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Micrel, Inc. 

MIC23099 Evaluation Board 

 

Bill of Materials 

Item 

Part Number 

Manufacturer 

Description 

Qty. 

C1, C5 

GRM188R60J106ME47D 

Murata

(

1

)

 

10µF/6.3V, Ceramic Capacitor, X5R, 0603, ±20% 

CL10A106MQ8NNNC 

Samsung

(

2

)

 

C2, C3, C4 

GRM188R60J475ME19D 

Murata 

4.7µF/6.3V, Ceramic Capacitor, X5R, 0603, ±20% 

CL10A475MQ8NNNC 

Samsung 

C6 

GRM31CR60J476ME19L 

Murata 

47µF/6.3V, Ceramic Capacitor, X5R, 1206, ±20% 

 1 

CL31A476MQHNNNE 

Samsung 

D1 

SML-LXT1206SRC 

 Lumex

(

3

)

 

1.7V/20mA, LED, 660NM RED WTR CLR, 1206 

L1 

IFSC1515AHER6R8M01 

Vishay Dale

(

4

)

 

6.8µH, 1.5A Inductor, 90mΩ, 3.8mm × 3.8mm × 1.8mm 

L2 

CIG2MW4R7NNE 

Samsung 

4.7µH, 1.1A Inductor, 140mΩ, 2.0mm × 1.6mm × 1.0mm 

R1 

RC1005F3833CS 

Samsung 

383kΩ Resistor, 0402, 1% 

R2 

RC1005F1913CS 

Samsung 

191kΩ Resistor, 0402, 1% 

R3 

RC1005F3923CS 

Samsung 

392kΩ Resistor, 0402, 1% 

R4 

RC1005F5763CS 

Samsung 

576kΩ Resistor, 0402, 1% 

R5 

RC1005F1003CS 

Samsung 

100kΩ Resistor, 0402, 1% 

R6 

RC1005F80R6CS 

Samsung 

80.6Ω Resistor, 0402, 1% 

U1 

MIC23099YFT 

Micrel

(

5

)

 

Single AA/AAA Cell Step-Up/Step-Down Regulators with 
Battery Monitoring 

Notes: 

1.  Murata: 

www.murata.com

.  

2.  Samsung: 

www.samsung.com

.  

3.  Lumex: 

www.lumex.com

.  

4.  Vishay Dale: 

www.vishay.com

.   

5. 

Micrel, Inc.:

 

www.micrel.com

.  

 

 

May 30, 2014 

Revision 1.0 

 

Summary of Contents for MIC23099

Page 1: ...age the device The maximum operating rating for VIN is 1 6V Exceeding 1 6V on the VIN could damage the device Getting Started 1 VIN Supply Connect a supply to the VIN and GND terminals paying careful...

Page 2: ...ersus output load current The boost regulator operates in either PWM or PFM mode To avoid PWM to PFM chatter the PWM entry and exit points are not the same When in PFM mode the output current needs to...

Page 3: ...wer Cycling If either VOUT1 or VOUT2 outputs are out of tolerance for longer than the power good deglitch delay of between 60ms to 120ms then both outputs are disabled The power down procedure is the...

Page 4: ...eak switch current exceeds the NMOS current limit threshold then the low side switch is immediately turned off and the high side switch is turned on Peak switch current is limited to approximately 1 5...

Page 5: ...rrent VIN 1 8V VOUT2 1 0V TA 25 C PFM 1 0 0 5 0 0 0 5 1 0 0 0 01 0 02 0 03 LOAD REGULATION OUTPUT CURRENT A Buck Load Regulation vs Output Current VIN 1 8V VOUT2 1 0V TA 25 C PFM 0 598 0 600 0 602 0 6...

Page 6: ...Micrel Inc MIC23099 Evaluation Board Typical Application Schematic Pin Configuration 14 Pin 2 5mm 2 5mm QFN YFT Top View May 30 2014 6 Revision 1 0...

Page 7: ...R8M01 Vishay Dale 4 6 8 H 1 5A Inductor 90m 3 8mm 3 8mm 1 8mm 1 L2 CIG2MW4R7NNE Samsung 4 7 H 1 1A Inductor 140m 2 0mm 1 6mm 1 0mm 1 R1 RC1005F3833CS Samsung 383k Resistor 0402 1 1 R2 RC1005F1913CS Sa...

Page 8: ...Micrel Inc MIC23099 Evaluation Board PCB Layout Recommendations Top Layer Power Trace Layer Layer 2 Ground Plane May 30 2014 8 Revision 1 0...

Page 9: ...Micrel Inc MIC23099 Evaluation Board PCB Layout Recommendations Continued Layer 3 Routing Layer Bottom Layer Ground Plane May 30 2014 9 Revision 1 0...

Page 10: ...luation Board Package Information and Recommended Landing Pattern 6 Note 6 Package information is correct as of the publication date For updates and most current information go to www micrel com May 3...

Page 11: ...y express or implied warranty relating to the sale and or use of Micrel products including liability or warranties relating to fitness for a particular purpose merchantability or infringement of any p...

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