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參數(shù)資料
| 型號： | MP1519L |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1x, 1.5x, 2x High Efficiency Charge Pump 3 White LED Driver |
| 中文描述： | 1倍，1.5倍，2倍高效充電泵白光LED驅(qū)動(dòng)器3 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 249K |
| 代理商： | MP1519L |
MP1519L – 1X, 1.5X, 2X CHARGE PUMP 3 WHITE LED DRIVER
MP1519L Rev. 1.3
7/27/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
Part Number*
Package
QFN16
(3mm x 3mm)
Thin QFN16
(3mm x 3mm)
Temperature
MP1519DQL
–40
°
C to +85
°
C
MP1519DQTL
–40
°
C to +85
°
C
*
For Tape & Reel, add suffix –Z (eg. MP1519DQL–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP1519DQL–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
V
BATT
to GND .............................................. 6.5V
Power Dissipation (QFN).......................... 1.0 W
Logic Inputs to GND .....................–0.3V to 6.5V
Storage Temperature ...............–65
°
C to 150
°
C
Junction Temperature...............................150
°
C
Recommended Operating Conditions
(2)
Input Voltage V
BATT
.........................2.5V to 5.5V
Operating Temperature .............–40
°
C to +85
°
C
Thermal Resistance
(3)
3x3 QFN16 .............................60...... 12...
°
C/W
3x3 TQFN16...........................60...... 12...
°
C/W
θ
JA
θ
JC
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
V
BATT
= 5V, T
A
= +25
°
C, unless otherwise noted.
Parameter
Input Supply Voltage
Symbol
V
BATT
Condition
I
LED
= 20mA, V
BATT
Decreasing,
V
LED
= 3.35V @ 20mA
I
LED
= 20mA, V
BATT
Decreasing,
V
LED
= 3.35V @ 20mA
V
BATT
Increasing,
V
LED
= 3.35V @ 20mA
V
BATT
Increasing,
V
LED
= 3.35V @ 20mA
3 LEDs at 20mA, 2x Mode,
V
BATT
= 2.5V
I
BATT SHDN
V
EN
= 0V
I
LED MATCH
I
LED
= 20mA
V
EN (HIGH)
V
EN (LOW)
I
EN
V
EN
= 5V
F
CP
V
BATT
= 3.3V
T
OFF
Enable Switched Low
F
HPWM
I
LED
R
SET
= 1.54k
Min
2.5
Typ
Max
5.5
Units
V
V
BATT
at 1x to 1.5x Mode Switch
V
BATT 1x-1.5x
3.6
V
V
BATT
at 1.5x to 2x Mode Switch
V
BATT 1.5x-2x
2.8
V
V
BATT
at 2x to 1.5x Mode Switch
V
BATT 2x-1.5x
3.1
V
V
BATT
at 1.5x to 1x Mode Switch
V
BATT 1.5x-1x
3.8
V
Supply Current
I
BATT
124
140
mA
Supply Current Shutdown
Current Matching
(4)
Enable Voltage, High
Enable Voltage, Low
Enable Pin Leakage
Charge Pump Frequency
Time to Standby Mode
(5)
Enable Pin PWM Frequency Limit
LED Current
0.1
1.5
1.4
1.0
0.1
1.3
30
50
20
1
5
2.0
1
1.6
22
μ
A
%
V
V
μ
A
MHz
μ
s
KHz
mA
0.8
1.0
18
Notes:
4) Matching is defined as the difference of the maximum to minimum current divided by the sum of the maximum and minimum currents.
5) Standby mode switches to shutdown when the output voltage on LEDC drifts back to GND.
TOP VIEW
LED2
EXPOSED PAD
CONNECT TO PIN 8
PIN 1 ID
NC
NC
GND
C1A
EN
RADJ
GND
C2B
1
2
3
4
13
14
15
16
8
7
6
5
LEDC
C1B
C2A
BATT
BATT
LED1
LED3
12
11
10
9
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