MIC2182 datasheet(5/40 Pages) MICROCHIP

5 / 40 page



2022 Microchip Technology Inc. and its subsidiaries

DS20006644A-page 5

MIC2182

Output Voltage Total Regulation ΔVO_TOT

—

0.8

—

0 mV < (VCSH – VOUT) < 75 mV

(full load range), 4.5V < VIN < 32V

MIC2182-5.0

Output Voltage

VOUT

4.95

5.0

5.05

—

4.90

5.0

5.10

—

4.85

5.0

5.150

6.5V < VIN < 32V, full load range,

0 mV < VCSH – VOUT < 75 mV

Output Voltage Line Regulation

ΔVO_LN

—

0.03

—

%/V

VIN = 6.5V to 32V,

VCSH – VOUT = 50 mV

Output Voltage Load Regulation ΔVO_LD

—

0.5

—

25 mV < (VCSH – VOUT) < 75 mV

(PWM mode only)

Output Voltage Total Regulation ΔVO_TOT

—

0.8

—

0 mV < (VCSH – VOUT) < 75 mV

(full load range), 6.5V < VIN < 32V

Input and VDD Supply Quiescent Current

PWM Mode Quiescent Current

IQ_PWM

—

1.6

2.5

VPWM = 0V, excluding external

MOSFET gate drive current

Skip Mode Quiescent Current

IQ_SKIP

—

600

1500

µA

ILOAD = 0 mA, VPWM floating (1 nF

capacitor to ground)

Shutdown Quiescent Current

ISD

—

0.1

µA

VEN/UVLO = 0V

Digital Supply Voltage

VDD

4.7

—

5.3

ILOAD = 0 mA to 5 mA

Undervoltage Lockout

VDDUV_R

—

4.2

—

VDD upper threshold (turn-on

threshold)

VDDUV_F

—

4.1

—

VDD lower threshold (turn-off

threshold)

Reference Output (Fixed Versions Only

Reference Voltage

VREF

1.220

1.245

1.270

—

Reference Line Regulation

ΔVREF_LN

—

6V < VIN < 32V

Reference Load Regulation

ΔVREF_LD

—

0 µA < IREF < 100 µA

Enable/UVLO

Enable Input Threshold

VEN_TH

0.6

1.1

1.6

—

UVLO Threshold

VENUV_TH

2.2

2.5

2.8

—

Enable Input Current

IEN

—

0.1

µA

VEN/UVLO = 5V

Soft-Start

Soft-Start Source Current

ISS

–3.5

–5

–6.5

µA

VSS = 0V

Current Limit

Current Limit Threshold Voltage VILIM_TH

100

135

VCSH = VOUT

Error Amplifier

Error Amplifier Voltage Gain

AV(EA)

—

V/V

gm(EA) = 0.2 mS, RO(EA) = 100 kΩ

Current Amplifier

Current Sense Amplifier Gain

AV(CS)

—

2.0

—

V/V

—

Oscillator Section

Oscillator Frequency

fOSC

270

300

330

kHz

—

Maximum Duty Cycle

DMAX

—

Minimum On-Time

tON(MIN)

—

140

250

VOUT = VOUT(NOMINAL) + 200 mV

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: VIN = 15V; SS = Open; VSHDN = 5V; ILOAD = 0.1A, TA = +25°C, Bold values indicate

–40°C ≤ TA ≤ +85°C; unless otherwise specified.

Parameter

Symbol

Min.

Typ.

Max.

Units Conditions

MIC2182 Scheda tecnica(PDF) 5 Page - Microchip Technology

MIC2182 Scheda tecnica(HTML) 5 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Scheda tecnica Scarica

Link URL