MIC33050-CYHL TR Micrel Inc, MIC33050-CYHL TR Datasheet
MIC33050-CYHL TR
Specifications of MIC33050-CYHL TR
Related parts for MIC33050-CYHL TR
MIC33050-CYHL TR Summary of contents
Page 1
... The MIC33050 is available in an 12-pin 3mm x 3mm MLF with a junction operating range of –40°C to +125°C. Data sheets and support documentation can be found on Micrel’s web site at: www.micrel.com. ...
Page 2
... Feed forward capacitor connected to out sense pin. Analog ground. Connect to power ground. 2 Package Lead Finish ® 12-Pin 3mm x 3mm MLF Pb-Free ® 12-Pin 3mm x 3mm MLF Pb-Free ® 12-Pin 3mm x 3mm MLF Pb-Free ® 12-Pin 3mm x 3mm MLF Pb-Free ® (HL) (internal resistor OUT MIC33050 M9999-070909-C ...
Page 3
... LOAD SNS ≤ V NOM I = 100mA PMOS -100mA NMOS 120mA LOAD V = 90% OUT (turn-on) 3 MIC33050 (2) )......................................... 2.7V to 5.5V IN )…………………………-0. ..................–40°C ≤ T ≤ +125° ® -12 (θ )................................60°C/W JA Min Typ Max 2.7 5 ...
Page 4
... INPUT VOLTAGE (V) Output Voltage vs. Input Voltage 1.90 1.85 1.80 1.75 Load = 20mA 1.70 2.7 3.2 3.7 4.2 4.7 5.2 INPUT VOLTAGE (V) INPUT VOLTAGE (V) 4 MIC33050 Efficiency V = 1.2V OUT 100 100 1000 OUTPUT CURRENT (mA) Quiescent Current vs ...
Page 5
... Micrel, Inc. Functional Characteristics July 2009 5 MIC33050 M9999-070909-C ...
Page 6
... Micrel, Inc. Functional Characteristics (continued) July 2009 6 MIC33050 M9999-070909-C ...
Page 7
... Micrel, Inc. Functional Diagram July 2009 MIC33050 Simplified Block Diagram 7 MIC33050 M9999-070909-C ...
Page 8
... July 2009 CFF The CFF pin is connected to the SNS pin of MIC33050 with a feed-forward capacitor of 560pF. The CFF pin itself is compared with the internal reference voltage (V the device and provides the control path to control the output ...
Page 9
... This reduces their ability to filter out high frequency noise. Output Capacitor The MIC33050 was designed for use with a 2.2µF or greater ceramic output capacitor. A low equivalent series resistance (ESR) ceramic output capacitor either X7R or X5R is recommended. Y5V and Z5U dielectric capacitors, ...
Page 10
... Micrel, Inc. HyperLight Load™ Mode The MIC33050 uses a minimum on and off time proprietary control loop. When the output voltage falls below the regulation threshold, the error comparator begins a switching cycle that turns the PMOS on and keeps it on for the duration of the minimum-on-time. When ...
Page 11
... Micrel, Inc. MIC33050 Typical Application Circuit Bill of Materials Item Part Number C1, C2 C1608X5R0J475K C3 C1608C0G1H561J U1 MIC33050-xYHL Notes: 1. TDK: www.tdk.com 2. Micrel, Inc: www.micrel.com July 2009 Manufacturer (1) TDK 4.7µF Ceramic Capacitor, 6.3V, X5R, Size 0603 (1) TDK 560pF Ceramic Capacitor, 50V, NPO, Size 0603 ...
Page 12
... Micrel, Inc. PCB Layout Recommendations July 2009 Top Layer Bottom Layer 12 MIC33050 M9999-070909-C ...
Page 13
... Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully July 2009 12-Pin 3mm x 3mm MLF indemnify Micrel for any damages resulting from such use or sale. © 2007 Micrel, Incorporated. 13 ® (ML) MIC33050 M9999-070909-C ...