UC2842AD ON Semiconductor, UC2842AD Datasheet - Page 8
![Other Power Management 52kHz 1A Current PWM](/photos/16/10/161082/soic-14_sml.jpg)
UC2842AD
Manufacturer Part Number
UC2842AD
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 UC2842AD
Output Voltage Range
4.95 V to 5.05 V
Input Voltage Range
30 V
Operating Temperature Range
- 25 C to + 85 C
Mounting Style
SMD/SMT
Package / Case
SOIC-14
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UC2842AD
Manufacturer:
TI
Quantity:
20 000
Company:
Part Number:
UC2842AD8
Manufacturer:
TI
Quantity:
13 178
Part Number:
UC2842AD8
Manufacturer:
TI/德州仪器
Quantity:
20 000
Company:
Part Number:
UC2842AD8TR
Manufacturer:
VISHAY
Quantity:
30 000
Part Number:
UC2842AD8TR
Manufacturer:
TI/德州仪器
Quantity:
20 000
Company:
Part Number:
UC2842AD8TRG4
Manufacturer:
TI
Quantity:
14 033
Part Number:
UC2842ADR
Manufacturer:
UC/TI
Quantity:
20 000
Part Number:
UC2842ADTR
Manufacturer:
TI/德州仪器
Quantity:
20 000
Current Sense
Compensation
‘‘Reset’’ Input
Voltage Feedback
Input
Capacitor C
Output/
Input
‘‘Set’’ Input
Latch
Output
Compensation
Latch
Output
C
R
T
T
T
V
ref
8(14)
4(7)
2(3)
1(1)
Pin numbers in parenthesis are for the D suffix SOIC−14 package.
2.5V
Amplifier
+
−
Error
Large R
R
R
UC3842A, UC3843A, UC2842A, UC2843A
+
Oscillator
T
1.0mA
/Small C
Internal
Figure 18. Representative Block Diagram
Bias
T
2R
GND
Figure 19. Timing Diagram
R
5(9)
http://onsemi.com
3.6V
1.0V
Current Sense
Comparator
Reference
Regulator
+
−
8
−
+
+
−
UVLO
V
ref
S
R
T
UVLO
V
Q
Q
CC
PWM
Latch
+
−
V
CC
−
+
−
+
=
7(12)
Sink Only
Positive True Logic
36V
Small R
Output
Current Sense Input
V
Power Ground
3(5)
7(11)
6(10)
5(8)
C
T
/Large C
V
CC
T
V
in
Q1
R
S