Datasheet MYTNA1R84RELA2RA (Murata) - 4

MYTNA1R84RELA2RA
Document Category: Datasheet

UltraBK™ 4A DC–DC Converter Module
Electrical Characteristics
VIN=12V, VOUT=1.8V, IOUT=4A, Ta=+25°C, unless otherwise noted. The Electrical Characteristics table is based on the test circuit in Figure 29.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS INPUT SUPPLY
Input Voltage
(1)
VIN 6 12 14.4 V Input Voltage Start-up VINSR Note
(2)
- 150 V/ms Slew rate
(3)
VIN Under Voltage Lockout VIUVH - - 5.45 V Threshold -

VIN rising
(3)
VIN Under Voltage Lockout VIUVL 4.5 - - V Threshold - VIN falling
(3)
VIN Under Voltage Lockout VIUVHYS - 215 - mV Hysteresis VIN Current Supply, Switching IVINSW No Load - 25 - mA VIN Current Supply, Shutdown IVINSD VOUT=0V, ON/OFF=0V - 130 - µA
Remote ON/OFF Control (ON/OFF Pin)
Logic ON by pull-up or open of Threshold High
(3)
VTREH 1.1 - - V ON/OFF Pin Logic OFF by pull-down of Threshold Low
(3)
VTREL - - 0.4 V ON/OFF Pin VIN=14.4V, ON/OFF=0V, ON/OFF Pin Leakage Current
(3)
ILEN - - 200 µA From Vin to ON/OFF
CONVERTER
VIN=12.0V, VOUT=1.8V, - 90 - % IOUT=4A Efficiency EFF VIN=12.0V, VOUT=1.2V, - 88 - % IOUT=4A Charge Pump Switching Per a phase - 500 - kHz Frequency Buck Converter Switching Per a phase - 1000 - kHz Frequency Startup Time VOUT=5 to 95% of VOUT - 4 - msec
POWER GOOD (POK Pin)
POK Sink Current
(3)
POK=0.4V 4 - - mA POK Pin Leakage Current
(3)
ILPG POK=5V, POK=High - - 1 µA VOUT falling (fault) - 90 - POK & Output Under-Voltage VOUT rising (good) - 95 - % of VOUT rising (fault) - 110 - VOUT POK & Output Over-Voltage VOUT falling (good) - 105 -
THERMAL SHUTDOWN
Thermal Shutdown Threshold TSD Shutdown operating - 150 - °C Thermal Shutdown Hysteresis TSDHYS - 20 - °C
OUTPUT
9.6 ≤ VIN ≤ 14.4V 0.7 - 1.8 V Output Voltage
(4)
VOUT 7.0 ≤ VIN ≤ 14.4V 0.7 - 1.35 V 6.0 ≤ VIN ≤ 14.4V 0.7 - 1.0 V 6.0 ≤ VIN ≤ 14.4V Output Voltage Accuracy
(1)(5)
0.7 ≤ VOUT ≤ 1.8V
(4)
-3 - +3 % 0 ≤ IOUT ≤ 4A Temperature variation
(3)
-40 ≤ Ta ≤ 105°C - 1 - % 0.7 ≤ VOUT ≤ 1.8V
(4)
Total Output Voltage Accuracy
(3)
0 ≤ IOUT ≤ 4A -3 - +3 % -40 ≤ Ta ≤ 105°C Output Current
(1)
IOUT 0 - 4 A Current Limit Inception - 11 - A Current Limit Method Hiccup
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Copyright ©2020 Murata Manufacturing Co., Ltd. All rights reserved. Export Control Code : X0863 Document No :D90DH – 00072 MYTNA1R84RELA2RA A01 Page 4 of 26 Document Outline Product Description Features Typical Applications Efficiency Simplified Application Circuit Absolute Maximum Ratings(1)(2) Recommended Operating Conditions(1) Package Thermal Characteristics(1)(2) Electrical Characteristics Pin Configuration Pin Descriptions Functional Block Diagram Typical Performance Characteristics Thermal Deratings (Reference Data) Output Voltage Range Limitation of Input Voltage Slew rate Detailed Description Output Voltage Adjustment Resistor Trim Equation Output Voltage Remote Sense Function Remote Enable Function Soft start Function Power Good Operation Protections Over Current Protection and Short Circuit Protection Over Temperature Protection Soldering Guidelines Pb-free Solder Processes Dry Pack Information Application Performance Transient Performance Test Circuit Component Selection Input Fuse Input Capacitor Output Capacitor Packaging Information Moisture Sensitivity Level Package Drawing Recommended Board Land Pattern (Top View) Top Marking Specification Application Circuit Application Circuit Part List (Recommended) Application Board Example Tape and Reel Specification Order Codes Notices CAUTION Limitation of Applications Note Product Specification Sales contact Disclaimers Patent Statement Copyright and Trademark