MP1529DR MPS [Monolithic Power Systems], MP1529DR Datasheet - Page 2

• Manufacturer Part Number: MP1529DR
• Description: Fixed Frequency Step-Up Converter LCD Backlight Plus Flash
• Manufacturer: MPS [Monolithic Power Systems]

PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
MP1529 Rev. 1.0
11/23/2005
*
Parameter
Shutdown Supply Current
Supply Current
Under Voltage Lockout
Under Voltage Lockout Hysteresis
OUT Over Voltage Threshold
OUT Leakage Current
ISET1 Backlight Current Gain
ISET2 Preview Current Gain
ISET3 Flash Current Gain
ISET1, ISET2 and ISET3 Voltage
LED1 and LED2 Voltage
LED3 Voltage
SW Switch On Resistance
SW Switch Leakage Current
SW Switch Current Limit
Part Number*
IN
For Tape & Reel, add suffix –Z (eg. MP1529DR–Z)
For Lead Free, add suffix –LF (eg. MP1529DR–LF–Z)
MP1529DR
COMP
= 3.6V, T
EN1
EN2
SS
CONNECT TO PIN 6
PIN 1 ID
EXPOSED PAD
ON BACKSIDE
1
2
3
4
A
TM
LED3
= +25°C, unless otherwise noted.
MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH
16
IN
5
(4mm x 4mm)
TOP VIEW
Package
PGND
GND
QFN16
15
6
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
LED2
SW
14
7
PGND
LED1
13
8
–40°C to +85°C
Temperature
12
11
10
MP1529_PD01-QFN16
Symbol Condition
9
© 2005 MPS. All Rights Reserved.
OUT
ISET3
ISET2
ISET1
www.MonolithicPower.com
V
V
mode without switching
V
V
V
I
I
I
I
I
I
V
V
LED1,2
LED3
LED3
ISET1,2,3
LED1,2
LED3
EN1
EN1
IN
OUT
EN1
EN1
SW
Rising
= 27V
= V
= 3V, V
= V
= 40mA
= 100mA
= 100mA
= V
= 28V,
= 20mA
= 20mA
= 20µA
EN2
EN2
EN2
ABSOLUTE MAXIMUM RATINGS
V
V
All Other Pins................................. –0.3V to +6V
Junction Temperature...............................125°C
Lead Temperature ....................................260°C
Storage Temperature ..............–65°C to +150°C
Recommended Operating Conditions
Supply Voltage V
LED Current (Backlight)............ 30mA Maximum
LED Current (Flash) ............... 150mA Maximum
Operating Temperature .............–40°C to +85°C
Thermal Resistance
QFN16 (4mm x 4mm) ............. 60 ...... 12... °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.
= 0V
= 0V
= 0V
IN
SW
EN2
operating conditions.
................................................. –0.3V to +6V
, V
= 0V, BL
OUT
, V
LED1
, V
IN
Min
2.0
LED2
.......................... 2.7V to 5.5V
, V
(3)
LED3
1.216
0.95
0.25
Typ
210
440
480
0.5
1.5
1.1
1.2
28
1
.......... –1V to +40V
θ
JA
Max
2.6
1
3
1
1
θ
JC
mA/µA
mA/µA
mA/µA
Units
mA
mV
mV
mV
µA
µA
µA
Ω
V
V
V
A
(2)
(1)
2