A6986ITR datasheet(7/62 Pages) STMICROELECTRONICS

tên linh kiện	A6986ITR

Giải thích chi tiết về linh kiện	Automotive 38 V, 5 W synchronous iso-buck converter for isolated applications

PDF	62 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

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Table 6. fSW selection (TJ = -40 to 135°C, VIN = 12 V unless otherwise specified).

Symbol

RVCC (E24 series)

RGND (E24 series)

fSW min.

fSW typ.

fSW max.

Unit

fSW

0 Ω

(1)

225

250

275

kHz

1.8 Ω

(1) (2)

285

3.3 kΩ

330

5.6 kΩ

380

10 kΩ

435

0 Ω

(3)

450

500

550

18 kΩ

(1)(3)

575

33 kΩ

660

56 kΩ

755

1.8 kΩ

870

3.3 kΩ

(3)

900

1000

1100

1. Synchronization as slave between 275 kHz and 1000 kHz.

2. Not tested in production.

3. Synchronization as slave between 475 kHz and 1000 kHz.

Figure 3. Circuit RVCC, RGND

A6986I

VCC

FSW

SGND

RVCC

A6986I

VCC

FSW

SGND

RGND

Table 7. RST threshold selection (TJ = -40 to 135°C, VIN = 12 V unless otherwise specified).

Symbol

RGND (E241%)

VRST/VOUT (tgt. value)

VRSTmin.

VRSTtyp.

VRSTmax.

Unit

VRST

0 Ω (1)

93%

0.779

0.791

0.802

8.2 kΩ ±1% (1)

80%

0.670

0.680

0.690

18 kΩ ±1% (1)

87%

0.728

0.740

0.751

39 kΩ ±1%(2)

96%

0.804

0.816

0.828

1. please use the pre-defined resistor values.

2. do not exceed the indicated resistor value.

A6986I

Electrical characteristics

DS13481 - Rev 2

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