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參數(shù)資料
| 型號： | LP3933 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs |
| 中文描述： | 照明管理系統(tǒng)6個白光LED和RGB或兩個閃光LED |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 406K |
| 代理商： | LP3933 |
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 (SW, FB, WLED1-4, CLED1-2,
R1-2, G1-2, B1-2) pins:
Voltage to GND (Notes 3, 4)
V
DD1
, V
DD2
, V
DD_IO
Voltage on Logic Pins
0.3V to +7.2V
0.3V to +6.0V
-0.3V to V
DD_IO
+
0.3V, with 6.0V max
I (R1, G1, B1, R2, G2, B2)
(Note 5)
I (V
REF
)
Continuous Power Dissipation
(Note 6)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Reflow soldering, 3 times)
(Note 7)
150 mA
10 μA
Internally Limited
125C
65C to +150C
260C
ESD Rating (Notes 8, 14)
Human Body Model:
Machine Model:
2 kV
200V
Operating Ratings
(Notes 1, 2)
V (SW, FB, WLED1-4, CLED1-2,
R1-2, G1-2, B1-2)
V
DD1
, V
DD2
(Note 4)
V
DD_IO
Recommended Load Current
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 9)
3.0V to 6.0V
2.65 to 2.9V
1.8V to V
DD1,2
0 mA to 300 mA
40C to +125C
40C to +85C
Thermal Properties
Junction-to-Ambient Thermal Resistance (
θ
JA
),
SLE32A Package (Note 10)
72C/W
Electrical Characteristics
(Notes 2, 11)
Limits in standard typeface are for T
= 25C. Limits in
boldface
type apply over the operating ambient temperature range
(40C
≤
T
≤
+85C). Unless otherwise noted, specifications apply to the LP3933 Functional Block Diagram (pg. 5) with: V
DD1
= V
DD2
= 2.775V, C
VDD1
= C
VDD2
= C
VDDIO
= 0.1 μF, C
OUT
= C
IN
= 10 μF, C
VREF
= 0.1 μF, L
1
= 10 μH (Note 12).
Symbol
Parameter
Condition
I
DD
Standby Supply Current
(V
DD1
and V
DD2
current)
SCK, SS, SI, NRST = H
No-Load Supply Current
(V
DD1
and V
DD2
current, boost off)
EN_BOOST = L (reg.)
SCK, SS, SI, NRST = H
Full Load Supply Current
(V
DD1
and V
DD2
current, boost on)
EN_BOOST = H (reg.)
SCK, SS, SI, NRST = H
All Outputs Active
I
DD_IO
V
DD_IO
Standby Supply Current
NSTBY = L (register)
SCK, SS, SI, NRST = H
V
DD_IO
Operating Supply Current
1 MHz Clock Frequency
C
L
= 50 pF at SO pin
V
REF
Reference Voltage (Note 13)
I(V
REF
)
≤
1 nA,
Test Purposes Only
Min
Typ
1
Max
5
Units
μA
NSTBY = L (register)
NSTBY = H (reg.)
170
300
μA
NSTBY = H (reg.)
1
mA
1
5
μA
20
μA
1.205
2
1.23
1.255
+2
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 (GND1-4, GND_BOOST, GND_WLED, GND_RGB).
Note 3:
Battery/Charger voltage should be above 6V no more than 10% of the operational lifetime.
Note 4:
Voltage tolerance of LP3933 above 6.0V relies on fact that V
and V
(2.775V) are available (ON) at all conditions. If V
DD1
and V
DD2
are not available
(ON) at all conditions, National Semiconductor does not guarantee any parameters or reliability for this device.
Note 5:
The total load current of the boost converter should be limited to 300 mA.
Note 6:
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 7:
For detailed soldering specifications and information, please refer to National Semiconductor Application Note 1125: Laminate CSP/FBGA.
Note 8:
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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| LP3933A WAF | 制造商:Texas Instruments 功能描述: |
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| LP3933SL/NOPB | 功能描述:IC LED DRVR WT/RGB BCKLGT 32TCSP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標準包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓撲:PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
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| LP3936 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lighting Management System for Six White LEDs and One RGB or FLASH LED |
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