EV2109DQ-00A Ver la hoja de datos (PDF) - Monolithic Power Systems
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EV2109DQ-00A Datasheet PDF : 8 Pages
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MP2109 – DUAL 1.2MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER
PACKAGE REFERENCE
TOP VIEW
EN1 1
FB1 2
IN2 3
GND2 4
SW2 5
EXPOSED PAD
ON BACKSIDE
10 SW1
9 GND1
8 IN1
7 FB2
6 EN2
MP2109_PD02_QFN10
Part Number* Package
Temperature
MP2109DQ
QFN10
(3mm x 3mm)
–40°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP2109DQ–Z)
For Lead Free, add suffix –LF (eg. MP2109DQ–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
VIN1/IN2 to GND ............................ –0.3V to +6.5V
VSW1/SW2 to GND................... –0.3V to VIN + 0.3V
VFB1/FB2, VEN1/EN2 to GND ............. –0.3V to +6.5V
Junction Temperature.............................+150°C
Lead Temperature ..................................+260°C
Storage Temperature .............–65°C to +150°C
Recommended Operating Conditions (2)
Supply Voltage VIN1/IN2 ....................... 2.5V to 6V
Output Voltage VOUT1/OUT2 .................. 0.6V to 6V
Operating Temperature .............–40°C to +85°C
Thermal Resistance (3) θJA θJC
QFN10 (3mm x 3mm)............. 50 ...... 12... °C/W
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 (4)
VIN1/IN2 = VEN1/EN2 = 3.6V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min Typ
Each Converter Supply Current
Each Converter Shutdown
Current
VEN1/EN2 = VIN1/IN2, VFB1/FB2 = 0.65V
VEN1/EN2 = 0V, VIN1/IN2 = 6V
440
0.10
IN Under Voltage Lockout
Threshold
Rising Edge
2.15 2.30
IN Under Voltage Lockout
Hysteresis
55
Regulated FB Voltage
FB Input Bias Current
PFET On Resistance
NFET On Resistance
SW Leakage Current
PFET Current Limit
VFB
TA = +25°C
–40°C ≤ TA ≤ +85°C
IFB
VFB1/FB2 = 0.65V
ISW1/SW2 = 100mA
ISW1/SW2 = –100mA
VEN1/EN2 = 0V, VIN1/IN2 = 6V
VSW1/SW2 = 0V or 6V
Duty Cycle = 100%,
Current Pulse Width < 1ms
0.588
0.582
–50
0.600
0.600
0.5
0.42
0.26
–2
0.9 1.3
Oscillator Frequency
fOSC
Thermal Shutdown Trip
Threshold
0.99 1.24
150
EN Enable Threshold
EN Input Current
–40°C ≤ TA ≤ +85°C
VEN1/EN2 = 0V to 6V
0.3 0.96
–1
Notes:
4) Production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
Max
600
1
2.40
0.612
0.618
+50
+2
1.8
1.49
1.5
+1
Units
µA
µA
V
mV
V
nA
Ω
Ω
µA
A
MHz
°C
V
µA
MP2109 Rev.1.4
www.MonolithicPower.com
2
10/16/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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