NR263S Datasheet, PDF (3/29 Pages) Sanken electric – Light Load High Efficiency Synchronous Buck Regulator IC

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1. Electrical Characteristics
1.1 Absolute Maximum Ratings
● The polarity value for current specifies a sink as “+” and a source as “−”, referencing the IC.
● Ta=25°C,unless otherwise noted.
Parameter
Symbol Ratings Units
Conditions
DC input voltage
BS terminal voltage
BS to SW voltage
SW terminal voltage
VO terminal voltage
EN terminal voltage
SS terminal voltage
SS terminal sink current
Power dissipation
Junction temperature
V_IN 0.3 to 35 V
V_BS
0.3 to
40.5
V
-0.3 to 5.5 V DC
V_BS-SW
8
V * Pulse Width Limitation ≦10[ns]
1 to 35
DC
V_SW
2 to 35
V * Pulse Width Limitation ≦100[ns]
6 to 35
* Pulse Width Limitation ≦10[ns]
V_O
0.3 to 6 V
V_EN 0.3 to 35 V
V_SS 0.3 to 7.0 V
I_ssb
(1)
P_D
5.0
1.56
mA
Glass-epoxy board mounting
W in a 40×40mm. * The implementation in our
Demo- Board, Tj=150°C
(2)
T_J
40 to 150 °C
Storage temperature
T_stg 40 to 150 °C
Thermal resistance (Junction to
PGND Lead)
θ_JP
60
Thermal resistance (Junction
toAmbient air)
θ_JA
80
(1) _{Limited by thermal shutdown}
(2) _{The temperature detection of thermal shutdown is about 165°C}
°C /W
Glass-epoxy board mounting
°C /W in a 40×40mm. * The implementation in our
Demo- Board
1.2 Recommended Operating Conditions
Operating IC in recommended operating conditions is required for normal operating of circuit functions shown in
Table 3 Electrical characteristics of NR263S.
Parameter
Symbol
Ratings
MIN
MAX
DC input voltage range
DCoutput current range
V_IN
8
31
(3)
(4)
I_O
0
1
Operating ambient temperature
(4)
Ta
40
85
Operating junction temperature
(4)
Tj
40
125
(3)_{Refer to “Fig3-1 Typical Application Circuit”}
(4)_{To be used within the allowable package power dissipation characteristics (Fig 4)}
Units
V
A
°C
°C
Conditions
NR263S series-DSE Rev.1.0
SANKEN ELECTRIC CO.,LTD
3
2016.03.09
http://www.sanken-ele.co.jp/en/
© SANKEN ELECTRIC CO.,LTD. 2016