1 1 1 1 0.91 1F 1 1 1 1 1 1 1.23 3F
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P44

NCP81233MNTXG

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Manufacturer:
ON Semiconductor
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Switching Controllers MULTI-PHASE CONTROLLER WI
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