at1730 Aimtron Technology, at1730 Datasheet

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at1730

Manufacturer Part Number
at1730
Description
2-channel Pwm Controller For Lcd Bias
Manufacturer
Aimtron Technology
Datasheet

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at1730P
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Part Number:
at1730P
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AIMTRON
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20 000
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Part Number:
at1730P
Quantity:
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Block Diagram
Features
• Low input voltage: 2.4V to 6V
• 2-Channels PWM Control:
• Adjustable Soft start time and maximum duty
• Built-in timer latch for short circuit protection:
• Built-in under-voltage lockout
• High operating frequency: 100kHz to 1.0MHz
• Low operating current: 2mA (typ.)
Applications
• LCD Displays Bias
• Power Supply for general equipment
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
Nch-MOSFET driving(CH1)
Nch/Pch-MOSFET driving(CH2)
cycle
Aimtron reserves the right without notice to change this circuitry and specifications.
2-Channel PWM Controller for LCD Bias
WWW:
Email:
1
General Description
The AT1730 is a PWM DC/DC converter control
IC with 2 channel outputs that can directly drive
power MOSFET. This IC ia suitable for very small
DC/DC converters because of their small and thin
package(1.1 mm max.), and high operation
frequency (up to 1.0MHz).
http://www.aimtron.com.tw
service@aimtron.com.tw
Preliminary Product Information
AT1730

Related parts for at1730

at1730 Summary of contents

Page 1

... Fax: 886-3-563-0879 Preliminary Product Information 2-Channel PWM Controller for LCD Bias General Description The AT1730 is a PWM DC/DC converter control IC with 2 channel outputs that can directly drive power MOSFET. This IC ia suitable for very small DC/DC converters because of their small and thin package(1 ...

Page 2

... MOSFET 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 Preliminary Product Information 2-Channel PWM Controller for LCD Bias Marking AT1730P AT1730P, Date Code with one bottom line Symbol Pin No. OUT1 9 CH1 output for Nch- MOSFET 10 Soft-star for CH1 ...

Page 3

... Condition Min. — — — — — TSSOP16(T a =+25℃) — — — -40 — Symbol Min 100 OSC T -10 OP WWW: http://www.aimtron.com.tw Email: service@aimtron.com.tw 3 AT1730 Rated Value Unit Max - 6 500 mW 0 -30 + +125 ...

Page 4

... COM =100pF fosc T C =100pF T C =100pF T Vcc=2. =-10℃ to +85℃ I =no load REG V REF Vcc=2.5V to 5.5V V REF-line =0~1mA REG V REF-load WWW: http://www.aimtron.com.tw Email: service@aimtron.com.tw 4 AT1730 Values Unit Min. Typ. Max. 2.4 - 5.5 V 2.00 2.20 2.35 V 0.98 1. μA - 1.0 2 ...

Page 5

... V =V -0. REG CP C =1000pF between t O r1_2 OUT1,2-GND C =1000pF between t O f1_2 OUT1,2-GND I =-50mA R OUT1_2 1_2AH I =50mA R OUT1_2 1_2AL V ONH V ONL WWW: http://www.aimtron.com.tw Email: service@aimtron.com.tw 5 AT1730 - - 1.5 % 0.38 0.39 0.40 V 0.96 1. 0.75 1.25 1.75 μ Ω 11 Ω ...

Page 6

... Typical Application Circuit 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 Preliminary Product Information 2-Channel PWM Controller for LCD Bias WWW: http://www.aimtron.com.tw Email: service@aimtron.com.tw 6 AT1730 ...

Page 7

... WWW: http://www.aimtron.com.tw Email: service@aimtron.com.tw 7 AT1730 INCHES TYP MAX 0.043 0.047 0.004 0.006 0.039 0.041 0.010 0.011 0.005 - 0.1998 0.200 0.252 0.260 0.173 0.177 0.024 0.028 0.026 - - 0.003 8° ...

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