NCP5314
ELECTRICAL CHARACTERISTICS
(0°C < T
A
< 70°C; V
CC
= 12 V; C
GATEx
= 100 pF, C
COMP
= 0.01
µF,
C
SS
= 0.1
µF,
C
VCC
= 0.1
µF,
R
ROSC
= 32.4 kΩ, V(I
LIM
) = 1.0 V, DAC Code 010100; unless otherwise noted)
Characteristic
VID Inputs
Input Threshold
VID Pin Current
SGND Bias Current
SGND Voltage Compliance Range
Power Good
Upper Threshold, Offset from No Load Set Point
Lower Threshold Constant
Output Low Voltage
Delay
Overvoltage Protection
OVP Threshold above VID
Enable Input
Start Threshold
Stop Threshold
Hysteresis
Input Pull−Up Voltage
Input Pull−Up Resistance
Voltage Feedback Error Amplifier
V
FB
Bias Current
COMP Source Current
COMP Sink Current
Transconductance
Open Loop DC Gain
Unity Gain Bandwidth
PSRR @ 1.0 kHz
COMP Max Voltage
COMP Min Voltage
PWM Comparators
Minimum Pulse Width
Measured from CSxP to GATEx,
V
FB
= CSxN = 0.5, COMP = 0.5 V,
60 mV step between CSxP and CSxN;
Measure at GATEx = 1.0 V
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
FB
= 0, Measure
Vcomp when GATEx switch high
50% duty cycle
−
40
100
ns
V
FB
= 0 V
V
FB
= 1.6 V
−
COMP = 0.5 V to 2.0 V
−
(Note 2)
(Note 2)
C
COMP
= 30 pF (Note 2)
(Note 2)
−
40
40
1.1
72
−
−
2.4
−
0.1
70
70
1.3
80
4.0
60
2.7
50
1.0
100
100
1.5
−
−
−
−
150
µA
µA
µA
mmho
dB
MHz
dB
V
mV
1.0 MΩ to GND
−
Gates switching, SS high
Gates not switching, SS low
−
0.6
0.4
−
2.7
7.0
0.7
0.5
200
2.9
10
0.8
0.6
−
3.3
20
V
V
mV
V
kΩ
−
170
200
250
mV
PWRGDS/No Load Set Point
V
FFB
= 1.0 V, I
PWRGD
= 4.0 mA
V
FFB
low to PWRGD low
85
0.475
−
50
100
0.500
0.15
232
115
0.525
0.40
600
mV
V/V
V
µs
V
ID5
, V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
V
ID5
, V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
= 0 V
SGND < 300 mV, All DAC Codes
−
400
−
10
−200
600
0.1
20
−
800
1.0
40
300
mV
µA
µA
mV
Test Conditions
Min
Typ
Max
Unit
Transient Response Time
−
40
60
ns
Channel Startup Offset
Artificial Ramp Amplitude
MOSFET Driver Enable (DRVON)
Output High
Output Low
Pull−Down Resistance
Source Current
0.35
−
0.62
100
0.75
−
V
mV
DRVON floating
−
DRVON = 1.5 V, ENABLE = 0 V,
R = 1.5 V/I(DRVON)
DRVON = 1.5 V
2.3
−
35
0.5
−
−
70
3.0
−
0.2
140
6.5
V
V
kΩ
mA
2. Guaranteed by design, not tested in production.
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