MAX16904EVKIT# Maxim Integrated, MAX16904EVKIT# Datasheet
MAX16904EVKIT#
Specifications of MAX16904EVKIT#
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MAX16904EVKIT# Summary of contents
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Rev 5; 6/12 General Description The MAX16904 is a small, synchronous buck converter with integrated high-side and low-side switches. The device is designed to deliver 600mA with input voltages from +3.5V to +28V while using only 25µA quiescent current ...
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High-Voltage, 600mA Mini-Buck Converter 5V AT 600mA 10µF 3.3V AT 600mA 10µF * PLACE INPUT SUPPLY CAPACITORS AS CLOSE AS POSSIBLE TO THE SUP PIN. SEE THE APPLICATIONS INFORMATION SECTION FOR MORE DETAILS. 2 SUP * 4.7µF MAX16904_50/V+ BST ...
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ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND.) SUP, EN..................................................................-0.3V to +42V BST to LX..................................................................-0.3V to +6V LX..............................................................-0. BST .........................................................................-0.3V to +47V OUTS ......................................................................-0.3V to +12V SYNC, PGOOD, BIAS............................................-0.3V to +6.0V PGND to GND .......................................................-0.3V to +0.3V LX Continuous ...
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High-Voltage, 600mA Mini-Buck Converter ELECTRICAL CHARACTERISTICS (continued +14V -40°C to +125°C, unless otherwise noted. Typical values are at T SUP A J PARAMETER SYMBOL SKIP-Mode Peak Current I SKIP High-Side DMOS RDS R ...
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T = +25°C, unless otherwise noted.) SUP A EFFICIENCY vs. LOAD CURRENT 100 5V, SKIP MODE 3.3V, SKIP MODE 5V, FFF MODE 60 50 3.3V, FFF MODE 0.1 ...
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High-Voltage, 600mA Mini-Buck Converter (V = +14V +25°C, unless otherwise noted.) SUP A LOAD TRANSIENT RESPONSE (3.3V, FIXED MODE) 40µs/div LOAD TRANSIENT RESPONSE (5V, FIXED MODE) 40µs/div UNDERVOLTAGE PULSE (COLD CRANK) 10ms/div 6 Typical Operating Characteristics (continued) ...
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TOP VIEW + BST 1 SUP PGND 4 OUTS 5 PIN NAME TDFN-EP TSSOP- BST SUP PGND 5 8 OUTS 6 11 PGOOD 7 12 ...
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High-Voltage, 600mA Mini-Buck Converter EN HVLDO BIAS SOFT-START OUTS EAMP COMP V GOOD 8 SYNC REF BANDGAP OSC CLK CURRENT-SENSE AND SLOPE COMPENSATION LOGIC CONTROL PWM MAX16904 PGOOD GND Functional Diagram BST SUP HSD LX BIAS LSD PGND ...
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Detailed Description The MAX16904 is a small, current-mode buck converter that features synchronous rectification and requires no external compensation network. The device is designed for 600mA output current, and can stay in dropout by running at 97% duty cycle. It ...
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High-Voltage, 600mA Mini-Buck Converter If the input voltage is reduced and the device approaches dropout, it tries to turn on the high-side FET continuously. To maintain gate charge on the high- side FET, the BST capacitor must be periodically ...
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ESR of the input capacitor). The total voltage ripple is the sum of ∆V and ∆V . Assume the input-voltage Q ESR ripple from the ESR and the capacitor discharge is equal to 50% each. The following equations show the ...
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High-Voltage, 600mA Mini-Buck Converter 2) Solder the exposed pad to a large copper plane area under the device. To effectively use this copper area as heat exchanger between the PCB and ambi- ent, expose the copper area on the ...
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OUTPUT VOLTAGE PART MAX16904RATB50+ MAX16904RATB50/V+ MAX16904RAUE50/V+ MAX16904SATB50/V+ † MAX16904SATB51/V+ † MAX16904SATB52/V+ MAX16904SAUE50/V+ MAX16904RATB33/V+ MAX16904RAUE33/V+ MAX16904SATB33/V+ MAX16904SAUE33/V+ † MAX16904RAUE18/V+ † MAX16904SATB60/V+ † MAX16904SATB80/V+ Note: All devices operate over the -40°C to +125°C automotive temperature range. + Denotes a lead(Pb)-free/RoHS-compliant package. /V ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. 14 _______________Maxim Integrated Products, Inc. 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 © 2012 Maxim Integrated Products Revision History DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...