TDE1898RSP datasheet(5/12 Pages) STMICROELECTRONICS

tên linh kiện	TDE1898RSP

Giải thích chi tiết về linh kiện	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH

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APPLICATION INFORMATION

DEMAGNETIZATION OF INDUCTIVE LOADS

An internal zener diode, limiting the voltage

across the Power MOS to between 45 and 55V

(Vcl), provides safe and fast demagnetization of

inductive loads without external clamping devices.

The maximum energy that can be absorbed from

an inductive load is specified as 200mJ (at

Tj =85

°C).

To define the maximum switching frequency three

points have to be considered:

1) The total power dissipation is the sum of the

On State Power and of the Demagnetization

Energy multiplied by the frequency.

2)

The total energy W dissipated in the device

during a demagnetization cycle (figg. 2, 3) is:

W

= Vcl

L

RL

Io –

Vcl –Vs

RL

log







1

+

Vs

Vcl –Vs









Where:

Vcl = clamp voltage;

L = inductive load;

RL = resistive load;

Vs = supply voltage;

IO =ILOAD

3)

In normal conditions the operating Junction

temperature should remain below 125

°C.

Figure 2: Inductive Load Equivalent Circuit

Figure 3: Demagnetization Cycle Waveforms

-25

0

25

50

75

100

125

Tj (

°C)

0.6

0.8

1.0

1.2

1.4

1.6

1.8

α

D93IN018

α=

RDSON (Tj)

RDSON (Tj=25

°C)

Figure 4: Normalized RDSON vs. Junction

Temperature

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	TDE1898C	1Mb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	TDE1898CDP	121Kb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	TDE1898CFP	121Kb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	TDE1898CSP	121Kb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH

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Mô tả tương tự - TDE1898RSP

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	TDE1897C	121Kb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	L6375S	465Kb / 17P	0.5A high-side driver industrial intelligent power switch
	TDE1897R	1Mb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	TDE1897C	1Mb / 12P	0.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	L6375D	330Kb / 16P	0.5A high-side driver industrial intelligent power switch
	L6377	91Kb / 11P	0.5A HIGH-SIDE DRIVER INTELLIGENT POWER SWITCH
	L6376	123Kb / 12P	0.5A HIGH-SIDE DRIVER QUAD INTELLIGENT POWER SWITCH
	L6375	84Kb / 12P	0.5A INDUSTRIAL INTELLIGENT POWER SWITCH
	TDE1890	111Kb / 12P	2A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
	L6370	237Kb / 19P	2.5A high-side driver industrial intelligent power switch

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