ADP1610(Rev0) データシートの表示（PDF） - Analog Devices

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ADP1610
(Rev.:Rev0)

1.2 MHz DC-DC Step-Up Switching Converter

Analog Devices 

ADP1610

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

COMP 1

FB 2

SD 3

GND 4

ADP1610

TOP VIEW

(Not to Scale)

8 SS

7 RT

6 IN

5 SW

Figure 3. Pin Configuration

Table 3. Pin Function Descriptions

Pin No. Mnemonic Description

1

COMP

Compensation Input. Connect a series resistor-capacitor network from COMP to GND to compensate the

regulator.

2

FB

Output Voltage Feedback Input. Connect a resistive voltage divider from the output voltage to FB to set the

regulator output voltage.

3

SD

Shutdown Input. Drive SD low to shut down the regulator; drive SD high to turn it on.

4

GND

Ground.

5

SW

Switching Output. Connect the power inductor from the input voltage to SW and connect the external rectifier

from SW to the output voltage to complete the step-up converter.

6

IN

Main Power Supply Input. IN powers the ADP1610 internal circuitry. Connect IN to the input source voltage.

Bypass IN to GND with a 10 µF or greater capacitor as close to the ADP1610 as possible.

7

RT

Frequency Setting Input. RT controls the switching frequency. Connect RT to GND to program the oscillator to

700 kHz, or connect RT to IN to program it to 1.2 MHz.

8

SS

Soft Start Timing Capacitor Input. A capacitor from SS to GND brings up the output slowly at power-up.

Rev. 0 | Page 5 of 16

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