UC3843BVDG ON Semiconductor, UC3843BVDG Datasheet - Page 2
![IC CTRLR CURRENT MODE HP 14SOIC](/photos/6/57/65767/14-soic_751a_sml.jpg)
UC3843BVDG
Manufacturer Part Number
UC3843BVDG
Description
IC CTRLR CURRENT MODE HP 14SOIC
Manufacturer
ON Semiconductor
Datasheet
1.UC3842BDR2G.pdf
(21 pages)
Specifications of UC3843BVDG
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
275kHz
Duty Cycle
96%
Voltage - Supply
8.2 V ~ 25 V
Buck
No
Boost
Yes
Flyback
Yes
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
Yes
Operating Temperature
-40°C ~ 105°C
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Frequency-max
275kHz
Duty Cycle (max)
96 %
Output Current
1000 mA
Mounting Style
SMD/SMT
Switching Frequency
500 KHz
Maximum Operating Temperature
+ 105 C
Fall Time
50 ns
Minimum Operating Temperature
- 40 C
Rise Time
50 ns
Synchronous Pin
No
Topology
Boost, Flyback, Forward
Number Of Pwm Outputs
1
On/off Pin
No
Adjustable Output
No
Switching Freq
500KHz
Operating Supply Voltage (max)
30V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
14
Package Type
SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
UC3843BVDGOS
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. This device series contains ESD protection and exceeds the following tests:
2. This device contains latch-up protection and exceeds 100 mA per JEDEC Standard JESD78
MAXIMUM RATINGS
Bias and Driver Voltages (Zero Series Impedance, see also Total Device spec)
Total Power Supply and Zener Current
Output Current, Source or Sink
Output Energy (Capacitive Load per Cycle)
Current Sense and Voltage Feedback Inputs
Error Amp Output Sink Current
Power Dissipation and Thermal Characteristics
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
D Suffix, Plastic Package, SOIC−14 Case 751A
D1 Suffix, Plastic Package, SOIC−8 Case 751
N Suffix, Plastic Package, Case 626
Human Body Model 4000 V per JEDEC Standard JESD22-A114B
Machine Model Method 200 V per JEDEC Standard JESD22-A115-A
Maximum Power Dissipation @ T
Thermal Resistance, Junction−to−Air
Maximum Power Dissipation @ T
Thermal Resistance, Junction−to−Air
Maximum Power Dissipation @ T
Thermal Resistance, Junction−to−Air
Rating
A
A
A
= 25°C
= 25°C
= 25°C
http://onsemi.com
UC3842BV, UC3843BV
UC3842B, UC3843B
UC2842B, UC2843B
2
(I
Symbol
V
CC
CC
R
R
R
T
V
P
P
P
T
I
W
I
T
qJA
qJA
qJA
stg
O
O
, V
+ I
in
D
D
D
A
J
C
Z
)
− 0.3 to + 5.5
− 65 to +150
− 25 to + 85
−40 to +105
0 to 70
Value
+150
1.25
862
145
702
178
100
1.0
5.0
30
30
10
°C/W
°C/W
°C/W
Unit
mW
mW
mA
mA
mJ
°C
°C
°C
W
V
A
V