Power Management ICs

Seiko Instruments

Seiko Instruments offers a wide variety of Power Management ICs that meet the highest expectations in terms of precision, quality and low power consumption.  
 

Voltage Detectors

VD  ð High Precision ± 1%  ð Ultra Low Current Consumption 350nA S-1000
             
        S-808xxC
             
   ð With Delay Circuit  ð Adjustable Delay Time (with external capacitor) S-809xxC
             
       ð Fixed Delay Time (need no external capacitor) S-801

 

Low Quiescent Current VR

      Output
Current		   Input
Voltage		   Operating 
Current		    
Low Quiescent Current VR      ð 50mA  ð 16V  ð 1μA S-812C
                   
 ð SC-82AB Small Package  ð 50mA  ð 10V  ð 1.2μA S-817
     ð 100mA  ð 10V  ð 30μA S-814
                   
 ð Current Limit  ð 200mA  ð 10V  ð 30μA S-818
                    
 ð External Transistor  ð 1mA  ð 16V  ð 30μA S-816

 

High Ripple Rejection LDO

High Ripple Rejection LDO      ð 150mA  ð 70dB  ð tantalum S-1111/21
     ð 150mA  ð 80dB  ð ceramic S-1112/22
                   
 ð Ultra Low Current    ð 150mA  ð 70dB  ð ceramic S-1167
     ð 250mA      ð ceramic S-1206
                    
 ð SC-82AB Package  ð 100mA  ð 70dB  ð ceramic S-1323
     ð 150mA  ð 80dB  ð ceramic S-T111
                   
 ð WLP  ð 150mA  ð 80dB  ð ceramic S-L2985
                   
 ð 10V Input Voltage  ð 150mA  ð 70dB  ð ceramic S-1200
                   
 ð 10V Input Voltage  ð 150mA  ð 70dB  ð ceramic S-L2980
     ð 200mA  ð 70dB  ð tantalum S-1165
     ð 300mA  ð 70dB  ð tantalum S-1131
     ð 300mA  ð 70dB  ð ceramic S-1132
     ð 300mA  ð 70dB  ð ceramic S-1133
     ð 800mA  ð 70dB  ð ceramic S-1170
 ð 1000mA  ð 70dB  ð ceramic S-1172
 ð 400mA  ð 70dB  ð ceramic S-1701
                   
 ð Dual  ð 150mA  ð 70dB  ð ceramic S-1711
 ð 150mA  ð 80dB  ð ceramic S-1721

   

Composite ICs

Combo (VD + LDO)  ð 50mA  ð 24V S-87xxx
           
Battery Backup Switching IC S-8424A
8425
S-8426A

   

Switching Regulators

Switchung Regulators (DC-DC Converters)  ð  Step-up ð Buillt-in transistor  ð PFM control  ð Super-small S-8351
 
       ð PWM control, PWM/PFM switchover  ð Super-small S-8353/8354
           ð High frequency S-83M355/83M356
                 
    ð External transistor  ð PFM control   ð Super-small S-8352
                  
       ð PWM control, PWM/PFM switchover  ð Super-small S-8355/56/57/58
           ð High frequency S-8340/8341
                 
       ð PWM control  ð High frequency S-8337/8338
              S-8333
                 
       ð For LCD  ð 1 channel S-8330/8331
           ð 2 channels S-8335
                 
 ð  Step-down ð External transistor  ð PWM control, PWM/PFM switchover  ð Super-small S-8520/8521
              S-8540/8541
                 
       ð Synchronous PWM control     S-8533
S-8550/8521
                 
 ð  Step-up & Step-down ð External transistor         S-8460

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