NR111E Datasheet, PDF (2/13 Pages) Sanken electric – Light Load High Efficiency

Light Load High Efficiency, 31V, Buck Regulator
NR110E series
Series Lineup
Product No.
f_SW
V_IN
V_O
NR111E
NR119E
350kHz
364kHz
6.5V to 31V
(1) _{0.8V to 24V} (2)
(1) _{The minimum input voltage shall be either of 6.5V or VO+3V, whichever is higher.}
(2) _{The I/O condition limited by the Minimum on-time (TON(MIN)).}
Oct/23/2012
I_O
4A
2A
Absolute Maximum Ratings
Parameter
Symbol
DC input voltage
BS Pin voltage
BS-SW Pin voltage
SW Pin voltage
FB Pin voltage
EN Pin voltage
SS Pin voltage
V_IN
V_BS
V_BS-SW
V_SW
V_FB
V_EN
V_SS
Ratings
35
44
8
35
5.5
35
5.5
Power dissipation
(3)
P_D
1.76
Junction temperature
(4)
T_J
40 to 150
Storage temperature
Thermal resistance
(junction- Pin No. 4)
T_S
40 to 150
θ_JP
26
Thermal resistance
(junction-ambient air)
θ_JA
71
(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
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
DC input voltage
Symbol
(5)
V_IN
Ratings
MIN
MAX
6.5
31
Units
V
NR111E ⁽⁶⁾
0
DC output current
(7)
Io
NR119E
0
4.0
A
2.0
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 6.5V or VO +3V.}
(6) _{Recommended circuit refers to Typical Application Circuit.}
(7) _{To be used within the allowable package power dissipation characteristics.}
Conditions
Rev.1.0
SANKEN ELECTRIC CO., LTD.
2
http://www.sanken-ele.co.jp