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NR110E Datasheet, PDF (3/14 Pages) Sanken electric – Light Load High Efficiency, 31V, Buck Regulator | |||
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Light Load High Efficiency, 31V, Buck Regulator
NR110E series
Dec./04/2014
Electrical Characteristics
Parameter
Reference voltage
Output voltage temperature
coefficient
NR111E
Switching frequency
NR119E
Line regulation
Symbol
MIN
VREF
0.784
â¿VREF/â¿T â
280
fSW
291
(8)
VLine
â
Load regulation
(8)
VLoad
â
NR111E
Over current protection
starting current
NR119E
IS1
â
IS2
â
IS1
â
IS2
â
Supply Current
IIN
â
Shutdown Supply Current
IIN(off)
0
SS Pin
Source current
at low level
voltage
IEN/SS
6
EN Pin
Sink current
Threshold voltage
IEN
VC/EH
0.7
ISET Pin
Open voltage
VISET
Max on-duty
(8)
DMAX
â
NR111E
â
Minimum on-time
(8)
NR119E
TON(MIN)
â
Thermal shutdown threshold
temperature
(8)
TSD
151
Thermal shutdown
restart hysteresis
(8) TSD_hys
â
of temperature
(8) Guaranteed by design, not tested.
Ratings
TYP
0.800
±0.05
350
364
50
50
1.5
5.5
0.9
2.8
1
1
MAX
0.816
â
420
437
â
â
â
â
â
â
â
â
Ta = 25°C
Units
Test conditions
V VIN = 12Vï¼IO = 1.0A
mV/°C
VIN = 12V, IO = 1.0A
ï40°C to +85°C
kHz
VIN=12V, VO=5.0V,
IO=1A
mV VIN=8Vï½31V, VO =5.0V,
IO=1A
mV
VIN=12V, VO=5.0V,
IO=0.1Aï½2.0A
VIN =12V, VO =5.0V
ISET=OPEN
VIN =12V, VO =5.0V
A
ISET=SHORT
VIN=12V, VO =5.0V
ISET=OPEN
VIN =12V, VO =5.0V
ISET=SHORT
mA
VIN = 12V
VEN=10kΩ pull up to VIN
μA
VIN =12V, IO =0A,
VEN=0V
10
14
μA VSS=0V, VIN =12V
20
50
μA VEN= 10V
1.4
2.1
V VIN =12V
1.5
V VIN =12V
90
â
%
150
â
nsec
150
â
165
â
°C
20
â
°C
Rev.1.2
SANKEN ELECTRIC CO., LTD.
3
http://www.sanken-ele.co.jp
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