MIC2829 datasheet(10/52 Pages) MICREL

10 / 52 page

Micrel Inc.

MIC2829

May 2010

M9999-051410-B

Electrical Characteristics – Low Noise Regulators (LNR5 – LNR10)

TA=25

oC, AVINx = ENx= 4.3V, V

INLDOx = Vout+1V, COUT = 2.2µF, IOUT = 100µA, unless noted.

Bold values indicate -40

°C ≤ T

J ≤ 125°C.

Parameter

Condition

Min

Typ

Max

Unit

Supply Voltage Range

LNR5, 6, 7

LNR8, 9 ,10

1.8

1.7

AVIN

Current Limit

200

Output Voltage Accuracy

-3

Dropout Voltage

LNR5, 6, 7; IOUT = 100mA;

LNR8, 9, 10

N/A

Line Regulation

VOUT + 1V ≤ VINLDOx ≤ VAVIN

0.02

0.2

%/V

Load Regulation

100µA

≤ IOUT ≤ 100mA

0.4

Output Noise

100Hz to 100kHz; COUT = 2.2µF, CBYP = 0.1µF

µVrms

Ripple Rejection

f = 1kHz, COUT = 2.2µF, CBYP = 0.1µF

Turn On Time

Enable to 90% nominal VOUT

100

µs

Electrical Characteristics – SIM power supply and level translator

TA=25

oC, AVINx = ENGLB = ENLS = 4.3V, C

OUT = 1.0µF, IOUT = 100µA, unless otherwise noted.

Bold values indicate -40

°C ≤ T

J ≤ 125°C.

Parameter

Condition

Min

Typ

Max

Unit

Controller Voltage Input

1.62

1.8

1.98

Current Limit (SIMPWR)

Output Voltage Accuracy

3V Output , IOUT = 50mA

1.8V Output, IOUT = 50mA

2.7

1.7

1.8

3.3

2.0

SIMPWR Turn On Time

500

µs

High Input Threshold

RSTIN, CLKIN (Y = VLSPWR)

0.7*Y

Low Input Threshold

RSTIN, CLKIN (Y = VLSPWR)

0.2*Y

SIMIO (VOH)

IOH = 20µA, DATA = VLSPWR (X = VSIMPWR)

0.8*X

SIMIO (VOL)

IOL = -1mA, DATA = 0V

0.4

SIMRST, SIMCLK (VOH)

IOH = 20µA, (X = VSIMPWR)

0.9*X

SIMRST, SIMCLK (VOL)

IOL = -200µA

0.4

DATA (VOH)

IOH = 20µA, SIMIO = VSIMPWR (Y = VLSPWR)

0.7*Y

DATA (VOL)

IOL = -200µA, SIMIO = 0V

0.4

DATA Pull Up Resistance

Between DATA and LSPWR

Ω

SIMIO Pull Up Resistance

Between SIMIO and SIMPWR

6.5

Ω

SIMCLK Rise/Fall Time

CRSTIN, CSMIIO = 30pF (20-80%)

SIMRST, SIMIO Rise/Fall Time

CRSTIN, CSMIIO = 30pF (20-80%)

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