UC3845BDG ON Semiconductor, UC3845BDG Datasheet - Page 18

• Manufacturer Part Number: UC3845BDG
• Description: IC CTRLR CURRENT MODE HP 14SOIC
• Manufacturer: ON Semiconductor

Specifications of UC3845BDG

• 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: 0°C ~ 70°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Frequency-max: 275kHz
• Duty Cycle (max): 48 %
• Output Voltage: 4.9 V to 5.1 V
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• 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
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 500KHz
• Operating Supply Voltage (max): 30V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 14
• Package Type: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: UC3845BDGOS

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
_