MC34710 datasheet(7/16 Pages) MOTOROLA

Teilenummer	MC34710

Bauteilbeschribung	Adjustable Dual Output Switching Power Supply

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Hersteller	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

34710

7

MODE TERMINALS OPERATING VOLTAGES

MODE Control Terminals Low Voltage

TJ = 0°C to TBD°C, VB+ = 12 V to 32 V

VIL(MODEn)

––

0.825

V

MODE Control Terminals High Voltage

TJ = 0°C to TBD°C, VB+ = 12 V to 32 V

VIH(MODEn)

2.6

–

V

MODE Control Terminals Voltage with Input Floating

TJ = 0°C to TBD°C, VB+ = 12 V to 14 V

TJ = 0°C to TBD°C, VB+ = 14 V to 32 V

VMODE(FLOAT)

7.0

8.0

–

12

13.2

V

SUPERVISOR CIRCUITRY

Minimum Function VB+ for Charge Pump and Oscillator Running

VB+(MIN)9.0

–

V

Minimum VB+ for RST Assertion, VB+ Rising

VB+(ASSERT)2.0

–

V

RST

Low Voltage

VB+ = 2.0 V, IRST ≤ 5.0 mA

VOL

––

0.4

V

RST

VI/O Threshold

VI/O Rising

VI/O Falling

VI/Ot+

VI/Ot-

–

VI/O(NOM)

- 225 mV

–

VI/O(NOM)

- 80 mV

–

V

RST

Hysteresis for VI/O

VHYSVI/O

10

–

100

mV

RST

VCORE Threshold

VCORE Rising

VCORE Falling

VCOREt+

VCOREt-

–

VCORE(NOM)

- 225 mV

–

VCORE(NOM)

- 80 mV

–

V

RST

Hysteresis for VCORE

VB+ =12 V to 32 V

VHYS CORE

10

–

100

mV

VCORE - VI/O for VCORE Shutdown

VB+ = 12 V to 32 V

VCORE(SHUTDOWN)

––

TBD

V

Thermal Shutdown Temperature

TJ Rising

TJ(TSD)

170

–

°C

Overtemperature Hysteresis

TJ(HYSTERESIS)20

–

TBD

°C

Vb CHARGE PUMP

Boost Voltage (Note 11)

VB+ = 12 V to 32 V, Ivb =0.5 mA

Vb

VB++10 V

–

VB++12 V

V

Notes

11.

Bulk capacitor ESR

≤ 10 Ω.

STATIC ELECTRICAL CHARACTERISTICS (continued)

Characteristics noted under conditions 4.75 V ≤ VIO ≤ 5.25 V, 12 V ≤ VB+ ≤ 32 V, and 0°C ≤ TJ ≤ 105°C unless otherwise noted.

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

Characteristic

Symbol

Min

Typ

Max

Unit

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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