ADP198ACBZ-R7 datasheet(12/16 Pages) AD

部件名	ADP198ACBZ-R7

功能描述	Logic Controlled, 1 A, High-Side Load

PDF	16 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

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12 / 16 page

ADP198

Data Sheet

Rev. D | Page 12 of 16

APPLICATIONS INFORMATION

GROUND CURRENT

The major source for ground current in the ADP198 is an internal

4 MΩ pull-down resistor on the enable pin. Figure 23 shows

the typical ground current when VEN = VIN and varies from

1.65 V to 6.5 V.

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

VIN (V)

ILOAD = 1000mA

ILOAD = 100mA

ILOAD = 10mA

ILOAD = 200mA

ILOAD = 400mA

ILOAD = 800mA

Figure 23. Ground Current vs. Load Current

As shown in Figure 24, an increase in quiescent current can occur

when VEN ≠ VIN. This is caused by the CMOS logic nature of the

level shift circuitry as it translates a VEN signal ≥1.2 V to a logic

high. This increase is a function of the VIN − VEN delta.

ENABLE VOLTAGE (V)

Figure 24. Typical Ground Current when VEN ≠ VIN

ADP198ACBZ-R7 数据表(PDF) 12 Page - Analog Devices

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