Rainbow-electronics MAX4880 Bedienungsanleitung PDF herunterladen (Seite 3)

MAX4880

Overvoltage-Protection Controller with

Internal Disconnect Switch

_______________________________________________________________________________________ 3

Note 1: All devices are 100% tested at T

= +25°C. Electrical limits over the full temperature range are guaranteed by design.

ELECTRICAL CHARACTERISTICS (continued)

= 5V, T

= -40°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

FLAGV Assertion Delay t

FLAGV

increasing from 5V to 8V at 3V/µs,

FLAGV

= 0.4V (Figure 2)

5.8 µs

Initial Overvoltage Fault Delay t

OVP

increasing from 0 to 8V,

GATE

= 80% of I

(Figure 3)

100

Disable Time t

DIS

= 2.4V, V

GATE

= 0.3V (Figure 4)

580

EN, CB INPUTS

Input-High Voltage V

1.4 V

Input-Low Voltage V

0.5 V

Input Leakage 1µA

FLAGV, BAT_OK OUTPUTS

Output Voltage Low V

SINK

= 1mA, FLAGV, BAT_OK assert 0.4 V

Leakage Current V

BAT_OK

= V

FLAGV

= 5.5V 1 µA

THERMAL PROTECTION

Thermal Shutdown

+150

°C

Thermal Hysteresis 40 °C

Typical Operating Characteristics

= 5V, T

= +25°C, otherwise noted.)

+ I

BTA

CURRENT vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

+ I

BTA

CURRENT (μA)

MAX4880 toc01

0 5 10 15 20 25 30

100

150

200

250

300

350

400

= 0

= 5V

OVLO TRIP POINT

UVLO TRIP POINT

+ I

BTA

CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

+ I

BTA

CURRENT (μA)

MAX4880 toc02

-40 -15 10 35 60 85

100

150

200

250

300

350

400

GATE VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

GATE VOLTAGE (V)

MAX4880 toc03

012345678

UVLO TRIP POINT

OVLO TRIP POINT

1 2 3 4 5 6 7 8 9 10

Kommentare zu diesen Handbüchern

Keine Kommentare

Rainbow-electronics MAX4880 Bedienungsanleitung Seite 3

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Sensoren Rainbow-electronics MAX4880