Power Management ICs

Seiko Instruments

Seiko Instruments bietet eine breite Palette an Power Management ICs, die die höchsten Ansprüche erfüllen an Präzision, Qualität und niedrigsten Stromverbrauch.

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