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Part Number: MAX5061
Description: The MAX5060/MAX5061 pulse-width modulation (PWM) DC-DC controllers provide high-output-current capabil...
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MAX5061
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DataSheet
General Description
MAX5061 General Description
The MAX5060/MAX5061 pulse-width modulation (PWM) DC-DC controllers provide high-output-current capability in a compact package with a minimum number of external components. These devices utilize an average-current- mode control that enables optimal use of low RDS(ON) MOSFETs, eliminating the need for external heatsinks even when delivering high output currents.
Differential sensing (MAX5060) enables accurate control of the output voltage, while adaptive voltage positioning provides optimum transient response. An internal regulator enables operation with 4.75V to 5.5V or 7V to 28V input voltage ranges. The high switching frequency, up to 1.5MHz, allows the use of low-output inductor values and input capacitor values. This accommodates the use of PC-board-embedded planar magnetics.
The MAX5060 features a clock output with 180° phase delay to control a second out-of-phase converter for lower capacitor ripple currents. The MAX5060 also limits the reverse current if the bus voltage becomes higher than the regulated output voltage. The MAX5060 is specifically designed to limit current sinking when multiple power-supply modules are paralleled. The MAX5060/MAX5061 offer an adjustable 0.6V to 5.5V output voltage. The MAX5060 offers an overvoltage protection, power-good signal, and an output enable function.
The MAX5060/MAX5061 operate over the automotive temperature range (-40°C to +125°C). The MAX5060 is available in a 28-pin thin QFN package while the MAX5061 is available in a 16-pin TSSOP package.
MAX5061 Maximum Ratings
IN to SGND.............................................................-0.3V to +30V
BST to SGND..........................................................-0.3V to +35V
DH to LX .....................................-0.3V to [(VBST - VLX_) + 0.3V]
DL to PGND (MAX5060)...............................-0.3V to (VDD + 0.3V)
DL to PGND (MAX5061)...............................-0.3V to (VCC + 0.3V)
BST to LX..................................................................-0.3V to +6V
VCC to SGND............................................................-0.3V to +6V
VCC, VDD to PGND ...................................................-0.3V to +6V
SGND to PGND ......................................................-0.3V to +0.3V
Current Sink in PGOOD .........................................................6mA
All Other Pins to SGND...............................-0.3V to (VCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
16-Pin TSSOP (derate 21.3mW/°C above +70°C)* ...1702mW
28-Pin TQFN (derate 34.5mW/°C above +70°C)*......2758mW
Operating Temperature Range
MAX5060A_ _ and MAX5061A_ _ .................-40°C to +125°C
MAX5060E_ _ and MAX5061E_ _....................-40°C to +85°C
Maximum Junction Temperature ..................................+150°C
Storage Temperature Range .......................-60°C to +150°C
Lead Temperature (soldering, 10s) .............................+300°C
*Per JEDEC 51 standard.
BST to SGND..........................................................-0.3V to +35V
DH to LX .....................................-0.3V to [(VBST - VLX_) + 0.3V]
DL to PGND (MAX5060)...............................-0.3V to (VDD + 0.3V)
DL to PGND (MAX5061)...............................-0.3V to (VCC + 0.3V)
BST to LX..................................................................-0.3V to +6V
VCC to SGND............................................................-0.3V to +6V
VCC, VDD to PGND ...................................................-0.3V to +6V
SGND to PGND ......................................................-0.3V to +0.3V
Current Sink in PGOOD .........................................................6mA
All Other Pins to SGND...............................-0.3V to (VCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
16-Pin TSSOP (derate 21.3mW/°C above +70°C)* ...1702mW
28-Pin TQFN (derate 34.5mW/°C above +70°C)*......2758mW
Operating Temperature Range
MAX5060A_ _ and MAX5061A_ _ .................-40°C to +125°C
MAX5060E_ _ and MAX5061E_ _....................-40°C to +85°C
Maximum Junction Temperature ..................................+150°C
Storage Temperature Range .......................-60°C to +150°C
Lead Temperature (soldering, 10s) .............................+300°C
*Per JEDEC 51 standard.
MAX5061 Features
· 4.75V to 5.5V or 7V to 28V Input Voltage Range
· Adjustable Output Voltage from 0.6V to 5.5V
· Up to 30A Output Current
· Can Parallel Outputs For Higher Output Current
· Programmable Adaptive Output Voltage
Positioning
· True-Differential Remote Output Sensing
(MAX5060)
· Average-Current-Mode Control
• Superior Current Sharing Between Paralleled
Modules
• Accurate Current Limit Eliminates MOSFET
and Inductor Derating
· Limits Reverse Current Sinking in Paralleled
Modules (MAX5060)
· Programmable Switching Frequency from 125kHz
to 1.5MHz
· Integrated 4A Gate Drivers
· Clock Output for 180° Out-of-Phase Operation
(MAX5060)
· Voltage Signal Proportional to Output Current for
Load Monitoring (MAX5060)
· Output Overvoltage Crowbar Protection
(MAX5060)
· Programmable Hiccup Current-Limit Threshold
and Response Time
· Overtemperature Thermal Shutdown
· Adjustable Output Voltage from 0.6V to 5.5V
· Up to 30A Output Current
· Can Parallel Outputs For Higher Output Current
· Programmable Adaptive Output Voltage
Positioning
· True-Differential Remote Output Sensing
(MAX5060)
· Average-Current-Mode Control
• Superior Current Sharing Between Paralleled
Modules
• Accurate Current Limit Eliminates MOSFET
and Inductor Derating
· Limits Reverse Current Sinking in Paralleled
Modules (MAX5060)
· Programmable Switching Frequency from 125kHz
to 1.5MHz
· Integrated 4A Gate Drivers
· Clock Output for 180° Out-of-Phase Operation
(MAX5060)
· Voltage Signal Proportional to Output Current for
Load Monitoring (MAX5060)
· Output Overvoltage Crowbar Protection
(MAX5060)
· Programmable Hiccup Current-Limit Threshold
and Response Time
· Overtemperature Thermal Shutdown
MAX5061
PDF/DataSheet Download
- Datasheet: MAX5061
- File Size: 598016 KB
- Manufacturer: MAXIM
- Click here to Download
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MAX5060
The MAX5060/MAX5061 pulse-width modulation (PWM) DC-DC controllers provide high-output-current capability in a compact package with a minimum number of external components. These devices utilize an average-current- mode control that enables optimal use of lo...
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