TM
MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
PACKAGE REFERENCE
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
TOP VIEW
FB1
EN1
IN1
1
2
3
4
5
10 FB2
9
8
7
6
EN2
PWROK
OUT2
IN2
SW1
GND
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
EXPOSED PAD
ON BACKSIDE
Thermal Resistance (3)
θJA
θJC
QFN10 (3mm x 3mm).............50...... 12... °C/W
Part Number*
Package
Temperature
QFN10
(3mm x 3mm)
Notes:
MP2101DQ
–40°C to +85°C
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
For Tape & Reel, add suffix –Z (eg. MP2101DQ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2101DQ–LF–Z)
*
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
Typ
400
80
Max Units
VFB1/2 = 0.62V
550
100
400
1
µA
µA
µA
µA
°C
%
No Load Supply Current
VEN1 = 0V, VEN2 = 3.6V
VEN1 = 3.6V, VEN2 = 0V
VEN1/2 = 0V, VIN1/2 = 6V
Hysteresis = 20°C
300
0.01
150
10
Shutdown Current
Thermal Shutdown Trip Threshold
PWROK Upper-Trip Threshold
PWROK Lower-Trip Threshold
PWROK Output Lower Voltage
PWROK Deglitch Timer (FB1)
PWROK Deglitch Timer (FB2)
EN1/2 Trip Threshold
FB1/2 with respect to the Nominal Value
FB1/2 with respect to the Nominal Value
ISINK = 5mA
–10
%
0.3
1.5
2.5
V
Switching Regulator
LDO
50
µs
150
0.96
900
–40°C ≤ TA ≤ +85°C
0.3
1.5
V
EN1/2 Pull-Down Resistor
Switching Regulator
kΩ
IN1 Under Voltage Lockout Threshold Rising Edge
IN1 Under Voltage Lockout Hysteresis
2.0
V
100
mV
TA = +25°C
0.588 0.600 0.612
Regulated FB1Voltage
V
–40°C ≤ TA ≤ +85°C
VFB1 = 0.62V
0.582
–50
0.618
+50
FB1 Input Bias Current
–2
nA
MP2101 Rev. 1.0
8/18/2006
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