Preliminary
Datasheet
LP6201
Low Noise PFM DC/DC Regulator
General Description
The LP6201 Series are PFM Step-up DC/DC ICs with ultra
low supply current by CMOS process and suitable for use
with battery-powered instruments. The LP6201 IC consists
of an oscillator, a PFM control circuit, a driver transistor
(LX switch), a reference voltage unit, an error amplifier,
resistors for voltage detection, and a LX switch protection
circuit. A low ripple and high efficiency step-up DC/DC
converter can be constructed of this LP6201 IC with only
three external components.
Features
Up to 85% efficiency
Low voltage start-up:0.9V
Shut-down current:<1uA
Output voltage:2.5-6.0V with 0.1V step
High switch on current:800mA
260KHz frequency switching
Available in SOT23,SOT23-5,SOT-89 Package
Ordering Information
LP6201 -
□ □
□ □
□
Applications
AlK. Battery products
Pin Configurations
F: Pb-Free
Package Type
B3: SOT23
B5: SOT23-5
X3: SOT-89
Output Voltage
30:3.0V
33:3.3V
36:3.6V
40: 4.0V
45:4.5V
50:5.0V
Marking Information
Please see website.
Typical Application Circuit
Vin
33uH
47uF
5
+
SS14
2
1
+
GND
4
Cout
100uF
Vout
SW
VOUT
EN
LP6201
3
NC
LP6201 –04 Ver. 1.4 Datasheet
Dec.-2008
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