ADD8733 查看數據表（PDF） - Analog Devices

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ADD8733

16 V Quad Operational Amplifier

Analog Devices 

Preliminary Technical Data

ADD8733

SPECIFICATIONS

STEP-UP SWITCHING REGULATOR SPECIFICATIONS

VVIN = VSD_VIN = 12 V, L1= 15 μH, TA = 25°C, fOSC = 650 kHz, unless otherwise noted.

Table 1.

Parameter

Symbol Conditions

Min Typ Max Unit

SUPPLY

Input Voltage

VIN

8.0

16.5 V

Maximum Duty Cycle

70

%

OUTPUT

Output Voltage

VSU_OUT

VIN + 1

20 V

Load Regulation

200 mA ≤ ILOAD ≤ 800 mA, VSU_OUT = 18 V

1

%

Line Regulation

ILOAD = 500 mA, 8 V ≤ VSD_VIN ≤ 16.5 V, VSU_OUT = 18 V

1

%

Overall Regulation

Line, load, temperature

±3 %

Overvoltage Protection

VSU_D

19.5 20 20.5 V

REFERENCE

FB Regulation Voltage

VSU_FB

2.5

V

ERROR AMPLIFIER

Transconductance

gm

100

μA/V

Error Amplifier Open-Loop Voltage Gain AVSU

1000

V/V

Input Bias Current

IB

100

nA

SWITCH

On Resistance

RDS (ON)SU

100

mΩ

Peak Current Limit

ISUCLSET

3

A

OSCILLATOR

Oscillator Frequency

fOSC

FREQ = GND

FREQ = VSR_OUT1

650

kHz

1200

kHz

1 VSR_OUT pin provides a logic-high output of 5 V.

Rev. PrA | Page 3 of 16

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