UC2843BD1G ON Semiconductor, UC2843BD1G Datasheet - Page 2

• Manufacturer Part Number: UC2843BD1G
• Description: IC CTRLR CURRENT MODE HP 8-SOIC
• Manufacturer: ON Semiconductor

Specifications of UC2843BD1G

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 96%
• Voltage - Supply: 11 V ~ 25 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -25°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 275kHz
• Duty Cycle (max): 96 %
• Output Voltage: 4.95 V to 5.05 V
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 85 C
• Fall Time: 50 ns
• Minimum Operating Temperature: - 25 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost, Flyback, Forward
• Input Voltage: 15V
• Frequency: 250kHz
• Power Dissipation Pd: 702mW
• Supply Voltage Range: 8.5V To 30V
• Digital Ic Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -25°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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