STBB2 datasheet(9/25 Pages) STMICROELECTRONICS

tên linh kiện	STBB2

Giải thích chi tiết về linh kiện	800 mA 2.5 MHz, high efficiency dual mode buck-boost DC-DC converter

PDF	25 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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9 / 25 page

DocID022745 Rev 9

9/25

STBB2

Electrical characteristics

%VOUT

Output voltage accuracy in PWM

mode

VIN = 2.5 to 5.5 V, VMODE = VIN

VSEL= GND/VIN

-1.5

+1.5

Output voltage accuracy in power

save mode

VIN = 2.5 to 5.5 V, VMODE = GND

VSEL = GND/VIN suitable output

current to keep PS operation

-3

VFB

Feedback voltage accuracy

Adjustable version

493

500

507

%VOUT

Maximum load regulation

ILOAD = from 10 mA to 800 mA

±0.5

VOPP-PS Peak-to-peak ripple in PS mode

IOUT = 100 mA

130

ILKFB

FB pin leakage current

VFB = 5.5 V

µA

Logic inputs

VIL

Low-level input voltage (EN,

MODE, BP, VSEL pins)

0.4

VIH

High-level input voltage (EN,

MODE, BP, VSEL pins)

1.2

ILK-I

Input leakage current (EN,

MODE, BP, VSEL pins)

VEN=VMODE=VBP=VSEL= 5.5 V

0.01

µA

Power switches

RDS(on)

P-channel on-resistance

130

350

N-channel on-resistance

130

350

ILKG-P

P-channel leakage current

VIN = VOUT = 5.5 V; VEN = 0

µA

ILKG-N

N-channel leakage current

VSW1 = VSW2 = 5.5 V; VEN = 0

µA

Not tested in production. This value is guaranteed by correlation with RDS(on), peak current limit and operating input

voltage.

Not tested in production.

Table 6. Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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