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ELM901F-SERIES Datasheet(PDF) 8 Page - ELM Electronics

Part # ELM901F-SERIES
Description  1A 2x Charge Pump LED Driver
PDF  11 Pages
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Manufacturer  ELM [ELM Electronics]
Direct Link  http://www.elmelectronics.com
Logo ELM - ELM Electronics

ELM901F-SERIES Datasheet(HTML) 8 Page - ELM Electronics

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Parameter
Symbol
Condition
Min.
Typ.
Max. Unit
Short protection circuit
Iled limit when ISET is short
Iled
(short)
ISET1&2 turn Iled to be OFF
for short protection, Vin=3.9V,
Vled=1.0V, 2x operation
1.5
A
VO short protection detection
voltage
Vo
(short)
Iled is OFF when short protection
is activated
0.45
0.60
0.95
V
VO short current
Ishort Vin=3.6V
30
mA
Thermal protection circuit
Thermal protection circuit
OHP Iled is OFF when thermal
protection circuit is activated
150
°C
Fail safe circuit
Fail safe set range
Tfs
(range)
* Fail safe function is OFF when
FS-VIN is short or open.
0.2
1.0
s
Fail safe time1
Tfs1
0.80
1.00
1.20
s
Fail safe time2
Tfs2
0.16
0.20
0.24
s
Fail safe time3
Tfs3
0.40
0.50
0.60
s
Fail safe current
Ifs
10
15
20
μA
FS threshold voltage1
Vfs1
0.120 0.150 0.180
V
FS threshold voltage2
Vfs2
0.405 0.450 0.495
V
FS threshold voltage3
Vfs3
1.080 1.220 1.360
V
ELM901FxA 1A 2x Charge Pump LED Driver
Parameter
Condition
EN logic & LED current
EN logic
EN1
EN2
* EN1 & EN2 will be in standby mode when being
pulled down to be open.
Standby(output OFF)
0
0
Low current
1
0
High current
0
1
Low+High current
1
1
■Marking
11 -
• QFN16-4x4 package : ELM901FAA
• QFN16-3x3 package : ELM901FBA
ELM
bc
901FAA
a
ELM
bc
901FBA
a
Mark
Content
ELM901FAA
Name
abc
(000 to 999)
Assembly lot No.
Mark
Content
ELM901FBA
Name
abc
(000 to 999)
Assembly lot No.



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