CBC34803 datasheet(8/9 Pages) CYMBET

Nome de Peças	CBC34803

Descrição Electrónicos	I2C Real-Time Clock/Calendar with Integrated Backup Power

Download	9 Pages

Scroll/Zoom	100%

Fabricante Electrônico	CYMBET [Cymbet Corporation]

Página de início	http://www.cymbet.com

Logo

8 / 9 page

CBC34803 EnerChip™ RTC

DS-72-34 V.09

Page 8 of 9

Preliminary

CHARGE PUMP CHARACTERISTICS (PERTAINS TO INTEGRATED CBC910 POWER MANAGEMENT CIRCUIT)

(NOTE: THIS TABLE PROVIDES IMPORTANT INFORMATION WHEN CONNECTING ADDITIONAL ENERCHIPS TO VCHG.)

VDD = 2.5V to 5.5V, Ta = -20ºC to +70ºC

CHARACTERISTIC

SYMBOL

CONDITION

MIN

MAX

UNITS

ENABLE=VDD to Charge

Pump Active

tCPON

ENABLE to 3rd charge pump

pulse, VDD=3.3V

60

80

µs

ENABLE Falling to

Charge Pump Inactive

tCPOFF

-

0

1

µs

Charge Pump Frequency

fCP

-

120

KHz (1)

Charge Pump

Resistance

RCP

Delta VBAT, for IBAT charging

current of 1µA to 100µA

CFLY=0.1µF, CBAT=1.0µF

150

300

Ω

VCHG Output Voltage

VCP

CFLY=0.1µF, CBAT=1.0µF,

IOUT=1µA, Temp=+25ºC

4.075

4.125

V

VCHG Temp. Coefficient

TCCP

IOUT=1µA, Temp=+25ºC

-2.0

-2.4

mV/ºC

Charge Pump Current

Drive

ICP

IBAT=1mA

CFLY=0.1µF, CBAT=1.0µF

1.0

-

mA

Charge Pump on Voltage

VENABLE

ENABLE=VDD

2.5

-

V

(1) fCP = 1/tCPPER

ADDITIONAL CHARACTERISTICS

Ta = -20ºC to +70ºC

CHARACTERISTIC

SYMBOL

CONDITION

LIMITS

UNITS

MIN

MAX

VBAT Cutoff Threshold

VBATCO

IOUT=1µA

2.75

3.25

V

Cutoff Temp. Coefficient

TCCO

-

+1

+2

mV/ºC

VBAT Cutoff Delay Time

tCOOFF

VBAT from 40mV above to

20mV below VBATCO

IOUT=1µA

40

-

ms

Note:Allspecificationscontainedwithinthisdocumentaresubjecttochangewithoutnotice

Nº de peça semelhante - CBC34803

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Cymbet Corporation	CBC34803-M5C	280Kb / 7P	Using CBC348xx EnerChip RTC in High Accuracy Applications
	CBC34803-M5C	326Kb / 5P	Extend Battery Life by Reducing System Power using the EnerChip RTC
	CBC34803-M5C-TR1	280Kb / 7P	Using CBC348xx EnerChip RTC in High Accuracy Applications
	CBC34803-M5C-TR1	326Kb / 5P	Extend Battery Life by Reducing System Power using the EnerChip RTC
	CBC34803-M5C-TR1	1Mb / 18P	I2C Real-Time Clock/Calendar with Integrated Backup Power

More results

Descrição semelhante - CBC34803

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Cymbet Corporation	DS-72-34	1Mb / 18P	I2C Real-Time Clock/Calendar with Integrated Backup Power
	DS-72-31	1Mb / 14P	SPI Real-Time Clock/Calendar with Integrated Backup Power
	CBC34813	981Kb / 9P	SPI Real-Time Clock/Calendar with Integrated Backup Power
	CBC34123	480Kb / 9P	SPI Real-Time Clock/Calendar with Integrated Backup Power
	DS-72-38	1Mb / 18P	SPI Real-Time Clock/Calendar with Integrated Backup Power
Intersil Corporation	ISL1208	393Kb / 21P	I2C Real Time Clock/Calendar
HAOYU MICROELECTRONIC.,...	HYM8563	166Kb / 12P	I2C Real Time Clock/Calendar
Intersil Corporation	ISL12008	293Kb / 19P	I2C Real Time Clock with Battery Backup
	ISL12025	423Kb / 27P	Real-Time Clock/Calendar with I2C Bus and EEPROM
	ISL12029_1012	580Kb / 29P	Real Time Clock/Calendar with I2C Bus??and EEPROM

More results

CBC34803 Folha de dados(PDF) 8 Page - Cymbet Corporation

CBC34803 Folha de dados(HTML) 8 Page - Cymbet Corporation

Nº de peça semelhante - CBC34803

Descrição semelhante - CBC34803

Html Pages

1 2 3 4 5 6 7 8 9

Folha de dados Download

Ligação URL