ADP3163 Просмотр технического описания (PDF) - Analog Devices

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ADP3163

5-Bit Programmable 2-Phase Synchronous Buck Controller

Analog Devices 

ADP3163–SPECIFICATIONS1

(VCC = 12 V, IREF = 150 ␮A, TA = 0؇C to 70؇C, unless otherwise noted.)

Parameter

FEEDBACK INPUT

Accuracy

1.1 V Output

1.6 V Output

1.85 V Output

Line Regulation

Input Bias Current

Crowbar Trip Point

Crowbar Reset Point

Crowbar Response Time

REFERENCE

Output Voltage

Output Current

VID INPUTS

Input Low Voltage

Input High Voltage

Input Current

Pull-Up Resistance

Internal Pull-Up Voltage

OSCILLATOR

Maximum Frequency2

Frequency Variation

CT Charge Current

ERROR AMPLIFIER

Output Resistance

Transconductance

Output Current

Maximum Output Voltage

Output Disable Threshold

–3 dB Bandwidth

CURRENT SENSE

Threshold Voltage

Input Bias Current

Response Time

to PWM Going Low

CURRENT SHARING

Output Source Current

Output Sink Current

Maximum Output Voltage

PHASE CONTROL

Input Low Voltage

Input High Voltage

POWER GOOD COMPARATOR

Undervoltage Threshold

Overvoltage Threshold

Output Voltage Low

Response Time

Symbol

VFB

Conditions

∆VFB

IFB

VCROWBAR

tCROWBAR

VCC = 10 V to 14 V

% of Nominal Output

% of Nominal Output

Overvoltage to PWM Going Low

VREF

IREF

VIL(VID)

VIH(VID)

IVID

RVID

VID(X) = 0 V

fCT(MAX)

fCT

ICT

TA = 25°C, CT = 150 pF

TA = 25°C, CT = 68 pF

TA = 25°C, CT = 47 pF

TA = 25°C, VFB in Regulation

TA = 25°C, VFB = 0 V

RO(ERR)

gm(ERR)

IO(ERR)

VCOMP(MAX)

VCOMP(OFF)

BWERR

FB Forced to 0 V

FB Forced to VOUT – 3%

COMP = Open

VCS(TH)

ICS+, ICS–

tCS

CS+ = VCC,

FB Forced to VOUT – 3%

FB ≤ 750 mV

0.8 V ≤ SHARE ≤ 1 V

CS+ = CS– = VCC

CS+ – (CS–) ≥ 173 mV

Min Typ Max

1.091 1.1

1.587 1.6

1.835 1.85

0.01

5

115 120

40

50

400

1.109

1.613

1.865

50

125

60

2.952 3.00 3.048

300

0.8

2.0

70

90

33

43

2.7

3.0 3.3

3000

475

850

1100

260

40

575

1000

1300

300

65

675

1250

1500

340

80

1

2.0

2.2 2.45

575

3.0

800 875

500

143 158 173

80

92

108

0

5

1

5

50

VSHARE(MAX) FB Forced to VOUT – 3%

VIL(PC)

VIH(PC)

VPWRGD(UV)

VPWRGD(OV)

VOL(PWRGD)

Percent of Nominal Output

Percent of Nominal Output

IPWRGD(SINK) = 1 mA

2

300 400

3.0

0.8

2.0

75

80

85

115 120 125

375 525

250

Unit

V

V

V

%

nA

%

%

ns

V

µA

V

V

µA

kΩ

V

kHz

kHz

kHz

kHz

µA

µA

MΩ

mmho

µA

V

mV

kHz

mV

mV

mV

µA

ns

mA

µA

V

V

V

%

%

mV

ns

–2–

REV. 0

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