BD9C301FJ-LB Datasheet, PDF (3/22 Pages) Rohm – 4.5V to 18V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9C301FJ-LB
Block Diagram
EN
6
VREF
OSC
IBIAS
UVLO
TSD
FB
ERR
4
COMP
5
SoftStart
SLOPE
SCP
OCP
S
LOGIC
PWM
R
3
AGND
VIN
2
7 ^SW
8
OUTPUT
PGND
1
Absolute Maximum Ratings (Ta = 25C)
Parameter
Symbol
Figure 3. Block Diagram
Rating
Unit
Conditions
Supply Voltage
VIN
20
V
SW Pin Voltage
VSW
20
V
EN Pin Voltage
VEN
Power Dissipation ^{(Note 1)}
Pd
Storage Temperature Range
Tstg
20
0.68
-55 to +150
V
When mounted on a 70 mm x 70
W
mm x 1.6 mm 1-layer glass epoxy
board
°C
Maximum Junction Temperature Tjmax
150
°C
FB, COMP Pin Voltage
VLVPINS
7
V
(Note1) Derate by 5.45 mW when operating above 25C.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over
the absolute maximum ratings.
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TSZ22111・15・001
3/19
TSZ02201-0J3J0AJ00540-1-2
21.Feb.2014 Rev.002