MP1519 MPS, MP1519 Datasheet - Page 2
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MP1519
Manufacturer Part Number
MP1519
Description
High Efficiency Charge Pump 4 White LED Driver
Manufacturer
MPS
Datasheet
1.MP1519.pdf
(8 pages)
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PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
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.
MP1519 Rev. 1.9
7/27/2006
*
Parameter
Input Supply Voltage
V
V
V
V
Supply Current
Supply Current Shutdown
Current Matching
Enable Voltage, High
Enable Voltage, Low
Enable Pin Leakage
Charge Pump Frequency
Time to Standby Mode
Enable Pin PWM Frequency Limit
LED Current
Part Number*
BATT
BATT
BATT
BATT
BATT
For Tape & Reel, add suffix –Z (eg. MP1519DQ–Z)
For RoHS Compliant Packaging, add suffix –LF
(eg. MP1519DQ–LF–Z)
MP1519DQ
= 5V, T
at 1x to 1.5x Mode Switch
at 1.5x to 2x Mode Switch
at 2x to 1.5x Mode Switch
at 1.5x to 1x Mode Switch
PIN 1 ID
LED4
GND
C1A
NC
TM
A
= +25°C, unless otherwise noted.
1
2
3
4
EXPOSED PAD
CONNECT TO PIN 8
(3mm x 3mm)
(4)
LED3
BATT
16
5
Package
QFN16
TOP VIEW
LED2
C2A
(5)
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
15
6
LED1
C1B
14
7
BATT
LEDC
13
8
–40°C to +85°C
12
11
10
V
V
V
V
Temperature
9
I
I
V
V
Symbol
BATT SHDN
LED MATCH
BATT 1x-1.5x
BATT 1.5x-2x
BATT 2x-1.5x
BATT 1.5x-1x
F
EN (HIGH)
V
EN (LOW)
I
T
EN
RADJ
GND
C2B
F
HPWM
I
BATT
I
BATT
LED
EN
OFF
CP
MP1519 – 1X, 1.5X, 2X CHARGE PUMP 4 WHITE LED DRIVER
© 2006 MPS. All Rights Reserved.
www.MonolithicPower.com
Condition
I
V
I
V
V
V
V
V
4 LEDs at 20mA, 2x Mode,
V
V
I
V
V
Enable Switched Low
R
LED
LED
LED
LED
LED
BATT
LED
BATT
LED
BATT
EN
EN
BATT
SET
= 20mA, V
= 20mA, V
= 0V
= 20mA
= 5V
= 3.35V @ 20mA
= 3.35V @ 20mA
= 3.35V @ 20mA
= 3.35V @ 20mA
= 1.54kΩ
Increasing,
Increasing,
= 2.5V
= 3.3V
ABSOLUTE MAXIMUM RATINGS
V
Power Dissipation (QFN) ........................... 1.0W
Logic Inputs to GND ................... –0.3V to +6.5V
Storage Temperature ..............–65°C to +150°C
Junction Temperature...............................150°C
Recommended Operating Conditions
Input Voltage VBATT ...................... 2.5V to 5.5V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
3x3 QFN16 ............................. 60 ...... 14... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
3) Measured on approximately 1” square of 1 oz copper.
BATT
BATT
BATT
operating conditions.
to GND .............................................. 6.5V
Decreasing,
Decreasing,
Min
2.5
0.8
1.0
18
(3)
Typ
164
3.6
2.8
3.1
3.8
0.1
1.5
2.0
1.0
0.1
1.3
30
50
20
θ
JA
Max
180
5.5
5.0
2.2
1.6
22
1
1
θ
JC
Units
MHz
KHz
mA
mA
µA
µA
µs
%
V
V
V
V
V
V
V
(2)
(1)
2