UC3843AD ON Semiconductor, UC3843AD Datasheet - Page 7
UC3843AD
Manufacturer Part Number
UC3843AD
Description
Other Power Management 52kHz 1A Current PWM
Manufacturer
ON Semiconductor
Type
High Performance Current Mode Controllersr
Datasheet
1.UC3843AN2.pdf
(18 pages)
Specifications of UC3843AD
Output Voltage Range
4.9 V to 5.1 V
Input Voltage Range
30 V
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Package / Case
SOIC-14
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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−1.0
−2.0
3.0
2.0
1.0
0
0
0
Figure 16. Output Cross Conduction
Figure 14. Output Saturation Voltage
V
CC
T
T
A
A
200
= −55°C
I
= 25°C
O
, OUTPUT LOAD CURRENT (mA)
versus Load Current
Sink Saturation
(Load to V
100 ns/DIV
Source Saturation
(Load to Ground)
T
A
400
= −55°C
CC
UC3842A, UC3843A, UC2842A, UC2843A
)
80 ms Pulsed Load
600
V
C
T
120 Hz Rate
V
GND
A
CC
L
CC
= 25°C
= 15 pF
= 30 V
T
= 15 V
A
= 25°C
http://onsemi.com
800
7
90%
10%
25
20
15
10
5
0
0
Figure 17. Supply Current versus
Figure 15. Output Waveform
10
V
CC
Supply Voltage
, SUPPLY VOLTAGE
50 ns/DIV
20
R
C
V
T
I
Sense
A
FB
T
T
30
V
C
T
= 25°C
A
= 10 k
CC
= 3.3 nF
L
= 0 V
= 25°C
= 1.0 nF
= 15 V
= 0 V
40