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SM8136AB Datasheet(PDF) 4 Page - Nippon Precision Circuits Inc

Part # SM8136AB
Description  White LED Driver IC
PDF  15 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM8136AB Datasheet(HTML) 4 Page - Nippon Precision Circuits Inc

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SM8136A
SEIKO NPC CORPORATION —4
Electrical Characteristics
VIN = 3.6V, GND = 0V, Ta = 25°C unless otherwise noted.
Parameter
Pin
Symbol
Condition
Rating
Unit
min
typ
max
Standby current
VIN
ISTB
Standby mode
–
0.01
1.00
µA
Quiescent current 1
VIN
IDD1
×1.0 mode, IOUT = 0mA
–
0.3
1.0
mA
Quiescent current 2
IDD2
×1.5 mode, IOUT = 0mA
–
1.0
2.0
mA
Output voltage
VOUT
VOUT
×1.5 mode, VIN = 3.6V, IOUT = 0mA
4.5
5.0
5.5
V
×1.5 mode, VIN = 3.0V, IOUT = 60mA
–
3.5
–
V
Maximum output current
VOUT
IOUT
×1.5 mode
60
–
–
mA
Operating frequency
C1M
fOSC
×1.5 mode switching frequency
800
1000
1200
kHz
Internal power-ON reset time*1
*1. Design guaranteed value
EN
TPOR
Rest time from when power is applied
–
0.05
1.00
ms
Power-ON rise time
EN, VIN
TPR
EN = VIN, time from 0.3V to 2.7V
–
–
50
µs
Soft start time
DIN1 to 3
TSS
EN startup
→ ILED rising edge
–
2.00
3.00
ms
LED drive pin leakage current
DIN1 to 3
ILeak1 to 3
Standby mode, DIN pin = 5.0V
–
0.01
1.00
µA
LED drive current
DIN1 to 3
ILED1 to 3
×1.0 mode (3-channel average value)
18.0
20.0
22.0
mA
LED drive current accuracy
DIN1 to 3
∆ILED
×1.0 mode, relative accuracy between
channels at ILED maximum settings
–5.0
–
+5.0
%
LED drive pin voltage
DIN1 to 3
VDIN1 to 3
×1.0 mode, ILED = 20mA
–
120
–
mV
×1.0 ↔ ×1.5 mode switching
threshold voltage
VIN
VTH1.0 to 1.5 VF (LED) = 3.3V, ILED = 20mA
–
3.46
–
V
EN hold time*1*2
*2.
EN
TCEH
Time from when EN = LOW until
shutdown
0.50
1.00
1.50
ms
EN HIGH-level input time*1
EN
TENH
EN input pulse HIGH-level minimum
pulsewidth
4.0
–
–
µs
EN LOW-level input time*1*2
EN
TENL
EN input pulse LOW-level pulsewidth
range
4.0
–
500
µs
Logic input voltage
EN
VIH
HIGH-level input voltage range
1.4
–
–
V
VIL
LOW-level input voltage range
–
–
0.3
V
Logic input current
EN
IIH
Pull-down pin, EN pin = 3.6V
–
5.0
10.0
µA
IIL
EN pin = 0V
–1.0
–
–
µA
EN
When shutdown
> 1.5msec
EN
When dimming
4
µsec to 500µsec



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