TM
MP1519L – 1X, 1.5X, 2X CHARGE PUMP 3 WHITE LED DRIVER
PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS (1)
VBATT 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
TOP VIEW
LED3 LED2 LED1 BATT
PIN 1 ID
16
15
14
13
NC
NC
1
2
3
4
12 EN
Junction Temperature...............................150°C
11 RADJ
10 GND
Recommended Operating Conditions (2)
Input Voltage VBATT ......................... 2.5V to 5.5V
Operating Temperature .............–40°C to +85°C
GND
C1A
9
C2B
Thermal Resistance (3)
θJA
θJC
5
6
7
8
BATT C2A C1B LEDC
3x3 QFN16 .............................60...... 12... °C/W
3x3 TQFN16...........................60...... 12... °C/W
EXPOSED PAD
CONNECT TO PIN 8
Notes:
Part Number*
Package
Temperature
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
QFN16
(3mm x 3mm)
MP1519DQL
–40°C to +85°C
3) Measured on approximately 1” square of 1 oz copper.
Thin QFN16
(3mm x 3mm)
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)
*
ELECTRICAL CHARACTERISTICS
VBATT = 5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max Units
Input Supply Voltage
VBATT
2.5
5.5
V
ILED = 20mA, VBATT Decreasing,
VLED = 3.35V @ 20mA
ILED = 20mA, VBATT Decreasing,
VBATT at 1x to 1.5x Mode Switch
VBATT at 1.5x to 2x Mode Switch
VBATT at 2x to 1.5x Mode Switch
VBATT at 1.5x to 1x Mode Switch
Supply Current
VBATT 1x-1.5x
VBATT 1.5x-2x
VBATT 2x-1.5x
VBATT 1.5x-1x
IBATT
3.6
2.8
3.1
3.8
124
V
V
V
VLED = 3.35V @ 20mA
VBATT Increasing,
VLED = 3.35V @ 20mA
VBATT Increasing,
VLED = 3.35V @ 20mA
V
3 LEDs at 20mA, 2x Mode,
140
mA
VBATT = 2.5V
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
IBATT SHDN VEN = 0V
ILED MATCH ILED = 20mA
VEN (HIGH)
0.1
1.5
1.4
1.0
0.1
1.3
30
1
5
2.0
µA
%
V
VEN (LOW)
0.8
1.0
V
IEN
FCP
VEN = 5V
VBATT = 3.3V
1
1.6
µA
MHz
µs
KHz
mA
TOFF
FHPWM
ILED
Enable Switched Low
50
20
RSET = 1.54kΩ
18
22
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.
MP1519L Rev. 1.3
7/27/2006
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