STW4510 datasheet(39/57 Pages) STMICROELECTRONICS

tên linh kiện	STW4510

Giải thích chi tiết về linh kiện	2 step-down DC/DC converters / 5 LDO power management

PDF	57 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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39 / 57 page

Obsolete

Product(s)

- Obsolete

Product(s)

STw4510

Electrical and timing characteristics

39/57

Vsdc2 regulator in sleep mode (SLEEP=’1’)

VBAT

Input power supply

2.7

3.6

5.5

VOUT

Output voltage(1)

-3 %

1.8

+3 %

VRIPPLE

Output ripple

IOUT = 5 mA

IOUT

Output current

PEFF

Power efficiency

IOUT = 5 mA

(3)

Quiescent current

IOUT = 0 mA

µA

Lir

Line regulation

[VBAT [2.7; 5.5] V

Ldr

Load regulation

IOUT: [0.1; 10] mA

Lirt

Transient line regulation

IOUT = 5 mA

Δ VBAT= 300 mV

tR = tF = 10 µs

2mV

Including output voltage temperature coefficient, DC line and load regulations, voltage reference accuracy, industrial

manufacturing tolerances and ripple voltage due to switching.

Guaranteed by design

Quiescent current defined is the current measured on the power supply dedicated to the voltage Vsdc2

Table 19.

Vsdc2 DC/DC step-down converter (continued)

Symbol

Description

Test conditions

Min.

Typ.

Max.

Units

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