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Maxim > Solutions > Computers: Motherboards

LDOs and Other Controllers

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF 1MHz, 2A, 2.6V to 5.5V Input, PWM DC-DC Step-Down Regulator with Enable
MAX1951A

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A, PWM Step-Down DC-DC Regulator Requires Only 10µF Ceramic Capacitor
QV  PDF High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers
MAX8744A, MAX8745A

QV  PDF 40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO
MAX15006, MAX15007

Low 9µA Quiescent-Current Linear Regulators Ideal for Always-On Automotive Applications
QV  PDF High-Current, Low-Voltage Linear Regulator with Power-Limited, External MOSFET
MAX8704

QV  PDF Evaluation Kit for the MAX1954A
MAX1954AEVKIT

QV  PDF ±1%, Ultra-Low Output Voltage, Dual and Triple Linear n-FET Controllers
MAX8563, MAX8564, MAX8564A

QV  PDF Wide-Input, High-Frequency, Triple-Output Supplies with Voltage Monitor and Power-On Reset
MAX8513, MAX8514

Complete Triple-Output xDSL Power Supplies for Modems, Routers, and Gateways Save Cost and Reduce Noise
QV  PDF Low-Cost, Current-Mode PWM Buck Controller with Foldback Current Limit
MAX1954A

QV  PDF Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN
MAX8559

QV  PDF Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit
MAX8545, MAX8546, MAX8548

2.7V to 28V Input, 15A, Step-Down, DC-DC Controllers for Desktop and Graphic Card Supplies have Foldback Current Protection
QV  PDF 1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators
MAX1951, MAX1952

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-DC Regulators Require Only 10µF Ceramic Capacitor
QV  PDF Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers
MAX1953, MAX1954, MAX1957

QV  PDF Tracking, Sinking and Sourcing, Synchronous Buck Controller for DDR Memory and Termination Supplies
MAX1917

Reduce Capacitors and Cost of DDR Supplies
QV  PDF Low-Cost Voltage-Mode PWM Step-Down Controllers
MAX1966, MAX1967




Key Specifications:  Linear Regulators
Part Number Regulators VIN
(V)
VIN
(V)
Preset VOUT
(V)
Adj. VOUT
(V)
Adj. VOUT
(V)
VDROPOUT @Rated ILOAD
(V)
Rated ILOAD
(mA)
ICC
(µA)
Low Batt./ Pwr. Fail Out POK/Reset Thresh.
(V)
Watchdog Reverse Batt. Protect. Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max typ max nom max w/pins
MAX15007  1 4 40
3.3
5
- - 0.3 50 18 No - No No -40 to +125
SOIC(N)-EP/8
TDFN-EP/6
9.6
MAX15006  1 4 40
3.3
5
- - 0.3 50 17 - -40 to +125
SOIC(N)-EP/8
TDFN-EP/6
9.6
MAX8563  3 4.5 13.2 - 0.5 5 0.056 3000 1600 Vout-12% -40 to +85
QSOP/16
30.9
MAX8564  2 4.5 13.2 - 0.5 5 0.056 3000 1200 Vout-12% -40 to +85
µMAX/10
15.4
MAX8559  2 2.5 6.5 1.5 to 3.3 - - 0.2 300 290 - -40 to +85
TDFN-EP/8
UCSP/8
2.2
See All Linear Regulators (152)

Key Specifications:  Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Preset VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX1951A NEW! 2.6 5.5 0.8 5 - 2 2 Resistor 1 1000
SOIC(N)/8
31
MAX8744A  6 26 2 5.5
3.3
5
6 6
Preset
Resistor
2 500
TQFN/32
26
MAX8745A  6 26 2 5.5
3.3
5
6 6
Preset
Resistor
2 500
See Data Sheet/
-
MAX8513  4.5 28 0.8 27 - 4 4 Resistor 1 1400
QSOP/28
61.9
MAX8514  4.5 28 0.8 27 - 4 4 Resistor 1 1400
QSOP/28
61.9
MAX1951  2.6 5.5 0.8 5 - 2 2 Resistor 1 1000
SOIC(N)/8
31
MAX1952  2.6 5.5 1.8 1.8 1.8 2 2 Resistor 1 1000
SOIC(N)/8
31
MAX8545  2.7 28 0.8 23 - 15 15 Resistor 1 300
µMAX/10
15.4
MAX8546  2.7 28 0.8 23 - 15 15 Resistor 1 300
µMAX/10
15.4
MAX8548  2.7 28 0.8 23 - 15 15 Resistor 1 100
µMAX/10
15.4
MAX1953  3 5.5 0.8 4.5 - 4 4 Resistor 1 1000
µMAX/10
15.4
MAX1954  3 13.2 0.8 4.5 - 25 25 Resistor 1 300
µMAX/10
15.4
MAX1957  3 5.5 0.4 4.5 - 3 3 Resistor 1 300
µMAX/10
15.4
MAX1917  4.5 22 0.4 5 - 25 25
Dyn. REF In
Resistor
1 550
QSOP/16
30.9
MAX1966  2.7 5.5 0.8 4.5 - 5 5 Resistor 1 100
SOIC(N)/8
30.9
MAX1967  2.7 28 0.8 4.5 - 5 5 Resistor 1 100
µMAX/10
15.4
See All Step-Down Switching Regulators (264)



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