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Part Number: AT1741
Description: The AT1741 is 2-channel PWM switching regulator controllers that contains an on-chip 2.5V reference, two error amplifie...
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AT1741
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DataSheet
General Description
AT1741 General Description
The AT1741 is 2-channel PWM switching regulator controllers that contains an on-chip 2.5V reference, two error amplifier, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry and 2 commonemitter output. It is idea for step-up, step-down, and inverting converter.
AT1741 Maximum Ratings
|
Parameter |
Symbol |
Limits |
Unit |
| Power supply voltage |
Vcc |
28 |
V |
| Power dissipation |
Pd |
500*1 |
mW |
| Operating temperture |
Topr |
-30~+85 |
|
| Storage temperture |
Tstg |
-55~+125 |
|
| Output current |
Io |
120*2 |
mA |
| Output voltage |
Vo |
30 |
V |
AT1741 Features
• High-accuracy reference voltage circuit (±2%).
• Built-in short-circuit protection circuit.
• Built-in Undervoltage Lockout protection.
• Internal 2.5V Reference supply.
• Variable Dead time provides control over total Range.
• Built-in short-circuit protection circuit.
• Built-in Undervoltage Lockout protection.
• Internal 2.5V Reference supply.
• Variable Dead time provides control over total Range.
AT1741 Typical Application
• LCD CCFL Backlight
• Portable equipment
• Portable equipment
AT1741 Connection Diagram
AT1741
PDF/DataSheet Download
- Datasheet: AT1741
- File Size: 424060 KB
- Manufacturer: ETC [ETC]
- Click here to Download
- ·AT1
- Analog IC
- 55024 KB
- ·AT1/AN-1B
- PROXIMITY SWITCH M30 NPN
- 37084 KB
- ·AT1/AN-1H
- PROXIMITY SWITCH M30 NPN
- 37084 KB
- ·AT1/AN-2A
- PROXIMITY SWITCH M30 NPN
- 37084 KB
- ·AT1/AO-2H
- PROXIMITY SWITCH M30 DC
- 37084 KB
- ·AT1/AP-1B
- PROXIMITY SWITCH M30 PNP
- 37084 KB
- ·AT1/AP-2A
- PROXIMITY SWITCH M30 PNP
- 37084 KB
- ·AT10-0009
- MACOM [Tyco Electronics]
- Voltage Variable Absorptive Attenuator, 800 - 1000 MHz
- 241815 KB
AT1741 Relative Products
AT-1740-TT-R
BUZZER PIEZO 5V 17MM PC MOUNT
AT-1740-TT-3-R
BUZZER PIEZO 3V 4.0KHZ PCB
AT-1740-T-LW65-R
BUZZER PIEZO 9V 4.0KHZ W/WIRES
AT-1740-T-LW100-R
BUZZER PIEZO 3V 4.0KHZ W/WIRES
AT1729
The AT1729 is a PWM DC/DC converter control IC with 3 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 ope-ration frequency (up to 1.0 MHz).
AT-1720-TT-R
BUZZER PIEZO 3V 2.0KHZ PCB
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