ap3406amm-adjtrg1 BCD Semiconductor Manufacturing Limited, ap3406amm-adjtrg1 Datasheet

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ap3406amm-adjtrg1

Manufacturer Part Number
ap3406amm-adjtrg1
Description
1.1mhz, 800ma Synchronous Dc-dc Buck Converter
Manufacturer
BCD Semiconductor Manufacturing Limited
Datasheet

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Part Number
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Part Number:
AP3406AMM-ADJTRG1
Manufacturer:
BCD
Quantity:
20 000
Company:
Part Number:
AP3406AMM-ADJTRG1
Quantity:
21 000
General Description
The AP3406A is a 1.1MHz fixed frequency, current
mode, PWM synchronous buck (step-down) DC-DC
converter, capable of driving a 800mA load with high
efficiency, excellent line and load regulation. The
device integrates a main switch and a synchronous
switch without an external Schottky diode. It is ideal
for powering portable equipment that runs from a
single Li-ion battery.
A standard series of inductors are available from
several different manufacturers optimized for use
with the AP3406A. This feature greatly simplifies the
design of switch-mode power supplies.
This IC is available in TSOT-23-5 and MSOP-10
packages.
Mar. 2009 Rev. 1. 1
1.1MHz, 800mA SYNCHRONOUS DC-DC BUCK CONVERTER
TSOT-23-5
Figure 1. Package Types of AP3406A
1
Features
Applications
High Efficiency: up to 95%
Output Current: 800mA
Fixed 1.1MHz Frequency
Current Mode Control
Built-in Short Circuit Protection
Built-in Thermal Shutdown Function
Built-in Current Limit Function
Input Voltage Range: 2.5V to 5.5V
100% Duty Cycle in Dropout
Shutdown Current: <1µA
GPS
WiFi Card
Portable Media Player
Digital Still and Video Cameras
MSOP-10
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet
AP3406A

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ap3406amm-adjtrg1 Summary of contents

Page 1

... Built-in Thermal Shutdown Function • Built-in Current Limit Function • Shutdown Current: <1µA Applications • GPS • WiFi Card • Portable Media Player • Digital Still and Video Cameras MSOP-10 Figure 1. Package Types of AP3406A 1 Preliminary Datasheet AP3406A BCD Semiconductor Manufacturing Limited ...

Page 2

... Supply input pin. Bypass to GND with a 10µF or greater ceramic capacitor Feedback pin. Connect it with an external resistor divider network FB to program the system output voltage NC No connection Power ground pin 2 Preliminary Datasheet AP3406A MM Package MSOP-10 PGND Function BCD Semiconductor Manufacturing Limited ...

Page 3

... MSOP-10 BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant and green. Mar. 2009 Rev AP3406A - Part Number AP3406AKT-ADJTRG1 L2A AP3406AMM-ADJTRG1 3406AMM-G1 3 Preliminary Datasheet AP3406A G1: Green TR: Tape & Reel ADJ: Adjustable Voltage Marking ID Packing Type Tape & ...

Page 4

... -0 -0 TSOT-23-5 θ JA MSOP-10 T 125 J T -65 to 150 STG T 260 LEAD Symbol Min V 2 800 OUT (MAX) T -40 A BCD Semiconductor Manufacturing Limited 4 AP3406A Unit V +0.3 V +0.3 V +0.3 V 250 ºC/W 135 ºC ºC ºC Max Unit 5 ºC ...

Page 5

... OUT OTSD HYS 5 Preliminary Datasheet AP3406A Min Typ Max Unit µA 400 600 µA 0.01 1 2.27 200 mV -50 0 0.612/ 0.600 0.582 0.618 800 800 mA 800 0.95 1.25 0.8 1.1 1.4 MHz 0.6 1.5 µA -0.1 0.1 µA -0.1 0.1 0.44 0.29 100 % µs 220 160 ºC 30 ºC BCD Semiconductor Manufacturing Limited Ω Ω ...

Page 6

... C, unless otherwise noted. 0.7 0.6 0.5 0.4 V =3. =1.8V 0.3 OUT I =0A OUT 0.2 5.0 5.5 6.0 -60 -40 Figure 5. Supply Current vs. Temperature 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 V =3. =0.55V 0.2 FB 0.0 0.0 0 100 Figure 7. Output Voltage vs. Output Current 6 Preliminary Datasheet AP3406A V =3. =0.55V FB - 100 120 140 160 o Temperature ( C) V =3. =1.8V OUT 0.4 0.6 0.8 1.0 1.2 1.4 Output Current (A) BCD Semiconductor Manufacturing Limited ...

Page 7

... V SW 2V/div V OUT 20mV/div =0mA) OUT I IN 500mA/div V OUT 2V/div V EN 2V/div =0mA to 800mA) 7 Preliminary Datasheet AP3406A 400ns/div Figure 9. Heavy Load Operation ( V =3.6V, V =1.8V, I =800mA) IN OUT OUT 400µs/div Figure 11. Start up from Shutdown (V =3.6V, V =1.8V, R =2.5Ω) IN OUT LOAD BCD Semiconductor Manufacturing Limited ...

Page 8

... Mar. 2009 Rev Preliminary Datasheet V OUT 1V/div V SW 2V/div I L 1A/div Figure 13. Short Circuit Recovery (V IN 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 V =3. =1.8V 0.2 OUT L=10 µ H 0.1 0.0 1 Figure 15. Efficiency vs. Output Current BCD Semiconductor Manufacturing Limited 8 AP3406A 40µs/div =3.6V, V =1.8V, no load) OUT TSOT-23-5 MSOP-10 V =4. =3.3V OUT µ L=10 H 0.1 1 Output Current (A) ...

Page 9

... Figure 16. Normalized Feedback Voltage vs. Temperature Typical Application V IN VIN 2. 10µF Mar. 2009 Rev =3. =1.8V OUT 100 o C) 150k 300k AP3406A-ADJ GND Figure 17. Typical Application of AP3406A 9 Preliminary Datasheet AP3406A V L OUT 1.8V 10µH 800mA C OUT 10µF BCD Semiconductor Manufacturing Limited ...

Page 10

... SYNCHRONOUS DC-DC BUCK CONVERTER Mechanical Dimensions Mar. 2009 Rev Preliminary Datasheet TSOT-23-5 BCD Semiconductor Manufacturing Limited 10 AP3406A Unit: mm(inch) ...

Page 11

... SYNCHRONOUS DC-DC BUCK CONVERTER Mechanical Dimensions (Continued) Mar. 2009 Rev Preliminary Datasheet MSOP-10 BCD Semiconductor Manufacturing Limited 11 AP3406A Unit: mm(inch) ...

Page 12

... BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. ...

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