MIC2800

DS20005839C-page 4

 2017-2023 Microchip Technology Inc. and its subsidiaries

TABLE 1-1:

ELECTRICAL CHARACTERISTICS (Note 1)

Electrical Characteristics: VIN =EN1 =EN2 =LOWQ =VOUT (Note 2)+ 1V; COUTDC/DC = 2.2 µF,

COUT1 =COUT2 = 2.2 µF; IOUTDC/DC = 100 mA; IOUTLDO1 =IOUTLDO2 =100 µA; TJ =25°C, bold values indicate

-40°C ≤ TJ ≤ +125°C; unless noted.

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

UVLO Threshold

UVLOTH

2.45

2.55

2.65

V

Rising input voltage during turn on

UVLO Hysteresis

UVLOHYS

—100

—

mV

Ground Pin Current

IGND

—

800

55

1100

85

95

µA

VFB = GND (not switching);

LDO2 Only (EN1 = LOW)

Ground Pin Current in

Shutdown

IGND_SHDN

—

0.2

5

µA

All EN = 0V

Ground Pin Current

(LOWQ mode)

IGND_LOWQ

—

30

20

60

80

70

µA

µA

µA

All channels ON,

IDC/DC =ILDO1 =ILDO2 =0 mA

DC/DC and LDO1 OFF;

ILDO2 =0mA

Overtemperature

Shutdown

TSD

—160

—

°C

Overtemperature

Shutdown Hysteresis

TSDHYS

—23—

°C

Enable Inputs (EN1; EN2; /LOWQ)

Enable Input Voltage

Logic Low

VIL

——

0.2

V

Enable Input Voltage

Logic High

VIH

1.0

——

V

Enable Input Current

IEN

—0.1

1

µA

VIL ≤ 0.2V

—0.1

1

µA

VIH ≥1.0V

Turn-on Time

Turn-on Time

(LDO1 and LDO2)

tTURN-ON

—

240

120

500

350

µs

EN2 = VIN

EN1 = VIN

Turn-on Time (DC/DC)

tTURN-ON

—83

350

µs

EN2 = VIN; ILOAD = 300 mA;

CBYP =0.1 µF

POR Output

POR Threshold Voltage,

Failing

VTHLOW_POR

90

91

—

%

Low Threshold, % of nominal

(VDC/DC or VLDO1 or VLDO2) (Flag

ON)

POR Threshold Voltage,

Rising

VTHIGH_POR

—96

99

%

High Threshold, % of nominal

(VDC/DC AND VLDO1 AND VLDO2)

(Flag OFF)

POR Output Logic Low

Voltage (VOL)

VOLPOR

—10

100

mV

IL = 250 µA

IPOR

ILEAKPOR

—0.01

1

µA

Flag Leakage Current, Flag OFF

CSET INPUT

CSET Pin Current

Source

ICSET

0.75

1.25

1.75

µA

VCSET =0V

CSET Pin Threshold

Voltage

VTHCSET

—1.25—

V

POR = High

Note 1: Specification for packaged product only.

2: VOUT denotes the highest of the three output voltage.