SM8120 Datasheet, PDF (3/14 Pages) Nippon Precision Circuits Inc – White LED Driver IC

SM8120A
SPECIFICATIONS
Absolute Maximum Ratings
Parameter
Supply voltage range
Input voltage range
SW output voltage range
SW input current
Power dissipation
Operating temperature range
Storage temperature range
Symbol
Rating
Unit
V _DD
−0.3 to 6.5
V
V _IN
V_SS – 0.3 to V_DD + 0.3
V
V _SW
–0.3 to 27
V
I _SW
250
mA
P_D
250 (Ta = 25°C)
mW
T_opr
–40 to 85
°C
T _stg
−55 to 125
°C
Electrical Characteristics
V_DD = 3.6V, V_SS = 0V, Ta = 25°C unless otherwise noted
Parameter
Pin
Symbol
Condition
Supply voltage
VDD
Standby current
VDD
Quiescent current
VDD
SW-Tr ON resister
SW
SW-Tr leak current
SW
Maximum switching frequency
SW
Duty
SW
Input voltage
CE
CE
Input current
FB
Soft-start time
SW
FB voltage
FB
V _DD
I _STB
I _DD
R_ON
I _LEAK
f _OSC
Duty
V_IH
V_IL
I_CE
I_FB
T _SS
V _FB
V_CE = 0V
V_FB = 1.0V
I_SW = 100mA, V_DD = 3.6V
V_SW = V_DD
V_FB = 0V
V_FB = 0V
V_CE = 3.6V
V_FB = 0.5V
Rating
Unit
min
typ
max
2.4
3.6
5.5
V
–
–
1.0
µA
–
80
120
µA
–
2.0
3.0
Ω
–
–
1.0
µA
450
500
550
kHz
53
60
67
%
2.0
–
–
V
–
–
0.6
V
–
5.0
10
µA
–1.0
–
1.0
µA
–
500
–
µs
0.49
0.50
0.51
V
NIPPON PRECISION CIRCUITS INC.—3