NTE1511
Integrated Circuit
5鈥揝tep LED Driver for Linear Scale
Description:
The NTE1511 is an integrated circuit in an 14鈥揕ead DIP type package designed for use in level meter
applications. This device is capable of driving 5 LEDs to create a bar鈥搕ype display. In accordance
with the input level, the uppermost LED brightness varies to form a linear indicator, making the
NTE1511 ideal for use in signal meters and VU meters. A low鈥搗oltage reference power supply is
built鈥搃n, so that the only external components required are LEDs, resistors, and capacitors.
Features:
D
Wide Supply Voltage Range: +5V to +16V
D
Reference Voltage: V
ref
= 2.8V
鹵0.2V
D
LED Output Voltage: Constant Voltage
D
LED Current: Constant Current by Means of an External Resistor
D
Allowable Power Dissipation: P
d
max = 1.15W @ T
A
= +25擄C
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Maximum Supply Voltage (Pin8), V
CC
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to +18V
Input Voltage (Pin1, Pin2, Pin3), V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to V
CC
Output Voltage (Pin14), V
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to +8.0V
Output Voltage (Pin9 to Pin13, V
OUT(D)
鈮?/div>
V
CC
at output (D
1
to D
5
) OFF), V
OUT(D)
. . 鈥?.3V to +10V
Reference Flow鈥揙ut Current (Pin5), I
ref
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.0mA to 0mA
Allowable Power Dissipation, P
d
max
Without Heatsink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3W
With 50 x 50 x 1mm
3
Al plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.15W
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +60擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
Note 1. A voltage of V
CC
+0.3V or more must not be applied to the input and output pins.
Recommended Operating Conditions:
(T
A
= +25擄C unless otherwise specified)
Parameter
Supply Voltage
Input Voltage
Output Pin Load Resistance
Symbol Pin #
V
CC
V
IN1+
,
2
R
L
OUT
8
2, 3
14
Between OUT (Pin14) and GND (Pin7)
Test Conditions
Min
5
鈥?.3
15
Typ
鈥?/div>
鈥?/div>
鈥?/div>
Max Unit
16
V
CC
20
V
V
k鈩?/div>
next
NTE1511 產(chǎn)品屬性
NTE
置換半導(dǎo)體
否
1
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