A8514KLPTR-T Allegro Microsystems Inc, A8514KLPTR-T Datasheet - Page 7

• Manufacturer Part Number: A8514KLPTR-T
• Description: IC LED DVR WHT 4X80MA 16-ETSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A8514KLPTR-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A8514
ELECTRICAL CHARACTERISTICS
and characterization over the full operating temperature range with T
GATE Pin
GATE Pin Sink Current
Gate Fault Shutdown Greater than
2X Current
Gate Fault Shutdown Greater than
1–2X Current
Gate Voltage
VSENSE Pin
VSENSE Pin Sink Current
VSENSE Trip Point
VSENSE 2X Trip
¯ F ¯ ¯ A ¯¯ U ¯ ¯ L ¯ ¯ T ¯ Pin
¯ F ¯ ¯ A ¯ U ¯ ¯ L ¯ ¯ T ¯ Pull-Down Voltage
¯ F ¯ ¯ A ¯ U ¯ ¯ L ¯ ¯ T ¯ Pin Leakage Current
Thermal Protection (TSD)
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
1
going into the node or pin (sinking).
2
3
For input and output current specifications, negative current is defined as coming out of the node or pin (sourcing); positive current is defined as
Ensured by design and characterization, not production tested.
Minimum V
2
Characteristics
IN
= 5 V is only required at startup. After startup is completed, the IC is able to function down to V
2
2
2
V
V
I
Symbol
t
t
FAULTLKG
SENSEtrip1
SENSEtrip2
T
GFAULT2
GFAULT1
V
I
GSINK
SDHYS
V
I
FAULT
T
ADJ
1,2
GS
SD
(continued) Valid at V
V
Gate to source voltage measured when gate
is on
Measured between VIN and VSENSE,
R
2X V
R
I
V
Temperature rising
FAULT
GS
FAULT
ADJ
ADJ
Wide Input Voltage Range, High Efficiency
= V
SENSEtrip
= 0 Ω
= 0 Ω
= 1 mA
= 5 V
IN
, instantaneous shutdown,
Test Conditions
IN
= 16 V, T
A
= T
J
= –40°C to 125°C; unless otherwise noted
A
= 25°C,
Fault Tolerant LED Driver
indicates specifications guaranteed by design
Min.
18.8
94
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
−
−
−
−
−
−
−
−
−
IN
= 4 V.
10,000
−104
Typ.
–6.7
20.3
104
180
165
20
−
−
−
Max.
21.8
114
0.5
−
−
−
−
−
−
3
1
cycles
Unit
f
mV
mV
μA
μs
μA
μA
ºC
ºC
SW
V
V
7