NCP5316
ELECTRICAL CHARACTERISTICS (0°C < T < 70°C; V
= V = 12 V; C
= 100 pF, C
= 0.01 m F,
A
CCL
CC
GATEx
COMP
C
= 0.1 m F, C
= 0.1 m F, R = 32.4 kW, V(I ) = 3.3 V, V(IP ) = 3.3 V, unless otherwise noted)
ROSC LIM LIM
SS
VCC
Characteristic
Test Conditions
Min
Typ
Max
Unit
VID Inputs
Input Threshold
VID Pin Current
SGND Bias Current
V
V
, V , V , V , V , V
400
−
−
−
800
1.0
40
mV
m A
ID5
ID4
ID3
ID2
ID1
ID0
, V , V , V , V , V
= 0 V
ID5
ID4
ID3
ID2
ID1
ID0
SGND < 300 mV, All DAC Codes
−
10
20
−
m
A
SGND Voltage Compliance Range
Power Good
−200
300
mV
Upper Threshold
−
85
100
115
mV
Offset from V
No Load
OUT
Lower Threshold Constant
Output Low Voltage
Delay
PWRLS/V
No Load
0.475
−
0.500
0.15
250
0.525
0.40
600
V/V
V
OUT
I
= 4.0 mA
PWRGD
V
FFB
low to PWRGD low
50
m
s
Overvoltage Protection VID
OVP Threshold above VID
Enable Input
−
190
200
250
mV
Start Threshold
Gates switching, SS high
Gates not switching, SS low
1.0 MW to GND
0.8
−
−
−
−
V
V
Stop Threshold
0.4
3.3
20
Input Pull−Up Voltage
Input Pull−Up Resistance
Voltage Feedback Error Amplifier
2.7
7.0
2.8
10
V
−
kW
V
Bias Current
−
−
40
40
1.1
72
−
0.1
70
70
1.3
80
4.0
60
3
1.0
100
100
1.5
−
m A
m A
FB
COMP Source Current
COMP Sink Current
Transconductance
Open Loop DC Gain
Unity Gain Bandwidth
PSRR @ 1.0 kHz
COMP = 0.5 V to 2.0 V
−
m
A
Note 2
mmho
dB
Note 2
C
= 30 pF
−
MHz
dB
COMP
−
−
−
COMP Max Voltage
COMP Min Voltage
PWM Comparators
Minimum Pulse Width
V
V
= 0 V
2.9
−
−
V
FB
= 1.6 V
50
150
mV
FB
Measured from CSxP to GATEx,
= CSxN = 0.5, COMP = 0.5 V,
60 mV step between CSxP and CSxN;
Measure at GATEx = 1.0 V
−
−
40
40
100
60
ns
ns
V
FB
Transient Response Time
Channel Start−Up Offset
Measured from CSxN to GATEx,
COMP = 2.1 V, CSxP = CSxN = 0.5 V,
CSxN stepped from 1.2 V to 2.0 V
CSxP = CSxN = V
= 0, Measure
0.35
−
0.6
0.75
−
V
FFB
Vcomp when GATEx switch high
Artificial Ramp Amplitude
MOSFET Driver Enable (DRVON)
Output High
50% duty cycle
100
mV
DRVON floating
−
2.3
−
−
−
−
V
V
Output Low
0.2
140
Pull−Down Resistance
DRVON = 1.5 V, ENABLE = 0 V,
R = 1.5 V/I(DRVON)
35
70
kW
Source Current
DRVON = 1.5 V
1
4
6.5
mA
V
V
REF
Output Voltage
GATES
0 mA < I(V ) < 1.0 mA
REF
3.25
2.25
3.3
2.70
3.35
3.00
High Voltage
Measure GATEx, I
= 1.0 mA
V
GATEx
2. Guaranteed by design, not tested in production.
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