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AS1170 Datasheet(PDF) 8 Page - ams-OSRAM AG

Part # AS1170
Description  AS1170 High current LED/VCSEL driver
PDF  53 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS1170 Datasheet(HTML) 8 Page - ams-OSRAM AG

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AS1170
Electrical characteristics
Datasheet
• PUBLIC • Document Feedback
DS001083
• v2-00 • 2024-Feb-05
8 / 53
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Parameter
Min
Max
Unit
Comments
Moisture sensitivity level (MSL)
MSL1
Represents a max. floor life time of
unlimited
(1) Depending on actual PCB layout and PCB used measured on demoboard; for peak power dissipation during flashing see
document AS1170 thermal measurements.
(2) PDERATE de-rating factor changes the total continuous power dissipation (PT) if the ambient temperature is not 70 °C.
Therefore for e.g. TAMB = 85 °C, calculate PT at 85 °C = PT - PDERATE * (85 °C to 70 °C).
(3) Pins LED_OUT1 connected to LED_OUT2 and capacitor CVOUT connected to VOUT1/2 and GND; both GND pins connected
together.
(4) Measured on AS1170 demoboard.
5
Electrical characteristics
Table 4: Electrical characteristics of AS1170
Symbol
Parameter
Condition
Min
Typ.
Max
Unit
General operating conditions
VVIN
Supply voltage
Pin VIN
2.7
3.7
4.4
V
VVINREDUCED_F
UNC
Supply voltage
AS1170 functionally working, but
not all parameters fulfilled
2.5
2.7
V
4.4
5.5
ISHUTDOWN
Shutdown current
SCL=SDA=0 V, VVIN<3.7 V
0.6
2.0
µA
ISTANBY
Standby current
Interface active, VVIN<3.7 V
1.0
10
µA
TAMB
Operating
temperature
-30
25
85
°C
Eta
Application
efficiency (DCDC
and current sink)
LCOIL = 0.6 µH @ 3 A, LESR=
60 m
Ω, LED_OUT1,2=1300 mA,
tFLASH<300 ms
84
%
DCDC step up converter
VVOUT
DCDC boost
output voltage (pin
VOUT1/2)
2.8
5.5
V
VVOUT5V
DCDC boost
output voltage (pin
VOUT1/2)
Constant voltage mode operation
const_v_mode=1 (see Page 49)
5.0
V
RPMOS
On-resistance
DCDC internal PMOS switch
70
m
Ω
RNMOS
On-resistance
DCDC internal NMOS switch
70
m
Ω
fCLK
Operating
frequency
All internal timings are derived
from this oscillator
-7.5%
4.0
+7.5%
MHz



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