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參數(shù)資料
| 型號： | LP3936SL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Lighting Management System for Six White LEDs and One RGB or FLASH LED |
| 中文描述： | LED DISPLAY DRIVER, QCC32 |
| 封裝： | 4.5 X 5.5 MM, 0.80 MM HEIGHT, 0.50 PITCH, CSP-32 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 520K |
| 代理商： | LP3936SL |
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
DD1
, V
DD2
, V
DD_IO
, V(OUT, FB)
Voltage on Logic Pins
-0.3V to 6.0V
-0.3V to V
DD_IO
+
0.3V, with 6.0V max
-0.3V to V(FB) +
0.3V, with 6.0V max
-0.3V to V
DD1,2
+
0.3V, with 6.0V max
Voltage on LED Output Pins
Voltage on All Other Pins
I (ROUT, GOUT, BOUT)
I (V
REF
)
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
150 mA
10 μA
Internally Limited
125C
65C to +150C
Maximum Lead Temperature
(Reflow soldering, 3 times) (Note 4)
ESD Rating (Note 5)
Human Body Model:
Machine Model:
260C
2 kV
200V
Operating Ratings
(Notes 1, 2)
V
DD1
, V
DD2
V
DD_IO
Recommended Load Current
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 6)
3.0V to 6.0V
1.8V – V
DD1,2
0 mA to 250 mA
40C to +125C
40C to +85C
Thermal Properties
Junction-to-Ambient Thermal Resistance (
θ
JA
),
SLD32A Package (Note 7)
72C/W
Electrical Characteristics
(Notes 2, 8)
Limits in standard typeface are for T
= 25C. Limits in
boldface
type apply over the operating ambient temperature range
(40C
≤
T
A
≤
+85C). Unless otherwise noted, specifications apply to the
Section Block Diagram
with: V
= V
= V
DD_IO
= 3.6V, C
VDD1
, C
VDD2
, C
VDDIO
= 1 μF, C
IN
, C
OUT
= 10 μF, C
VDDA
= 1 μF, C
VREF
= 0.1 μF, L
BOOST
= 10 μH (Note 9).
Symbol
Parameter
Condition
V
DD1,2
Supply Voltage
I
DD
Standby Supply Current
(V
DD1
and V
DD2
current)
CS, SCL, DI, NRST = H
V
DD1
, V
DD2
= 3.6V
No-Load Supply Current
(V
DD1
and V
DD2
current, boost off)
EN_BOOST = L (reg.)
SCL, CS, DI, NRST = H
Full Load Supply Current
(V
DD1
and V
DD2
current, boost on)
NRST, CS, SCL, DI = H
RGB_EN = L
WLED1 … 6 = L
EN_AMBADC = L
I
DD_IO
V
DD_IO
Standby Supply Current
NSTBY = L (register)
CS, SCL, DI, NRST = H
V
DD_IO
Operating Supply Current
1 MHz Clock Frequency
C
L
= 50 pF at DO pin
V
REF
Reference Voltage (Note 10)
I
REF
≤
1 nA,
Test Purposes Only
V
DDA
LDO Output Voltage
Min
3.0
Typ
3.6
1
Max
6.0
7
Units
V
μA
NSTBY = L (register)
NSTBY = H (reg.)
170
300
μA
NSTBY = H (register)
1
mA
1
μA
20
μA
1.205
2
2.688
–4
1.23
1.255
+2
2.912
+4
V
%
IV
DDA
<
1 μA
2.8
% V
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 (GND1, GND2, GND_T, GND_BOOST, GND_WLED, GND_RGB).
Note 3:
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at T
J
= 160C (typ.) and disengages at T
J
=
140C (typ.).
Note 4: For detailed soldering specifications and information, please refer to National Semiconductor Application Note 1125:
Laminate CSP/FBGA
Package (AN-1125).
Note 5:
The Human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin. The machine model is a 200 pF capacitor discharged
directly into each pin. MIL-STD-883 3015.7
L
www.national.com
4
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