E-UC3843BN STMicroelectronics, E-UC3843BN Datasheet - Page 13
![IC CTRLR PWM CURR MODE 8-MINIDIP](/photos/1/39/13944/497-8-dip_sml.jpg)
E-UC3843BN
Manufacturer Part Number
E-UC3843BN
Description
IC CTRLR PWM CURR MODE 8-MINIDIP
Manufacturer
STMicroelectronics
Datasheet
1.UC3845BD1013TR.pdf
(15 pages)
Specifications of E-UC3843BN
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
500kHz
Duty Cycle
100%
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-DIP (0.300", 7.62mm)
Frequency-max
500kHz
Duty Cycle (max)
100 %
Output Voltage
4.90 V to 5.10 V
Output Current
1000 mA
Mounting Style
Through Hole
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, Forward
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(1) D and F do not include mold flash or protrusions. Mold flash or
DIM.
D (1)
F (1)
potrusions shall not exceed 0.15mm (.006inch).
a1
a2
a3
b1
c1
e3
M
A
C
E
S
b
e
L
MIN.
0.65
0.35
0.19
0.25
0.1
4.8
5.8
3.8
0.4
TYP.
1.27
3.81
mm
MAX.
1.75
0.25
1.65
0.85
0.48
0.25
1.27
0.5
5.0
6.2
4.0
0.6
8 (max.)
45 (typ.)
0.004
0.026
0.014
0.007
0.010
0.189
0.228
0.016
MIN.
0.15
0.050
0.150
TYP.
inch
MAX.
0.069
0.010
0.065
0.033
0.019
0.010
0.020
0.197
0.244
0.050
0.024
0.157
UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
MECHANICAL DATA
OUTLINE AND
SO8
13/15