ICL7673CBA 查看數據表（PDF） - Intersil

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ICL7673CBA

Automatic Battery Back-Up Switch

Intersil 

ICL7673

Electrical Specifications TA = 25°C Unless Otherwise Specified (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP

Output Leakage Currents of PBAR and

SBAR

Switchover Uncertainty for Complete

Switching of Inputs and Open Drain

Outputs

ILPBAR

ILSBAR

VP - VS

VP = 0V, VS = 15V, ILOAD = 0mA

at TA = +85°C

VP = 15V, VS = 0V, ILOAD = 0mA

at TA = +85°C

VS = 3V, ISINK = 3.2mA, ILOAD = 15mA

-

50

-

900

-

50

-

900

-

±10

NOTE:

3. The Minimum input to output voltage can be determined by multiplying the load current by the switch resistance.

MAX

500

-

500

-

±50

UNITS

nA

nA

nA

nA

mV

Typical Performance Curves

100

ILOAD = 15mA

100

ILOAD = 1mA

10

10

1

02

4 6 8 10 12 14 16

INPUT VOLTAGE VP (V)

FIGURE 1. ON-RESISTANCE SWITCH P1 AS A FUNCTION OF

INPUT VOLTAGE VP

1

0.8

0.6

0.4

0.2

-40°C

25°C

85°C

02

4 6 8 10 12 14 16

SUPPLY VOLTAGE (V)

FIGURE 3. SUPPLY CURRENT AS A FUNCTION OF SUPPLY

VOLTAGE

1

0

2

4

6

8

10

INPUT VOLTAGE VS

FIGURE 2. ON-RESISTANCE SWITCH P2 AS A FUNCTION OF

INPUT VOLTAGE VS

5

VO = 5V

VO = 9V

4

VO = 3V

VO = 12V

3

2

VO = 15V

1

0

40

80

120

140

180

OUTPUT CURRENT (mA)

FIGURE 4. PBAR OR SBAR SATURATION VOLTAGE AS A

FUNCTION OF OUTPUT CURRENT

3

FN3183.4

July 22, 2005

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