UC3845BD1 STMicroelectronics, UC3845BD1 Datasheet - Page 14

• Manufacturer Part Number: UC3845BD1
• Description: IC CTLR PWM HP CURR MODE SO-8
• Manufacturer: STMicroelectronics

Specifications of UC3845BD1

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 50%
• 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: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 500kHz
• Duty Cycle (max): 50 %
• Output Voltage: 4.90 V to 5.10 V
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 150 C
• Fall Time: 50 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost, Flyback
• For Use With: 497-5863 - EVAL BOARD 2W 3PH SMPS BRKR ESBT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STUC3845BD1

UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
14/15
DIM.
a1
b1
e3
e4
A
B
D
E
b
e
F
L
Z
I
0.356
0.204
MIN.
0.51
1.15
7.95
3.18
TYP.
3.32
2.54
7.62
7.62
mm
MAX.
0.304
10.92
1.65
0.55
9.75
5.08
3.81
1.52
6.6
0.020
0.045
0.014
0.008
0.313
0.125
MIN.
0.131
0.100
0.300
0.300
TYP.
inch
MAX.
0.065
0.022
0.012
0.430
0.384
0.260
0.200
0.150
0.060
MECHANICAL DATA
OUTLINE AND
Minidip