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MAX1897ETP+

Maxim Integrated
RoHS
RoHS RoHS compliant
Package 20-WQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description MAX1897 Buck Tube Quick-PWM? DC to DC switching controller 5mm 5.5V 200kHz 300kHz 550kHz -40C~85C TA
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Inventory: 4929
Minimum: 1
Total Price: USD $1.21
Unit Price: USD $1.211388
≥1 USD $1.211388
≥10 USD $1.142813
≥100 USD $1.078128
≥500 USD $1.017097
≥1000 USD $0.959529

Technical Details

Physical

Mounting Type Surface Mount
Package / Case 20-WQFN Exposed Pad
Surface Mount YES
Number of Pins 20

Compliance

RoHS Status ROHS3 Compliant
Lead Free Lead Free

Technical

Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2002
Series Quick-PWM?
JESD-609 Code e3
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Additional Feature ALSO REQUIRES A BATTERY VOLTAGE OF 4V TO 28V
Subcategory Switching Regulator or Controllers
Technology BICMOS
Terminal Position QUAD
Terminal Form NO LEAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.65mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number MAX1897
Function Step-Down
Number of Outputs 1
Qualification Status Not Qualified
Output Type Transistor Driver
Input Voltage-Nom 5V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
Control Features Current Limit, Enable, On Time Control
Input Voltage (Min) 4.5V
Topology Buck
Control Mode VOLTAGE-MODE
Frequency - Switching 200kHz 300kHz 550kHz
Input Voltage (Max) 5.5V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 550kHz

Dimensions

Height Seated (Max) 0.75mm
Length 5mm
Width 5mm

Alternative Model

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