參數(shù)資料
型號(hào)： LP5522TM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 顯示驅(qū)動(dòng)器
英文描述： Programmable LED Driver
中文描述： LED DISPLAY DRIVER, PBGA6
封裝： 1.215 X 0.815 MM, 0.60 MM HEIGHT, 0.40 MM PITCH, MICRO SMD-6
文件頁(yè)數(shù)： 3/14頁(yè)
文件大?。?/td> 219K
代理商： LP5522TM
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V (VDD, LED, ISET)
Voltage on logic pin (CTRL)
-0.3V to +6.0V
-0.3V to VDD +0.3V
with 6.0V max
Internally Limited
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Reflow soldering, 3 times)
(Note 4)
ESD Rating (Note 5)
Human Body Model
125°C
-65°C to +150°C
260°C
2 kV
Operating Ratings
(Notes 1, 2)
Voltage on power pin (VDD)
Recommended Load Current
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 6)
Thermal Properties
Junction-to-Ambient Thermal
Resistance (
θ
JA
),
TMD06 Package (Note 7)
2.7V to 5.5V
1 mA to 20 mA
-30°C to +125°C
-30°C to +85°C
87°C/W
Electrical Characteristics
(Notes 2, 8)
Limits in standard typeface are for T
J
= 25°C. Limits in
boldface
type apply over the operating ambient temperature range (-30°C
< T
A
< +85°C). Unless otherwise noted, specifications apply to the LP5522 Block Diagram with: V
IN
= 3.6V, R
ISET
= 24 k
, C
IN
=
100 nF.
Symbol
Parameter
I
VDD
Standby supply current
CTRL = L
Active Mode Supply Current
CTRL = H, LED = off
I
LEAKAGE
LED Pin Leakage Current
I
OUT
LED Output Current
Without external resistor
Condition
Min
Typ
0.2
40
Max
1
55
1
Units
μA
μA
μA
8
5
+8
mA
%
mA
%
LED Output Current
With external 24k
0.04% resistor
8
20
+8
I
MIRROR
External R
ISET
Mirroring Ratio
ISET Reference Voltage
1:400
V
ISET
V
HR
1.23
V
Minimum Headroom Voltage
(V
IN
- V
LED
)(Note 9)
I
OUT
set to 10 mA
I
OUT
set to 20 mA
35
70
50
100
1.1
11
mV
mV
T_CYCLE_H
T_CYCLE_L
ON
RESOLUTION
OFF
RESOLUTION
T_Timeout_H
T_Timeout_L
V
IL
V
IH
I
IN
t
ON
t
OFF
t
ENTER
t
ENTER
+t
BLANK
Minimum LED On Time
Minimum LED Off Time
LED On Time Resolution
0.9
9
1.0
10
1
ms
ms
ms
LED Off Time Resolution
10
ms
LED Timeout On Time
LED Timeout Off Time
Logic Input Low Level
287
2.87
1.2
-1
15
30
500
319
3.19
351
3.51
0.5
ms
s
V
Logic Input High Level
V
CTRL Input Current
1
μA
CTRL Pulse ON Time
μs
CTRL Pulse OFF Time
μs
Command Entering Period
μs
Command Entering Period + Blank
Period
1500
μs
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation
of the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions,
see the Electrical Characteristics tables.
Note 2:
All voltages are with respect to the potential at the GND pins.
Note 3:
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at T
J
=160°C (typ.) and disengages at
T
J
=140°C (typ.).
3
www.national.com
L
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