AIC1573 查看數據表（PDF） - Analog Intergrations

零件编号

产品描述 (功能)

比赛名单

AIC1573

5-bit DAC, Synchronous PWM Power Regulator with Simple PWM Power Regulator, LDO And Linear Controller

Analog Intergrations 

AIC1573

n ELECTRICAL CHARACTERISTICS (Vcc=12V, TA=25°C, Unless otherwise specified)

PARAMETER

TEST CONDITIONS

SYMBOL MIN. TYP. MAX. UNIT

VCC SUPPLY CURRENT

Supply Current

UGATE1, LGATE1, UGATE2,

DRIVE3 and DRIVE4 open

POWER ON RESET

Rising VCC Threshold

VOCSET=4.5V

Falling VCC Threshold

VOCSET=4.5V

Rising VAUX Threshold

VAUX Threshold Hysteresis

Rising VOCSET1 Threshold

OSCILLATOR

Free Running Frequency

RT=Open

Total Variation

6kΩ<RT to GND<200kΩ

Ramp. Amplitude

RT=open

DAC AND STANDARD BUCK REGULATOR REFERENCE

DAC (VID0~VID4) Input Low

Voltage

DAC (VID0~VID4) Input High

Voltage

DACOUT Voltage Accuracy VDAC=1.8V~3.5V

PWM2 Reference Voltage Select < 0.8V

PWM2 Reference Voltage Select > 2.0V

PWM2 Reference Voltage

Tolerance

1.5V AND 1.8V LINEAR REGULATORS ( OUT3, OUT4)

Regulation

VSEN3 Regulation Voltage

VSEN4 Regulation Voltage

Under-Voltage Level

( VSEN/VREG )

VSEN Rising

Under-Voltage Hysteresis

(VSEN/VREG )

VSEN Falling

Output Drive Current ( All

Linears )

VAUX-VDRIVE > 0.6V

ICC

3

mA

VCCTHR

VCCTHF 8.2

VAUXTHR

VAUXHYS

VOCSETH

10.4 V

V

2.5

V

500

mV

1.26

V

F

170 200 230 KHz

-15

+15 %

∆VOSC

1.5

VP-P

VIDL

VIDH

0.8 V

2.0

V

-1.0

+1.0 %

1.5

V

3.3

V

3

%

3

%

VREG3

1.5

V

VREG4

1.8

V

VSENUV

75

%

5

%

20

30

mA

4

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