LQH4C100K04 MPS [Monolithic Power Systems], LQH4C100K04 Datasheet - Page 2

• Manufacturer Part Number: LQH4C100K04
• Description: 1.6MHz Synchronous Step-Down plus 200mA LDO
• Manufacturer: MPS [Monolithic Power Systems]

PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
MP2101 Rev. 1.0
8/18/2006
*
Part Number*
Parameters
No Load Supply Current
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
EN1/2 Pull-Down Resistor
Switching Regulator
IN1 Under Voltage Lockout Threshold Rising Edge
IN1 Under Voltage Lockout Hysteresis
Regulated FB1Voltage
FB1 Input Bias Current
IN1/2
For Tape & Reel, add suffix –Z (eg. MP2101DQ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2101DQ–LF–Z)
MP2101DQ
= V
GND
SW1
EN1
EXPOSED PAD
FB1
EN1/2
ON BACKSIDE
IN1
TM
= 3.6V, T
1
2
3
4
5
(3mm x 3mm)
TOP VIEW
Package
QFN10
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
A
= +25°C, unless otherwise noted.
10
9
8
7
6
MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
–40°C to +85°C
Temperature
FB2
EN2
PWROK
OUT2
IN2
Condition
V
V
V
V
Hysteresis = 20°C
FB1/2 with respect to the Nominal Value
FB1/2 with respect to the Nominal Value
I
Switching Regulator
LDO
–40°C ≤ T
T
–40°C ≤ T
V
SINK
A
FB1/2
EN1
EN1
EN1/2
FB1
© 2006 MPS. All Rights Reserved.
= +25°C
= 5mA
= 0.62V
= 0V, V
= 3.6V, V
www.MonolithicPower.com
= 0.62V
= 0V, V
A
A
(4)
≤ +85°C
≤ +85°C
EN2
IN1/2
EN2
= 3.6V
= 0V
= 6V
ABSOLUTE MAXIMUM RATINGS
IN1, OUT1/2 to GND ................. –0.3V to + 6.5V
IN2 to GND ......................... –0.3V to V
SW1 to GND....................... –0.3V to V
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
Supply Voltage V
Supply Voltage V
Output Voltage V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
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
3) Measured on approximately 1” square of 1 oz copper.
operating conditions.
OUT1/2
IN1
IN2
0.588
0.582
........................... 2.5V to 6V
..........................1.2V to V
Min
–50
0.3
1.5
....................... 0.6V to 6V
(3)
0.600
0.01
0.96
Typ
400
300
150
–10
150
900
100
2.0
80
10
50
–2
θ
JA
0.612
0.618
Max
550
100
400
+50
2.5
0.3
1.5
1
θ
IN1
IN1
JC
+ 0.3V
+ 0.3V
Units
mV
µA
µA
µA
µA
kΩ
nA
°C
µs
%
%
V
V
V
V
(2)
(1)
IN1
2