NCV3843BV ON Semiconductor, NCV3843BV Datasheet - Page 4

• Manufacturer Part Number: NCV3843BV
• Description: High Performance Current Mode Controllers
• Manufacturer: ON Semiconductor

5. Adjust V
6. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
ELECTRICAL CHARACTERISTICS
T
OUTPUT SECTION
UNDERVOLTAGE LOCKOUT SECTION
PWM SECTION
TOTAL DEVICE
Output Voltage
High State
Output Voltage with UVLO Activated (V
Output Voltage Rise Time (C
Output Voltage Fall Time (C
Startup Threshold (V
Minimum Operating Voltage After Turn−On (V
Duty Cycle
Power Supply Current
Power Supply Zener Voltage (I
A
T
T
NCV3843BV: T
change control.
is the operating ambient temperature range that applies [Note 6], unless otherwise noted.)
Low State (I
low
high
Maximum UC284XB, UC384XB
Maximum
Minimum
Startup (V
Startup
(Note 5)
= 0°C for UC3842B, UC3843B; −25°C for UC2842B, UC2843B; −40°C for UC3842BV, UC3843BV
= +70°C for UC3842B, UC3843B; +85°C for UC2842B, UC2843B; +105°C for UC3842BV, UC3843BV
CC
V
above the Startup threshold before setting to 15 V.
(I
(I
(I
CC
CC
Sink
Sink
Source
Source
UC384XBV
low
14 V for UCX842B, BV)
= 6.5 V for UCX843B,
= 20 mA)
= 200 mA)
= −40°C, T
= 20 mA)
= 200 mA)
CC
Characteristics
)
UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV
L
L
= 1.0 nF, T
= 1.0 nF, T
high
CC
= 25 mA)
= +125°C. Guaranteed by design. NCV prefix is for automotive and other applications requiring site and
CC
UC284XB, UC384XB
UC384XBV
UC284XB, UC384XB
UC384XBV
J
(V
= 6.0 V, I
J
= 25°C)
CC
= 25°C)
CC
= 15 V [Note 5], R
)
UCX842B, BV
UCX843B, BV
UCX842B, BV
UCX843B, BV
Sink
= 1.0 mA)
http://onsemi.com
T
= 10 k, C
V
4
Symbol
V
DC
I
DC
OL(UVLO)
CC
CC(min)
V
V
V
V
(max)
OH
t
t
OL
(min)
+ I
r
f
th
Z
C
T
= 3.3 nF. For typical values T
Min
7.8
9.0
7.0
13
12
15
94
30
−
−
−
−
−
−
−
−
−
−
−
UC284XB
13.5
13.4
Typ
0.1
1.6
0.1
8.4
7.6
0.3
50
50
16
10
96
12
36
−
−
−
−
Max
150
150
0.4
2.2
1.1
9.0
8.2
0.5
17
11
17
−
−
−
−
−
−
0
−
12.9
14.5
Min
7.8
8.5
7.0
A
13
12
94
93
30
−
−
−
−
−
−
−
−
−
= 25°C, for min/max values
UC384XB, XBV
13.5
13.5
13.4
Typ
0.1
1.6
1.6
0.1
8.4
7.6
0.3
50
50
16
10
96
96
12
36
−
Max
17.5
11.5
150
150
0.4
2.2
2.3
1.1
9.0
8.2
0.5
17
−
−
−
−
−
0
−
Unit
mA
ns
ns
%
V
V
V
V
V