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LM36011 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. LM36011
Description  Inductorless, Single-LED Flash Driver With 1.5-A High-Side Current Source
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM36011 Datasheet(HTML) 5 Page - Texas Instruments

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SCL
SDA_IN
SDA_OUT
t 5
t 1
t 4
t 3
t
2
5
LM36011
www.ti.com
SNVSAN5 – JULY 2017
Product Folder Links: LM36011
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
(1)
Minimum (MIN) and Maximum (MAX) limits are specified by design, test, or statistical analysis. Typical (TYP) numbers are not verified,
but do represent the most likely norm. Unless otherwise specified, conditions for typical specifications are: VIN = 3.6 V and TA = 25°C.
(2)
All voltages are with respect to the potential at the GND pin.
(3)
The ability to deliver 1.5 A of LED current is highly dependent upon the input voltage, LED voltage, ambient temperature and PCB
layout. Depending upon the system conditions, it is possible that the device could hit the internal thermal shutdown or thermal scale-
back value before the desired flash duration is reached. See Thermal Performance for more details.
6.5 Electrical Characteristics
TA = 25°C and VIN = 3.6 V, unless otherwise specified. Minimum and maximum limits apply over the full operating ambient
temperature range (–40°C
≤ TA ≤ 85°C).
(1) (2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CURRENT SOURCE SPECIFICATIONS
ILED
Current source accuracy
VIN = 4 V, flash code = 0x7F = 1.5 A
(3)
–10%
1.5
10%
A
VIN = 4 V, torch code = 0x7F = 376 mA
–10%
376
10%
mA
VHR
LED current source regulation
voltage
ILED = 1.5 A
Flash
550
mV
ILED = 376 mA
Torch
350
STEP-UP DC-DC CONVERTER SPECIFICATIONS
VUVLO
Undervoltage lockout threshold
Falling VIN
2.5
V
VIVFM
Input voltage flash monitor trip
threshold
Reg 0x02, bits [7:5] = 000
–3%
2.9
3%
V
IQ
Quiescent supply current
0.3
mA
ISB
Standby supply current
Device disabled
2.5 V
≤ VIN ≤ 5.5 V
0.8
4
µA
STROBE VOLTAGE SPECIFICATIONS
VIL
Input logic low
2.5 V
≤ VIN ≤ 5.5 V
0
0.4
V
VIH
Input logic high
1.2
VIN
V
I2C-COMPATIBLE INTERFACE SPECIFICATIONS (SCL, SDA)
VIL
Input logic low
2.5 V
≤ VIN ≤ 4.2 V
0
0.4
V
VIH
Input logic high
1.2
VIN
VOL
Output logic low
ILOAD = 3 mA
400
mV
6.6 Timing Requirements
MIN
NOM
MAX
UNIT
t1
SCL clock period
2.4
µs
t2
Data in set-up time to SCL high
100
ns
t3
Data out stable after SCL low
0
ns
t4
SDA low set-up time to SCL low (start)
100
ns
t5
SDA high hold time after SCL high (stop)
100
ns
Figure 1. I2C-Compatible Interface Specifications


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