ncp5381 ON Semiconductor, ncp5381 Datasheet - Page 13

• Manufacturer Part Number: ncp5381
• Description: Ac-dc Offline Switching Controllers/regulators
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
Soft−Start
Enable Input
Current Limit
Overvoltage Protection
Undervoltage Protection
VID Inputs
1. Guaranteed by design. Not tested in production.
SS Pin Source Current
SS Pin Source Current
Soft−Start Ramp Time
SS Pin Discharge Voltage
Soft−Start Discharge Time
VR11 V
VR11 Dwell Time at V
Enable High Input Leakage Current
Upper Threshold
Lower Threshold
Total Hysteresis
Enable Delay Time
Disable Delay Time
Current Sense Inputs to I
(Note 1)
ILIM Pin Input Bias Current
ILIM Pin Working Voltage Range
(Note 1)
ILIM Input Offset Voltage (Note 1)
Overvoltage Threshold (Note 1)
UVLO Start Threshold
UVLO Stop Threshold
UVLO Hysteresis
Upper Threshold
Lower Threshold
Input Bias Current
Delay before Latching VID Change
(VID De−Skewing)
(0°C < T
BOOT
A
< 70°C; 0°C < T
Parameter
Threshold Voltage
BOOT
LIM
J
< 125°C; 10.8 V < V
Gain
ENABLE = HI, V
ENABLE = HI, V
1.15 V, VR11 SS mode only
C
V
ENABLE = LO
From ENABLE = LO to V
< max Discharge Voltage,
C
EN = 3.0 V
V
V
V
Enable transitioning HI to start
of SS voltage rise
Enable transitioning Low to
DRVON = Low
20 mV < (CSx−CSxN) < 60 mV
T
(all CS channels together)
V
V
V
V
Measured from the 1 st edge of
a VID change
A
SS PIN
UPPER
LOWER
UPPER
ILIM
UPPER
LOWER
VIDX
SS
SS
= 25°C
= 0.01 mF, DRVON = HI to
= 0.01 mF
CC
= 2.0 V
= 1.25 V
Test Conditions
= 1.1 V
– V
< 13.2 V; All DAC Codes; C
LOWER
http://onsemi.com
SS PIN
SS PIN
NCP5381
< 1.1 V
>
SS PIN
13
DAC+160
VCC
0.80
0.67
Min
225
−50
400
400
1.5
0.5
5.7
0.3
8.5
7.5
50
70
−
−
−
−
−
−
−
−
−
−
= 0.1 mF, F
SW
DAC+180
= 400 kHz, unless otherwise stated)
1.081
0.85
0.75
225
100
100
Typ
5.0
2.2
5.0
1.5
6.0
0.1
9.0
8.0
1.0
−
−
−
−
−
−
−
−
−
DAC+200
1000
Max
0.90
0.83
900
130
225
800
500
3.0
3.0
6.3
1.0
2.0
9.5
8.5
50
10
50
−
−
−
−
−
−
Units
V/V
mV
mV
mV
mV
mV
mV
ms
ms
mA
mA
mA
mA
nA
ms
ms
ns
ns
V
V
V
V
V
V
V