NCP1225
ELECTRICAL CHARACTERISTICS
(For typical values VCC = 13 V, TA = 25°C, and for min/max values TA = −25°C to +105°C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max Unit
CURRENT SENSE COMPARATOR (PIN 4)
Current Sense Reset Threshold
Current Sense Set Threshold
Input Bias Current
Propagation Delay (Current Sense Input to Output)
VDRIVE (PIN 3)
Vdrive Sense Pin Threshold
Input Bias Current
GATE (PIN 5)
Output Voltage Rise Time (CL = 1.0 nF, TA = 25°C)
Output Voltage Fall Time (CL = 1.0 nF, TA = 25°C)
Output Voltage
Low State (Isink = 20 mA)
(Isink = 100 mA)
VCS_RESET
0.95
1.0
1.05
V
VCS_SET
0.475 0.5 0.525
V
IIB
−
TBD
−
mA
tPLH
−
200
−
ns
VDRIVE_SET_TH 0.118 0.125 0.131
V
IVDRIVE_IB
−
50
−
nA
tR
−
55
−
ns
tF
−
40
−
ns
VOL
V
−
0.27
−
−
1.5
−
High State (Isource = 20 mA)
(Isource = 100 mA)
VOH
−
11.7
−
V
−
10
−
Gate Signal Maximum ON Time
UNDERVOLTAGE LOCKOUT (PIN 1)
Start−Up Threshold (VCC Rising)
Minimum Operation Voltage After Turn−On
OVERVOLTAGE PROTECTION (PIN 1)
Overvoltage Protect (OVP) Threshold
TOTAL DEVICE
Power Supply Current Startup (VCC = 10 V)
Operating Current (No Switch, TA = 25°C)
TON(MAX)
VTH(ON)
VCC(MIN)
VTH(OVP)
ISTART
ICC
8.0
10
12
ms
11
12
13
V
6.5
7.5
8.5
V
13.5 14.5 15.5
V
−
−
60
mA
−
0.5
−
mA
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