MIC4555 datasheet(4/16 Pages) MICREL

Part #	MIC4555

Description	SIM Card Level Shifter with 50mA LDO

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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Micrel Inc.

MIC4555

September 2011

4

M9999-092311-B

Absolute Maximum Ratings(1)

Supply Voltages (DVCC, VBAT, VCC, VSEL).........−0.3 to +6.0V

Input Logic (RIN, CIN, DATA)

(2) .........................−0.3 to +6.0V

Lead Temperature (soldering, 5s).............................. 260°C

Storage Temperature (TS).............................−65 to +150°C

ESD Rating

(3)................................................ 2kV to Any Pin

ESD Rating (RST, CLK, I/O, VCC pins)

(3)...........8kV to GND

Operating Ratings(4)

Supply Voltage (VBAT)................................... +2.7V to +5.5V

Supply Voltage (DVCC) ....................................+1.6V to VBAT

Logic Inputs (RIN, CIN, DATA)............................. 0V to DVCC

Logic Inputs (EN, VSEL).........................................0V to VBAT

Storage Temperature (TS)............................. −45 to +125°C

Package Thermal Resistance

3mm x 3mm MLF

® -16L (θJA).............................59°C/W

Electrical Characteristics

− General

TA =25

oC, VBAT = 4.3V, CVCC = 1µF unless otherwise noted. Bold values indicate −40°C ≤ TJ ≤ 125°C.

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

VBAT Shutdown Current

ISD

VEN = 0V, All outputs disabled

0.1

1

µA

VCC = 1.8V, ICC = 0mA

41

80

VBAT Operating Current

IOPBAT

VCC = 3.0V, ICC = 0mA

47

80

µA

DVCC Shutdown Current

ISD

VEN = 0V, All outputs disabled

0.1

1

µA

DVCC Operating Current

IOPDVcc

fCLK = 1MHz, tr/f = 10ns, DVCC = 5.5V

3.5

µA

DVCC Undervoltage Lock-Out

Threshold (UVLO)

VUVLO

0.8

1.1

1.4

V

Over-Temperature Shutdown

Threshold

Tth

150

°C

Over-Temperature Hysteresis

Thys

10

°C

When disabled, IOUT = 3mA. Active pull-

down on VCC.

260

Auto Discharge NFET Resistance

(5)

RPD

When disabled, IOUT = 3mA. Active pull-

down on RST, CLK.

100

Ω

Electrical Characteristics

− SIM Power Supply and Level Translator

TA = 25

oC, VBAT = 4.3V, CVCC = 1µF unless Bold values indicate −40°C ≤ TJ ≤ 125°C.

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

EN, VSEL High Input Threshold

VIH

1.2

V

EN, VSEL Low Input Threshold

VIL

0.4

V

Controller Voltage Input

DVCC

1.6

VBAT

V

RIN, CIN High Input Threshold

VIH

0.7DVCC

V

RIN, CIN Low Input Threshold

VIL

0.2DVCC

V

DATA Output High

VOH

IOH = 20µA, I/0 = VCC

0.7DVCC

V

DATA Output Low

VOL

IOL = −200µA, I/O = 0V

0.4

V

DATA Input Current High

IIH

−20

20

µA

DATA Input Current Low

IIL

1

mA

DATA Pull-Up Resistance

RPU

Between DATA and DVCC

13

20

30

kΩ

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