CBC34813-M5C-TR1 datasheet(8/9 Pages) CYMBET

No. de pieza	CBC34813-M5C-TR1

Descripción Electrónicos	SPI Real-Time Clock/Calendar with Integrated Backup Power

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Fabricante Electrónico	CYMBET [Cymbet Corporation]

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CBC34813 EnerChip™ RTC

DS-72-38 V.01

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

Número de pieza similar - CBC34813-M5C-TR1

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
Cymbet Corporation	CBC34813-M5C-TR1	280Kb / 7P	Using CBC348xx EnerChip RTC in High Accuracy Applications
	CBC34813-M5C-TR1	326Kb / 5P	Extend Battery Life by Reducing System Power using the EnerChip RTC
	CBC34813-M5C-TR1	1Mb / 18P	SPI Real-Time Clock/Calendar with Integrated Backup Power

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Descripción similar - CBC34813-M5C-TR1

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
Cymbet Corporation	DS-72-31	1Mb / 14P	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
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	CBC34803	511Kb / 9P	I2C Real-Time Clock/Calendar with Integrated Backup Power
NXP Semiconductors	PCA2125	1Mb / 40P	SPI Real time clock / calendar Rev.00.11-30 January 2007
	PCF2123	239Kb / 54P	SPI Real time clock/calendar Rev. 01-19 November 2008
	PCA2125	189Kb / 36P	SPI Real-time clock/calendar Rev. 01-28 July 2008
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CBC34813-M5C-TR1 Datasheet(PDF) 8 Page - Cymbet Corporation

CBC34813-M5C-TR1 Datasheet(HTML) 8 Page - Cymbet Corporation

Número de pieza similar - CBC34813-M5C-TR1

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