NR110K Datasheet, PDF (3/13 Pages) Sanken electric – Light Load High Efficiency, 31V, Buck Regulator

Light Load High Efficiency, 31V, Buck Regulator
NR110K series
Dec./24/2015
Reference voltage
Output voltage temperature
coefficient
Switching frequency
V_REF
⊿V_REF/⊿T
MIN
0.784
―
f_SW
(245)
Line regulation
(8)
V_Line
―
Load regulation
(8)
V_Load
―
Over current protection
threshold
Supply Current
I_S1
―
I_S2
―
I_IN
―
Shutdown Supply Current
I_IN(off)
0
SS Pin
EN Pin
Source current
at low level
voltage
Sink current
Threshold voltage
I_EN/SS
6
I_EN
V_C/EH
0.7
ISET Pin
Open voltage
V_ISET
Max on-duty
(8)
D_MAX
―
Minimum on-time
(8)
T_ON(MIN)
―
Thermal shutdown threshold
temperature
(8)
TSD
151
Thermal shutdown
restart hysteresis
(8) _{TSD_hys}
―
of temperature
(8) _{Guaranteed by design, not tested.}
TYP
0.800
±0.05
350
50
50
(1.5)
(5.5)
1
1
10
20
1.4
1.5
90
150
165
20
MAX
0.816
―
(455)
―
―
―
―
―
―
V V_IN = 12V，I_O = 1.0A
mV/°C
V_IN = 12V, I_O = 1.0A
40°C to +85°C
kHz
V_IN=12V, V_O=5.0V,
I_O=1A
mV ^{VIN=8V～31V, VO =5.0V,}
I_O=1A
mV
V_IN=12V, V_O=5.0V,
IO=0.1A～2.0A
V_IN =12V, V_O =5.0V
A
ISET=OPEN
V_IN =12V, V_O =5.0V
ISET=SHORT
mA
V_IN = 12V
V_EN=10kΩ pull up to V_IN
μA
V_IN =12V, I_O =0A,
V_EN=0V
14
μA V_SS=0V, V_IN =12V
50
μA V_EN= 10V
2.1
V V_IN =12V
V V_IN =12V
―
%
―
nsec
―
°C
―
°C
Rev.1.5
SANKEN ELECTRIC CO., LTD.
3
http://www.sanken-ele.co.jp