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PT1206 Datasheet Preview

PT1206 Datasheet

1A Synchronous Step Down Regulator

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PT1206
High Efficiency 1.5MHz, 1A
Synchronous Step Down Regulator
GENERAL DESCRIPTION
The PT1206 is a high efficiency 1.5MHz
synchronous step-down DC-DC regulator IC capable
of delivering up to 1A current. The PT1206 operates
over a wide input voltage range from 2.5V to 6V; the
main switch and the synchronous switch have been
integrated with very low RDS(ON) to minimize the
conduction loss.
Low output voltage ripples with small external
inductor and capacitor size are achieved with
1.5MHz switching frequency.
FEATURES
Low RDS(ON) for internal switches (top/bottom)
250mΩ/200mΩ
2.5V~6.0V input voltage range
1.5MHz switching frequency minimizes the
external components
Internal soft-start limits the inrush current
100% duty-cycle operation
RoHS compliant
APPLICATIONS
Portable Navigation Device
Smart phone
USB Dongle
Set Top Box
Media Player
ORDERING INFORMATION
PACKAGE
SOT23-5
TEMPERATURE
RANGE
-40°C to 85°C
ORDERING PART
NUMBER
PT1206E23F
TRANSPORT
MEDIA
Tape and Reel
3000 units
MARKING
1206
TYPICAL APPLICATION CIRCUIT
ON/OFF
VIN
CIN
EN
IN LX
PT1206
FB
GND
L
R1
R2
VOUT
C1(opt.)
COUT
China Resources Powtech (Shanghai) Limited
PT1206_DS Rev EN_1.1
WWW.CRPOWTECH.COM
Page 1




Powtech

PT1206 Datasheet Preview

PT1206 Datasheet

1A Synchronous Step Down Regulator

No Preview Available !

PT1206
High Efficiency 1.5MHz, 1A
Synchronous Step Down Regulator
PIN ASSIGNMENT
EN 1
GND 2
1206
5 FB
LX 3
4 IN
PIN DESCRIPTIONS
SOT23-5
PIN SYMBOL DESCRIPTION
1 EN Enable control. Pull high to turn on. Do not float.
2
GND
Ground pin
3 LX Inductor pin. Connect this pin to the switching node of
inductor.
4 IN Input pin. Decouple this pin to GND pin with at least 1µF
ceramic cap.
5 FB Output Feedback Pin. Connect this pin to the center
point of the output resistor divider to program the output
voltage: VOUT=0.6*(1+R1/R2).
China Resources Powtech (Shanghai) Limited
PT1206_DS Rev EN_1.1
WWW.CRPOWTECH.COM
Page 2


Part Number PT1206
Description 1A Synchronous Step Down Regulator
Maker Powtech
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PT1206 Datasheet PDF






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