MAX974CSE データシートの表示（PDF） - Maxim Integrated

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MAX974CSE

Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators

Maxim Integrated 

Ultra-Low-Power, Open-Drain,

Single/Dual-Supply Comparators

WALL

ADAPTER

9V DC

Q1

STEP-DOWN

REGULATOR

3.3V

LOGIC

SUPPLY

BATTERY

(4 CELLS)

953kΩ

470kΩ

1MΩ

7

V+

4 INB-

MAX973

MAX983

10kΩ

OUTB 8

LOW BATT

R1

110kΩ

1 OUTA

DC OK

R2

47kΩ

3 INA+

REF 6

HYST 5

V-

2

20kΩ

2.4MΩ

Figure 6. Battery Switchover Circuit

10kΩ

VINA

10kΩ

VINB

10kΩ

VINC

10kΩ

VIND

5V

3

V+

5 INA+

4 INA-

3.3V

MAX974

MAX984

OUTA 2

7 INB+

6 INB-

OUTB 1

11 INC+

10 INC-

OUTC 16

13 IND+

12 IND-

GND

14

OUTD 15

REF 8 N.C.

V-

9

-5V

Figure 7. Level Shifter: ±5V Input to Single-Ended 3.3V Output

UCSP Applications Information

For the latest application details on UCSP contruction,

dimensions, tape carrier information, printed circuit

board techniques, bump-pad layout and

recommended reflow temperature profile as well as the

latest information on reliability testing results, go to

Maxim’s web site at www.maxim-ic.com/ucsp to find

the Application Note: UCSP–A Wafer-Level Chip-Scale

Package.

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