L6712D datasheet(3/27 Pages) STMICROELECTRONICS

부품명	L6712D

상세설명	TWO-PHASE INTERLEAVED DC/DC CONTROLLER

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L6712A L6712

ELECTRICAL CHARACTERISTCS

(VCC = 12V±10%, TJ = 0°C to 70°C unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Vcc SUPPLY CURRENT

ICC

VCC supply current

HGATEx and LGATEx open

VCCDR=BOOTx=12V

7.5

10

12.5

mA

ICCDR

VCCDR supply current

LGATEx open; VCCDR=12V

1.5

3

4

mA

IBOOTx

Boot supply current

HGATEx open; PHASEx to

PGND; VCC=BOOTx=12V

0.511.5

mA

POWER-ON

Turn-On VCC threshold

VCC Rising; VCCDR=5V

8.2

9.2

10.2

V

Turn-Off VCC threshold

VCC Falling; VCCDR=5V

6.5

7.5

8.5

V

Turn-On VCCDR

Threshold

VCCDR Rising

VCC=12V

4.2

4.4

4.6

V

Turn-Off VCCDR

Threshold

VCCDR Falling

VCC=12V

4.0

4.2

4.4

V

OSCILLATOR AND INHIBIT

fOSC

Initial Accuracy

OSC = OPEN

OSC = OPEN; Tj=0

°C to 125°C

135

127

150

165

178

kHz

INH

Inhibit threshold

ISINK=5mA

0.5

V

dMAX

Maximum duty cycle

L6712, OSC = OPEN: IDROOP=0

OSC = OPEN; IDROOP=70

µA

72

30

80

40

-

%

L6712A, OSC = OPEN

85

90

%

∆Vosc

Ramp Amplitude

3

V

FAULT

Voltage at pin OSC

OVP Active

4.75

5.0

5.25

V

REFERENCE AND DAC

VOUT

(1)

Output Voltage Accuracy

VIDx See Table 1, VID

≠ “11x“

-0.9

-

0.9

%

VID = “110“

-1.0

-

1.0

%

REF_IN/OUT

Reference Accuracy

VIDx See Table 1, VID

≠ “111”

VOUT -5

VOUT

VOUT+5

mV

Current Capability

3

mA

Load Regulation

IREF = from 0 to 3mA

5.0

mV

VPROG / REF_IN/

OUT

Accuracy with external

reference

VID=“111”;

REF_IN/OUT = 0.8V to 3.3V

-2.0

2.0

%

REF_IN/OUT

Input impedance

400

k

Ω

IVID

VID pull-up Current

VIDx =SGND

5

µA

VVID

VID pull-up Voltage

VIDx = OPEN

3

V

VIDIL

VID Input Levels

Input Low

0.4

V

VIDIH

Input High

1.0

V

ERROR AMPLIFIER

VOS_EA

Offset

FB = COMP

-5

5

mV

DC Gain

80

dB

SR

Slew-Rate

COMP=10pF

15

V/

µs

IFB_START

Start-up Current

FB=SGND; During Soft Start…

65

µA

DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)

VOS_RA

Offset

VSEN = FBG

-8

8

mV

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L6712D 데이터시트(PDF) 3 Page - STMicroelectronics

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유사한 부품 번호 - L6712D

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