ncp3155a ON Semiconductor, ncp3155a Datasheet - Page 3

• Manufacturer Part Number: ncp3155a
• Description: Ncp3155a, Ncp3155b 3 A Synchronous Buck Regulator
• Manufacturer: ON Semiconductor

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. The maximum package power dissipation limit must not be exceeded.
2. The value of q
3. The value of q
ABSOLUTE MAXIMUM RATINGS
P
Main Supply Voltage Input
Boost to V
High Side Drive Boost Pin
Switch Voltage Node
Transconductance Amplifier Output
Feedback
Current Limit Set
Operating Junction Temperature Range (Note 1)
Maximum Junction Temperature
Storage Temperature Range
Thermal Characteristics − SOIC−8 Package
Lead Temperature Soldering (10 sec):
value in any given application depends on the user’s specific board design.
application depends on the user’s specific board design.
D
Thermal Resistance Junction−to−Air
Reflow (SMD styles only) Pb−Free (Note 3)
+
T
J(max)
SW
R
qJA
differential voltage
JA
JA
* T
is measured with the device mounted on minimum footprint, in a still air environment with T
is measured with the device mounted on 1 in
A
Rating
(measured vs. GND pin 8, unless otherwise noted)
http://onsemi.com
2
FR*4 board with 1 oz. copper, in a still air environment with T
(Note 2)
(Note 3)
3
BST−V
Symbol
T
COMP
ISET
R
BST
V
J(MAX)
V
T
FB
R
T
SW
qJA
CC
stg
J
F
SW
V
26.4
13.2
13.2
5.5
6.0
MAX
45
30
A
−40 to +125
−55 to +150
= 25°C. The value in any given
260 Peak
+150
170
110
V
−0.3
−0.3
−0.3
−0.6
−0.3
−0.3
−0.3
MIN
A
= 25°C. The
°C/W
Unit
°C
°C
°C
°C
V
V
V
V
V
V
V