NR110K Datasheet, PDF (2/13 Pages) Sanken electric – Light Load High Efficiency, 31V, Buck Regulator

Light Load High Efficiency, 31V, Buck Regulator
NR110K series
Series Lineup
Product No.
f_SW
V_IN
V_O
NR110K
350kHz
8V to 31V
(1) _{0.8V to 24V} (2)
(1) _{The minimum input voltage shall be either of 8V or VO+3V, whichever is higher.}
(2) _{The I/O condition limited by the Minimum on-time (TON(MIN)).}
Dec./24/2015
I_O
4A
Absolute Maximum Ratings
Parameter
Symbol
DC input voltage
V_IN
BS Pin voltage
V_BS
BS-SW voltage
VBS-SW
SW Pin voltage
V_SW
FB Pin voltage
V_FB
EN Pin voltage
V_EN
SS Pin voltage
V_SS
Ratings
35
44
8
12
35
5.5
35
5.5
Power dissipation
(3)
P_D
(1.69)
Junction temperature
(4)
T_J
40 to 150
Storage temperature
Thermal resistance
(junction- Pin No. 4)
T_S
40 to 150
θ_JP
(40)
Thermal resistance
(junction-ambient air)
θ_JA
(74)
(3) _{Limited by thermal shutdown.}
(4) _{The temperature detection of thermal shutdown is about 160°C}
Units
V
V
V
V
V
V
V
W
°C
°C
Conditions
DC
Pulse width ≦30ns
Glass-epoxy board mounting
in a 30×30mm.
(copper area in a 25×25mm)
Max T_J =150°C
°C /W
°C /W
Glass-epoxy board mounting
in a 30×30mm.
(copper area in a 25×25mm)
Recommended Operating Conditions
Parameter
Symbol
DC input voltage
DC output current
(5)
V_IN
(6)
(7)
Io
Ratings
MIN
MAX
Vo+3
31
0
4.0
Units
V
A
Output voltage
Vo
0.8
24
V
Ambient operating temperature
(7)
Top
40
85
°C
(5) _{The minimum value of input voltage is taken as the larger one of either 8V or VO +3V.}
(6) _{Recommended circuit refers to Typical Application Circuit.}
(7) _{To be used within the allowable package power dissipation characteristics.}
Conditions
Electrical Characteristics
Parameter
Symbol
Ratings
Units
Ta = 25°C
Test conditions
Rev.1.5
SANKEN ELECTRIC CO., LTD.
2
http://www.sanken-ele.co.jp