AN8014 データシートの表示（PDF） - Panasonic Corporation

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AN8014

Step-down, step-up, or inverting DC-DC converter control IC

Panasonic Corporation 

Voltage regulators

s Terminal Equivalent Circuits (continued)

Pin No. I / O

Equivalent circuit

11



11 SGND

12



12 GND

13

O

VCC

14

O

14 CB

13 Out

15

I

16

I

15

VCC

OFF 17 kΩ

16

13 kΩ

AN8014S

Description

SGND: Signal ground.

GND: Output stage ground.

Out:

Totem pole output.

A constant output current of ±100 mA or a

peak output current of ±1 A can be ob-

tained.

CB:

Bootstrap output.

Connect a bootstrap capacitor between

this pin and the n-channel MOSFET source-

side pin of the switching element when

using a step-down voltage circuit.

Short-circuit this pin and the VCC pin when

using a step-up voltage circuit.

VCC: Power supply.

OFF:

Controls the on/off state.

When the input is high: normal operation

(VOFF > 2.0 V)

When the input is low: standby mode

(VOFF < 0.8 V)

In standby mode, the total current consu-

mption is held to under 10 µA.

s Application Notes

[1] Function descriptions

1. Reference voltage block

This block is composed of the band gap circuit and outputs the temperature compensated reference voltage (2.6

V) to the VREF pin (pin 1). The reference voltage is stabilized when the supply voltage is 3.6 V or more and used

as the operating power supply in IC. It is possible to take out a load current of up to −1 mA.

7

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