Electronic Components Datasheet Search |
|
MD3221R Datasheet(PDF) 1 Page - Shindengen Electric Mfg.Co.Ltd |
|
MD3221R Datasheet(HTML) 1 Page - Shindengen Electric Mfg.Co.Ltd |
1 / 2 page 7 Step Down DC - DC Converter Power IC R/C (L.Active) S/S UVLO INVL Current Limit2 Current Limit1 PWM Comp VTS amp- OSC Vref VDD VGH 7 3∼6 VOUT 1,2,22∼25 VB 8 Vboot 19 Vref 15 Vcc 14 13 11 12 16 10 P.GND1 20 ampOUT − + Error Amp VGL 21 P.GND2 26 GND 9,17 ON/OFF Control Bandgap Reference 1.26V±1% Thermal Shutdown VCC − + − + − + Latch Q R S S R Q Latch OSC − + + − + + − S R Q Latch − + 18 + + GND GND INPUT 4.5∼20V MD3221R OUTPUT 0.8∼14V ON 13 15 16 9,17 26 11 12 10 1,2,22∼25 8 19 3∼6 18 14 20 VOUT VOUT VDD VDD VDD VDD VGH VB GND VTS ampOUT amp- S/S P.GND2 VOUT VOUT VOUT VOUT VGL P.GND1 Vboot VCC GND OSC Vref R/C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Feature MD3221R U097−2 (See the marking specification for the indication on the device) wiring for f=300kHz Block Diagram Standard Connection Diagram Pin Assignment (LSSOP26) Input Voltage range 4.5V to 20V Maximum Output Current 3A Built_in MOSFETs for main switch and synchronous rectification Adjustable output from 0.8V to 14V with external resistors High Efficiency typ. 96% (at:Vin=5V, Vout=3.3V, Iout=1A, f=100kHz) 100kHz / 300kHz selectable switching frequency Over Current Protection Under Voltage Lockout Thermal Shut Down Remote On / Off Supply current at remote off 25 μA typ. Output adjustable Small footprint Remote On/Off Synchronous Rectification 5V Input |
Similar Part No. - MD3221R |
|
Similar Description - MD3221R |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |