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Details for MAX8969EWL50+T by Maxim Integrated
DC/DC CONV BOOST 3MHZ 85DEG C
MAX8969EWL50+T image

MAX8969EWL50+T by Maxim Integrated

DC/DC CONV BOOST 3MHZ 85DEG C
Features
1u00b5A Shutdown Current
2.5V to 5.5V Input Voltage Range
3.3V to 5.7V Output Voltage Options
30u00b5A IQ in Track Mode
3MHz PWM Switching Frequency
45u00b5A IQ in Step-Up Mode
60u03bcA IQ in Automatic Track Mode
9-Bump 1.25mm x 1.25mm WLP Package
Flexible System Integration
High Efficiency and Low Quiescent Current Extends Battery Life
Integrated Protection Increases System Robustness
Over 90% Efficiency with Internal Synchronous Rectifier
Overtemperature Shutdown
Short-Circuit Protection
Skip Mode Under Light Load Condition Improves Efficiency
Small External Components
Small Package and High Frequency Operation Reduce Board Space
Soft-Start Limits Inrush Current to 480mA
True Shutdownu2122 Prevents Current Flow from OUT_ to LX_
Undervoltage Lockout (UVLO)
Up to 1A Output Current
Part Information
MAX8969EWL50+T image
RoHS Compliant
Description
The MAX8969 is a simple 1A step-up converter in a small package that operates in any single-cell Li-ion application. This IC provides protection features such as input undervolt- age lockout, short circuit, and overtemperature shutdown. The IC transitions to skip mode seamlessly under light- load conditions to improve efficiency. Under these condi- tions, switching occurs only as needed, reducing switching frequency and supply current to maintain high efficiency. For higher efficiency when input voltage is closer to the output voltage, two special modes of operation are avail- able: track and automatic track. These modes allow users to balance quiescent current (IQ) vs. transient response time into boost mode. In both modes, the p-channel MOSFET acts as a current-limited switch such that VOUT follows VIN. However, in track mode, the boost circuits are disabled and the system controls the boost func- tion with the EN, TREN inputs (IQ = 30µA). In automatic track mode (ATM), the boost circuits are enabled and the device automatically transitions into boost mode when VIN falls to 95% of the target VOUT (IQ = 60µA). The IC is available in a small, 1.25mm x 1.25mm, 9-bump WLP (0.4mm pitch) package.
Specifications
Topology:
Boost (Step Up)
Input Voltage Min:
2.5V
Input Voltage Max:
5.5V
DC / DC Converter IC Case:
WLP
No. of Pins:
9Pins
Output Current:
1A
Output Voltage Nom.:
5V
Switching Frequency:
3MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
DC/DC CONV, BOOST, 3MHZ, 85DEG C; Topology:Boost (Step Up); Input Voltage Min:2.5V; Input Voltage Max:5.5V; DC / DC Converter IC Case:WLP; No. of Pins:9Pins; Output Current:1A; Output Voltage Nom.:5V; Switching Frequency:3MHz; RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single-OUT Step Up 2.5V to 5.5V 9-Pin WLP T/R Avnet America
Conv DC-DC Single-OUT Step Up 2.5V to 5.5V 9-Pin WLP T/R Avnet Europe
Conv DC-DC Single-OUT Step Up 2.5V to 5.5V 9-Pin WLP T/R Avnet Asia