MC34701EK datasheet(11/38 Pages) FREESCALE

No de pièce	MC34701EK

Description	1.5 A Switch-Mode Power Supply with Linear Regulator

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Fabricant	FREESCALE [Freescale Semiconductor, Inc]

Site Internet	http://www.freescale.com

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Analog Integrated Circuit Device Data

Freescale Semiconductor

11

34701

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

CONTROL AND SUPERVISORY CIRCUITS

Enable (EN1, EN2) Input Voltage Threshold

VEN-TH

1.0

1.5

2.0

V

Enable (EN1, EN2) Pulldown Resistance

REN-PD

30

55

90

k

Ω

RST

Low-Level Output Voltage, IOL = 5.0 mA

VOL

––

0.4

V

RST

Leakage Current, OFF State, Pulled Up to 5.25 V

ILKG-RST

––

10

µA

RST

Undervoltage Threshold on VOUT (

∆VOUT/VOUT) (17)

VOUTITh

-14

–

-0.5

%

RST

Overvoltage Threshold on VOUT (

∆VOUT/VOUT) (17)

VOUTITh

0.5

–

14

%

RST

Undervoltage Threshold on VLDO (

∆VLDO/VLDO) (17)

VLDOITh

-12

–

-4.0

%

RST

Overvoltage Threshold on VLDO (

∆VLDO/VLDO) (17)

VLDOITh

4.0

–

12

%

RST

Timer Voltage Threshold

VTH-RT

1.0

1.2

1.5

V

RST

Timer Source Current (RT pin at 0 V)

IS-RT

-17–-34

mA

RST

Timer Leakage Current

ILKG-RT

-1.0

–

1.0

µA

RST

Timer Saturation Voltage, Reset Timer Current = 300

µAV

SAT-RT

–

35

100

mV

Maximum Recommended Value of the Reset Timer Capacitor

Ct

––

47

µF

CLKSEL Threshold Voltage

VTHCLKS

1.2

1.6

2.0

V

CLKSEL Pullup Resistance

RPU-CLKS

60

120

240

k

Ω

ADDR Threshold Voltage (17)

VTHADDR

1.2

1.6

2.0

V

ADDR Pullup Resistance

RPU-ADDR

60

120

240

k

Ω

Thermal Shutdown (IC sensor) (17)

TLIM

150

170

190

°C

Thermal Shutdown Hysteresis (17)

TLIMHYS

–10

–

°C

SDA, SCL PINS I2C BUS (STANDARD)

Input Threshold Voltage (Pin SCL), Rising Edge (17)

VLTH

1.3–1.7

V

Input Threshold Voltage (Pin SDA)

VLTH

1.3–1.7

V

SDA, SCL Input Current, Input Voltage = 5.25 V (VIN1)

IIN

–1.0

10

µA

SDA Low-Level Output Voltage, 3.0 mA Sink Current

VOL

––

0.4

V

SDA, SCL Capacitance (17)

CInput

–

7.0

10

pF

Notes

17.

Design information only. This parameter is not production tested.

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions -40°C ≤ TA ≤ 85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3 V using

the typical application circuit (see Figure 33) unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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