UC3845BVN ON Semiconductor, UC3845BVN Datasheet - Page 18
UC3845BVN
Manufacturer Part Number
UC3845BVN
Description
IC CTRLR CURRENT MODE HP 8DIP
Manufacturer
ON Semiconductor
Datasheet
1.UC3844BDR2G.pdf
(19 pages)
Specifications of UC3845BVN
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
275kHz
Duty Cycle
50%
Voltage - Supply
8.2 V ~ 25 V
Buck
No
Boost
Yes
Flyback
Yes
Inverting
Yes
Doubler
No
Divider
No
Cuk
No
Isolated
Yes
Operating Temperature
-40°C ~ 105°C
Package / Case
8-DIP (0.300", 7.62mm)
Frequency-max
275kHz
Duty Cycle (max)
48 %
Output Voltage
4.9 V to 5.1 V
Output Current
1000 mA
Mounting Style
Through Hole
Switching Frequency
500 KHz
Operating Supply Voltage
30 V
Maximum Operating Temperature
+ 70 C
Fall Time
50 ns
Minimum Operating Temperature
0 C
Rise Time
50 ns
Synchronous Pin
No
Topology
Boost, Flyback
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
UC3845BVNOS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UC3845BVN
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
SEATING
PLANE
−T−
14
1
G
−A−
D
14 PL
0.25 (0.010)
M
8
7
−B−
0.58
T
14X
K
B
S
C
P
7 PL
A
S
SOLDERING FOOTPRINT
0.25 (0.010)
R
http://onsemi.com
1
X 45
CASE 751A−03
_
M
SOIC−14
ISSUE H
M
7.04
7X
B
18
M
DIMENSIONS: MILLIMETERS
J
1.52
14X
F
1.27
PITCH
NOTES:
1. DIMENSIONING AND TOLERANCING PER
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
5. DIMENSION D DOES NOT INCLUDE
ANSI Y14.5M, 1982.
MOLD PROTRUSION.
PER SIDE.
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.127
(0.005) TOTAL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
DIM
G
M
A
B
C
D
F
J
K
P
R
MILLIMETERS
MIN
8.55
3.80
1.35
0.35
0.40
0.19
0.10
5.80
0.25
1.27 BSC
0
_
MAX
8.75
4.00
1.75
0.49
1.25
0.25
0.25
6.20
0.50
7
_
0.337
0.150
0.054
0.014
0.016
0.008
0.004
0.228
0.010
MIN
0.050 BSC
0
INCHES
_
0.344
0.157
0.068
0.019
0.049
0.009
0.009
0.244
0.019
MAX
7
_