MP2101 查看數據表（PDF） - Monolithic Power Systems
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MP2101 Datasheet PDF : 12 Pages
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TM
MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
PACKAGE REFERENCE
TOP VIEW
FB1 1
EN1 2
IN1 3
SW1 4
GND 5
EXPOSED PAD
ON BACKSIDE
10 FB2
9 EN2
8 PWROK
7 OUT2
6 IN2
Part Number*
MP2101DQ
Package
QFN10
(3mm x 3mm)
Temperature
–40°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP2101DQ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2101DQ–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
IN1, OUT1/2 to GND ................. –0.3V to + 6.5V
IN2 to GND ......................... –0.3V to VIN1 + 0.3V
SW1 to GND....................... –0.3V to VIN1 + 0.3V
PWROK to GND ......................... –0.3V to +6.5V
FB1/2, EN1/2 to GND ................. –0.3V to +6.5V
Operating Temperature .............–40°C to +85°C
Junction Temperature...............................150°C
Lead Temperature ....................................260°C
Storage Temperature .............–65°C to +150°C
Recommended Operating Conditions (2)
Supply Voltage VIN1 ........................... 2.5V to 6V
Supply Voltage VIN2 ..........................1.2V to VIN1
Output Voltage VOUT1/2 ....................... 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)
VIN1/2 = VEN1/2 = 3.6V, TA = +25°C, unless otherwise noted.
Parameters
Condition
Min
No Load Supply Current
Shutdown Current
Thermal Shutdown Trip Threshold
VFB1/2 = 0.62V
VEN1 = 0V, VEN2 = 3.6V
VEN1 = 3.6V, VEN2 = 0V
VEN1/2 = 0V, VIN1/2 = 6V
Hysteresis = 20°C
PWROK Upper-Trip Threshold
FB1/2 with respect to the Nominal Value
PWROK Lower-Trip Threshold
FB1/2 with respect to the Nominal Value
PWROK Output Lower Voltage
PWROK Deglitch Timer (FB1)
ISINK = 5mA
Switching Regulator
PWROK Deglitch Timer (FB2)
LDO
EN1/2 Trip Threshold
–40°C ≤ TA ≤ +85°C
0.3
EN1/2 Pull-Down Resistor
Switching Regulator
IN1 Under Voltage Lockout Threshold Rising Edge
1.5
IN1 Under Voltage Lockout Hysteresis
Regulated FB1Voltage
FB1 Input Bias Current
TA = +25°C
–40°C ≤ TA ≤ +85°C
VFB1 = 0.62V
0.588
0.582
–50
Typ
400
80
300
0.01
150
10
–10
50
150
0.96
900
2.0
100
0.600
–2
Max
550
100
400
1
0.3
1.5
2.5
0.612
0.618
+50
Units
µA
µA
µA
µA
°C
%
%
V
µs
V
kΩ
V
mV
V
nA
MP2101 Rev. 1.0
www.MonolithicPower.com
2
8/18/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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