NCP5393 Datasheet, PDF (10/21 Pages) ON Semiconductor – 2/3/4-Phase Controller for CPU Applications

NCP5393
ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°CvT_Av70°C; 4.75 VvV_CCv5.25 V; All DAC Codes; C_VCC = 0.1 mF)
Parameter
Test Conditions
Min
Typ
Max
Unit
PWRGOOD OUTPUT
PWRGOOD Upper Threshold
PWRGOOD Lower Threshold
PWM OUTPUTS (V_DD & V_DDNB)
Output Voltage (High)
Output Voltage (Mid)
Output Voltage (Low)
V_OUT Increasing, DAC = 1.3 V (Wrt DAC)
V_OUT Decreasing, DAC = 1.3 V
Sourcing 500 mA
R_L = 4 kW to GND
Sinking 500 mA
-
300
-
mV
-
350
-
mV
3.0
-
V_CC
V
1.3
1.5
1.7
V
-
-
0.15
V
Rise and Fall Times
Tri-State Output Leakage
C_L = 50 pF, 0.7 V to 3.0 V or 3.0 V to 0.7 V
Gx = 2.5 V (x = 1-4 or NB)
-
15
-
ns
-1.5
-
1.5
mA
Output Impedance - HIGH or LOW
State
Resistance to V_CC or GND
-
50
-
W
VDD REGULATOR 2/3/4 PHASE DETECTION
Gate Pin Source Current
-
80
-
mA
Gate Pin Threshold Voltage
-
250
-
mV
Phase Detect Timer
-
20
-
ms
SLEW RATE LIMITERS
Soft Start Ramp Time
DAC = 0 to DAC = BOOT_VID
-
2
-
ms
Slew Rate Limit
In Any Mode after Soft-Start Completes
-
3.25
-
mV/ms
VID INPUTS (Note: In SVI Mode, VID[2] = Bidirectional “SVD' Line and VID[3] = “SVC” Clock Input)
VID Input Voltage (High)
VID Input Voltage (Low)
VID Hysteresis
Input Pulldown Current
SVD Output Voltage (Low)
ENABLE INPUT
V_HIGH
V_LOW
V_HIGH - V_LOW or V_LOW - V_HIGH
V_IN = 0.6 V - 1.9 V
In SVI Mode, I_SINK = 5 mA
0.9
-
-
V
-
-
0.6
V
-
100
-
mV
-
15
-
mA
0
-
0.25
V
ENABLE Input Voltage (High)
ENABLE Input Voltage (Low)
Enable Hysteresis
V_HIGH
V_LOW
Low - High or High - Low
2.0
-
-
V
-
-
0.8
V
-
200
-
mV
Enable Input Pull-Up Current
VFIXEN INPUT (Active-Low Input)
Internal Pullup to V_CC
-
15
-
mA
VFIXEN Input Voltage (High)
VFIXEN Input Voltage (Low)
VFIXEN Hysteresis
V_HIGH
V_LOW
Low - High or High - Low
0.9
-
-
V
-
-
0.6
V
100
mV
VFIXEN Input Pull-Up Current
Internal Pullup to V_CC
3. Guaranteed by design. Not production tested.
-
15
-
mA
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