MIC2074 datasheet(3/16 Pages) MICREL

3 / 16 page

Micrel, Inc.

MIC2073/2074

January 2009

M9999-011209

Absolute Maximum Ratings

(1)

Supply Voltage (V

INB) .................................... –0.3 V to +6 V

Fault Flag Voltage (V

FLGB) ..............................................+6 V

Fault Flag Current (I

FLGB) .............................................25 mA

Output Voltage (V

OUTB) ...................................................+6 V

Output Current (I

OUTB)................................. Internally Limited

Enable Input (V

ENB)...................................... –0.3 V to 6.0 V

Storage Temperature (T

SB) ..................... –65°C to +150 °C

ESD Rating(3)

HBM........................................................................ 1 kV

MM........................................................................200 V

Operating Ratings

(2)

Supply Voltage (V

INB) ................................. +2.7 V to +5.5 V

Ambient Temperature (T

AB)......................... –40°C to +85°C

Junction Temperature Range (T

JB) ............ Internally Limited

Thermal Resistance

SOIC (θ

JAB) .......................................................160°C/W

Electrical Characteristics

(4)

VIN = 5 V; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted

Symbol

Parameter

Condition

Min

Typ

Max

Units

MIC2073-1, V

ENA

= V

ENB B≤ 0.8 V

(switch off), OUT = open

0.40

µA

MIC2073-2, V

ENA

= V

ENB

≥ 2.4 V

(switch off), OUT = open

7.5

µA

MIC2073-1, V

ENA

= V

ENB

≥ 2.4 V

(switch on), OUT = open

100

160

µA

Supply Current

MIC2073-2, V

ENA

= V

ENB

≤ 0.8 V

(switch on), OUT = open

100

160

µA

low-to-high transition

1.6

2.4

Enable Input Threshold

high-to-low transition

0.8

1.40

EN_HYST

Enable Input Hysteresis

225

Enable Input Current

= 0 V to 5.5 V

-1

0.01

µA

CEN

Enable Input Capacitance

MIC2073/2074 ,

= 5.0 V, I

OUT

= 500 mA

115

170

mΩ

DS(ON)

Switch Resistance

MIC2073/2074

= 3.3 V, I

OUT

= 500 mA

145

210

mΩ

Output Leakage Current

MIC2073-1/2074-1, VENx ≤ 0.8 V;

MIC2073-2/2074-2, VENx ≥ 2.4 V, (output off)

µA

Off Current (Thermal Shutdown)

MIC2074, Thermal shutdown state

µA

Short-Circuit Output Current

OUT

= 0V, enabled into short-circuit

0.5

0.7

1.25

LIMIT

Current-Limit Threshold

Ramped load applied to output

1.0

1.25

rising

2.2

2.45

2.7

VUVLO

Undervoltage Lockout

Threshold

falling

2.0

2.25

2.5

= 10 mA, V

= 5.0 V

Error Flag Output Resistance

= 10 mA, V

= 3.3 V

Ω

Error Flag Off Current

FLAG

= V

µA

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