34704 datasheet(10/54 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

34704

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

REGULATOR 2

Output Voltage Range

VOUT

0.6

3.3

3.6

Output Accuracy

-2.0

2.0

Line/Load Regulation(11)

REGLN/LD

-1.0

1.0

Feedback Reference Voltage

VFB

0.600(12)

Dynamic Voltage Scaling Range

VDYN

-17.5

17.5

Dynamic Voltage Scaling Step Size

VDYN_STEP

2.5

Continuous Output Current(11)

IOUT

200

500

Over-current Limit (Detected in buck high side FET)

ILIM_ION

1.4

Short-circuit Current Limit (Detected in buck high side FET)

ISHORT_ION

2.1

Battery Over-current Limit Accuracy

-20

N-CH Buck Switch Power MOSFET RDS(ON)

RDS(ON)-SW

120

N-CH Buck Synch. Power MOSFET RDS(ON)

RDS(ON)-SY

1000

N-CH Boost Switch Power MOSFET RDS(ON)

RDS(ON)-SW

120

N-CH Boost Synch. Power MOSFET RDS(ON)

RDS(ON)-SY

120

Discharge MOSFET RDS(ON)

RDS(ON)-DIS

Thermal Shutdown Threshold(11)

TSD

170

°C

Thermal Shutdown Hysteresis(11)

TSD-HYS

°C

PVIN2 Leakage Current (Off State) @25°C

IPVIN2G_LKG

1.0

μA

SW2D Leakage Current (Off State) @25°C

ISW2D_LKG

1.0

μA

SW2U Leakage Current (Off State) @25°C

ISW2U_LKG

1.0

μA

REGULATOR 3

Output Voltage Range

VOUT

0.6

1.2

1.8

Output Accuracy

-4.0

4.0

Line/Load Regulation(11)

REGLN/LD

-1.0

1.0

Feedback Reference Voltage

VFB

0.600(12)

Dynamic Voltage Scaling Range

VDYN

-17.5

17.5

Dynamic Voltage Scaling Step Size

VDYN_STEP

2.5

Continuous Output Current(11)

IOUT

150

550

Over-current Limit (Detected in buck high side FET)

ILIM_ION

1.0

Short-circuit Current Limit (Detected in buck high side FET)

ISHORT_ION

1.5

Over-current Limit Accuracy

-20

N-CH Switch Power MOSFET RDS(ON)

RDS(ON)-SW

500

N-CH Synch. Power MOSFET RDS(ON)

RDS(ON)-SY

500

Discharge MOSFET RDS(ON)

RDS(ON)-DIS

Thermal Shutdown Threshold (11)

TSD

170

°C

Thermal Shutdown Hysteresis(11)

TSD-HYS

°C

PVIN3 Leakage Current (Off State) @25°C

IPVIN3_LKG

1.0

μA

SW3 Leakage Current (Off State) @25°C

ISW3_LKG

1.0

μA

Notes:

11.

Guaranteed by Design

12.

VFB is 0.6V when the part ist powered up and no DVS is changed. DVS is achieved by modifying VFB reference.

Table 4. Static Electrical Characteristics (continued)

Characteristics noted under conditions 2.7 V

≤ VIN ≤ 5.5 V, -20°C ≤ TA ≤ 85°C, GND = 0 V, unless otherwise noted. Typical

values noted reflect the approximate parameter means at TA = 25°C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

34704 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc

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