MC34701EKR2(2005) データシートの表示（PDF） - Freescale Semiconductor

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MC34701EKR2
(Rev.:2005)

1.5 A Switch-Mode Power Supply with Linear Regulator

Freescale Semiconductor 

STATIC ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 3. Static Electrical Characteristics

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

General

Operating Voltage Range (VIN1, VIN2)

VIN

2.8

–

6.0

V

Start-Up Voltage Threshold (Boost Switching)

VST

–

1.6

1.8

V

VBST Undervoltage Lockout (VBST rising)

VBST_UVLO

5.5

–

6.5

V

VBST Undervoltage Lockout Hysteresis

VBST_UVLO_HYS

0.5

–

1.5

V

Input DC Supply Current (Normal Operation Mode, Enabled), Unloaded

IIN

Outputs

–

60

–

mA

VIN1 Terminal Input Supply Current (EN1 = EN2 = 0)

VIN2 Terminal Input Leakage Current (EN1 = EN2 = 0)

VDDI Internal Supply Voltage

VDDI Maximum Output Current (Externally Loaded)

Buck Converter

Buck Converter Feedback Voltage (6), (7)

IVOUT = 15 mA to 1.5 A. Includes Load Regulation Error

IIN1

IIN2

VDDI

IDDI

VINV

–

10

–

mA

–

100

–

µA

2.9

–

3.3

V

–

–

-10

mA

V

0.784

0.800

0.816

Buck Converter Voltage Margining Step Size

Buck Converter Voltage Margining Highest Positive Value

Buck Converter Voltage Margining Lowest Negative Value

Buck Converter Line Regulation (6), (7)

VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A

Buck Converter Load Regulation (6), (7)

VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A

VOUT Input Leakage Current

VOUT = 5.25 V

VMVO

–

1.0

–

%

VMP

5.9

–

7.9

%

VMN

-7.9

–

-5.9

%

REGLNVO

-1.0

–

%

1.0

REGLDVO

-1.0

–

%

1.0

IINVOUT

–

3.5

mA

–

INV Input Leakage Current

INV = 0.8 V

Notes

6. Design information only. This parameter is not production tested.

7. IVOUT refers to load current on output switcher.

IININV

-1.0

–

1.0

µA

34701

6

Analog Integrated Circuit Device Data

Freescale Semiconductor

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