ACT365
ELECTRICAL CHARACTERISTICS CONT’D
(V
DD
= 14V, V
OUT
= 5V, L
P
= 1.5mH, N
P
= 140, N
S
= 7, N
A
= 19, T
A
= 25°C, unless otherwise specified.)
Rev 1, 14-Nov-12
PARAMETER
Current Limit
SW Current Limit Range
CS Current Limit Threshold
Leading Edge Blanking Time
Driver Outputs
Switch ON-Resistance
SW Off Leakage Current
Protection
VDD Latch-Off Voltage
Thermal Shutdown Temperature
Thermal Hysteresis
Line UVLO
SYMBOL
I
LIM
V
CSLIM
TEST CONDITIONS
MIN
100
TYP
MAX
800
UNIT
mA
mV
ns
t
OFF_DELAY
= 0
380
200
396
300
1.6
412
R
ON
I
SW
= 50mA
V
SW
= V
DD
= 22V
V
DDON
+2
3
5
Ω
µA
V
DDOVP
V
DDON
+3
135
20
V
DDON
+4
V
˚C
˚C
µA
I
FBUVLO
116
FUNCTIONAL BLOCK DIAGRAM
VDD
REGULATOR ON
&
UVLO
OTP
REFERENCE
SIGNAL
FILTER
CABLE
COMPENSATION
CURRENT
SHAPING
+
+
-
FB
2.20V
+
OVP
-
BD
SW
BASE
DRIVER
G
Innovative Power
TM
-4-
+
-
0.4V
+
-
LOGIC
OSCILLATOR
CS
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