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| IC型号 | 厂商 | PDF资料下载 | 供应商 | 说明 |
| ADP3186 | ADI | | 查找供应商 |
- Selectable 2-, 3- or 4-Phase Operation at up to 1 MHz per Phase
- ±1% Worst-Case Differential Sensing Error over Temperature
- Logic-Level PWM Outputs for Interface to External High-Power Drivers
- Active Current Balancing between All Output Phases
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- Built-in Power Good/Crowbar
Blanking Supports On-the-Fly VID
Code Changes
- 5-Bit Digitally Programmable 0.8 V
to 1.55 V Output
- Programmable Short Circuit
Protection with Programmable Latch-off Delay | |
| ADP3180 | ADI | | 查找供应商 |
- Selectable 2-, 3-, or 4-Phase Operation
at up to 1 MHz per Phase
- ±14.5 mV Worst-Case Differential Sensing Error over Temperature
- Logic-Level PWM Outputs for Interface to External High Power Drivers
- Active Current Balancing between All Output Phases
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- Built-In Power Good/Crowbar
Blanking Supports On-the-Fly
VID Code Changes
- 6-Bit Digitally Programmable
0.8375 V to 1.6 V Output
- Programmable Short Circuit
Protection with Programmable
Latch-Off Delay | |
| ADP3171 | ADI | | 查找供应商 |
- Fixed 1.2 V N-Channel Synchronous Buck Driver
- Two On-Board Linear Regulator Controllers
- Total Accuracy ±1%over Temperature
- High Efficiency Current-Mode Operation
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- Short Circuit Protection
- Power Good Output
- Overvoltage Protection Crowbar Protects Switching Output with No Additional External Components
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| ADP3026 | ADI | | 查找供应商 | Wide Input Voltage Range: 6.5 V to 25 V
High Conversion Efficiency > 96%
Integrated Current Sense-No External Resistor Required
Low Shutdown Current: 14 µA (Typical)
Voltage Mode PWM with Input Feed Forward for Fast Line Transient Response
Dual Synchronous Buck Controllers with PWM/Power-Saving Mode Operation
Built-In Gate Drive Boost Circuit for Driving External N-Channel MOSFETs
Two Fixed Output Voltages: 3.3 V, 5 V
PWM Frequency: 300 kHz PWM Frequency: 300 kHz
Extensive Circuit Protection Functions
28-Lead TSSOP Package |
| ADP3025 | ADI |  下载 | 查找供应商 |
- High conversion efficiency > 96%
- Wide input voltage range: 5.5 V to 25 V
- Integrated current sense—no external resistor required
- Low shutdown current: 19 µA (typical)
- Voltage mode PWM with input feed-forward for fast line transient response
- Built-in gate drive boost circuit for driving external high-side N-channel MOSFET
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- 2 independently programmable
output voltages:
Fixed 3.3 V or adjustable
(800 mV to 6.0 V)
Fixed 5 V or adjustable
(800 mV to 6.0 V)
- Dual synchronous buck controllers
- Programmable PWM frequency
- Integrated linear regulator controller
- Extensive circuit protection functions
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| ADP1864 | ADI | | 查找供应商 |
- Wide input voltage range: 3.15 V to 14 V
- Wide output voltage range: 0.8 V to input voltage
- Pin-to-pin compatible with LTC1772, LTC3801
- Up to 94% efficiency
- 0.8 V ± 1.25% reference accuracy over temperature
- Internal soft start
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- 100% duty cycle for low dropout voltage
- Current-mode operation for good line and load transient response
- 7 μA shutdown current
- 235 μA quiescent supply current
- Short-circuit and overvoltage protection
- Small 6-lead TSOT package
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| ADP1823 | ADI | | 查找供应商 |
- Fixed-frequency operation: 300 kHz, 600 kHz, or synchronized operation up to 1 MHz
- Supply input range: 2.9 V to 20 V
- Interleaved operation results in smaller, low cost input capacitor
- All-N-channel MOSFET design for low cost
- ±0.85% accuracy at 0°C to 70°C
- Soft start, thermal overload, current-limit protection
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- 10 μA shutdown supply current
- Internal linear regulator
- Lossless RDSON current-limit sensing
- Reverse current protection during soft start for handling precharged outputs
- Independent Power OK outputs
- Voltage tracking for sequencing or DDR termination
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| ADP1822 | ADI | | 查找供应商 |
- Wide input voltage range: 1 V to 24 V
- Wide output voltage range: 0.6 V to 85% of input voltage
- 1% accuracy, 0.6 V reference voltage
- Output voltage margining control
- Output voltage tracking
- All N-channel MOSFET
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- 300 kHz, 600 kHz, or up to 1.2 MHz synchronized frequency
- No current sense resistor required
- Power-good output
- Programmable soft start with reverse current protection
- Current-limit protection
- Thermal overload protection
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| ADP1821 | ADI | | 查找供应商 |
- Wide power-input voltage range: 1 V to 24 V
- Chip supply voltage range: 3 V to 5.5 V
- Wide output voltage range: 0.6 V to 85% of input voltage
- 1% accuracy, 0.6 V reference voltage
- All N-channel MOSFET design for low cost
- Fixed-frequency operation 300 kHz, 600 kHz, or synchronized operation up to 1.2 MHz
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- No current sense resistor required
- Power-good output Programmable soft start with reverse current protection
- Soft start, thermal overload, current-limit protection
- Undervoltage lockout
- 10 μA shutdown supply current
- Small, 16-lead QSOP
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| ADP1621 | ADI | 下载 | 查找供应商 |
- 92% efficiency (no sense resistor required)
- ±1.0% initial accuracy
- IC supply voltage range: 2.9 V to 5.5 V
- Power-input voltage as low as 1.0 V
- Capable of high supply input voltage (>5.5 V) with an external NPN or a resistor
- VIN UVLO and 35 mA shunt regulator
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- External slope compensation with 1 resistor
- Programmable operating frequency (100 kHz to 1.5 MHz) with 1 resistor
- Lossless current sensing for switch-node voltage <30 V
- Resistor current sensing for switch-node voltage >30 V
- Synchronizable to external clock
- Current-mode operation for excellent line and load transient responses
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