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PT1301 Datasheet

High Efficiency Low Voltage Step-up DC/DC Converter

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PT1301
High Efficiency
Low Voltage Step-up DC/DC Converter
GENERATION DESCRIPTION
The PT1301 is a compact, high efficiency, and low
voltage step-up DC/DC converter with an Adaptive
Current Mode PWM control loop. It comprises of an
error amplifier, a ramp generator, a PWM comparator, a
switch pass element and the driver. It provides stable
and high efficient operation over a wide range of load
currents without external compensation. The below 1V
start-up input voltage makes PT1301 suitable for single
battery cell applications. The built-in power transistor is
able to provide up to 300mA output current while
working under Li-Battery Supply. Besides, it provides
extra pin to drive external power devices (NMOS or
NPN ) in case higher output current is needed. The
output voltage is set with two external resistors. The
500KHz high switching rate reduces the size of external
components. Besides, the 14μA low quiescent current
together with high efficiency maintains long battery
lifetime.
OREERING INFORMATION
FEATURES
z Low Quiescent (Switch-off) Supply Current: 14μA
z Low Start-up Input Voltage: typical 0.8V
z High Supply Capability: Deliver 3.3V 100mA with
1Alkaline Cell; 5V 300mA with 1 Li-Cell
z Zero Shutdown Mode Supply Current
z High efficiency: 90%
z Fixed switching frequency: 500KHz
z Options for internal or external power switches
z Package type: SOT-23-6, SOT-89-5,MSOP8
APPLICATIONS
z MP3, PDA, Electronic
z Dictionary, DSC, LCD, RF-Tag,
z Portable Devices, Wireless Devices, etc.
PACKAGE
SOT-23-6
TEMPERATURE
RANGE
-40 oC 85 oC
ORDERING PART
NUMBER
PT1301D23F
SOT-89-5
-40 oC 85 oC
PT1301E89E
MSOP-8
-40 oC 85 oC
PT1301EMSH
Note:
xxxxxX
Assembly Factory Code
Lot Number
TRANSPORT
MEDIA
Tape and Reel
3000units
Tape and Reel
1000 units
Tape and Reel
3000units
MARKING
1301
PT1301
xxxxxX
PT1301
xxxxxX
China Resources Powtech (Shanghai) Limited
PT1301_DS Rev EN_3.5
WWW.CRPOWTECH.COM
Page 1




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PT1301 Datasheet Preview

PT1301 Datasheet

High Efficiency Low Voltage Step-up DC/DC Converter

No Preview Available !

PT1301
High Efficiency
Low Voltage Step-up DC/DC Converter
TYPICAL APPLICATION CIRCUITS
(1) Typical Application
1 Alkaline Cell to 3.3V, 100mA Output Current, typically for MP3 Application.
(2) Extending Output Current
1 Alkaline Cell to 3.3V, 250mA Output Current
China Resources Powtech (Shanghai) Limited
PT1301_DS Rev EN_3.5
WWW.CRPOWTECH.COM
Page 2


Part Number PT1301
Description High Efficiency Low Voltage Step-up DC/DC Converter
Maker PowTech
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