34708 datasheet(52/159 Pages) FREESCALE

Part #	34708

Description	Power Management Integrated Circuit (PMIC) for i.MX50/53 Families

PDF	159 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Analog Integrated Circuit Device Data



Freescale Semiconductor

MC34708

Functional Block Description

fSW2

Switching Frequency

• PLLX = 0

• PLLX = 1

2.0

4.0

MHz

ISW2Q

Quiescent Current Consumption

• PWMPS or APS MODE, IL = 0 mA; device not switching

• PFM MODE, IL = 0 mA; device not switching

160

µA

SW2

Efficiency

•PFM, 0.9 V, 1.0 mA

• PWM Pulse skipping, 1.2 V, 120 mA

• PWM Pulse skipping, 1.2 V, 500 mA

•PWM, 1.2 V, 1000 mA

(47)

Notes:

46.

Transient loading for load steps of ILMAX/2.

47.

Efficiency numbers at VIN = 3.6 V, excludes the quiescent current.

Table 40. SW2 Electrical Specifications

Characteristics noted under conditions BP = 3.6 V, VBUS = 5.0 V, -40 C  TA  85 C, unless otherwise noted. Typical values

at BP = 3.6 V and TA = 25 °C under nominal conditions, unless otherwise noted.

Symbol

Characteristic

Min

Typ

Max

Unit

Notes

34708 Datasheet(PDF) 52 Page - Freescale Semiconductor, Inc