R6986 datasheet(11/62 Pages) STMICROELECTRONICS

Il numero della parte	R6986

Spiegazioni elettronici	38 V, 2 A synchronous step-down switching regulator

PDF	62 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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R6986

Electrical characteristics

All the population tested at TJ = -40 to 135 °C, VIN = 12 V unless otherwise specified.

Thermal shutdown

TSHDWN

Thermal shutdown

temperature

(2)

165

°C

THYS

Thermal shutdown hysteresis

(2)

1. Parameter tested in static condition during testing phase. Parameter value may change over dynamic application condition.

2. Not tested in production.

3. LCM enables SLEEP mode at light load.

4. TJ = -40 °C.

5. Measured at fSW = 250 kHz.

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Note Min. Typ. Max. Unit

Table 6. fSW selection

Symbol

RVCC (E24 series)

RGND (E24 series)

fSW min.

fSW typ.

fSW max.

Note

Unit

fSW



225

250

275

(1)

kHz

1.8 k



285

(2)

3.3 k



330

5.6 k



380

10 k



435



450

500

550

(1)

18 k



575

(2)

33 k



660

56 k



755

1.8 k



870

3.3 k



900

1000

1100

5.6 k



1150

(2)

10 k



1310

18 k



1500

33 k



1575

1750

1925

56 k



1800

2000

2200

1. Preferred codifications don't require any external resistor.

2. Not tested in production.

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