MIC5159-1.8BM6 datasheet(3/23 Pages) MICREL

Part #	MIC5159-1.8BM6

Description	PROGRAMMABLE CURRENT LIMIT UCAP LDO REGULATOR CONTROLLER

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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April 2004

3

M9999-041204

MIC5159

Micrel

Electrical Characteristics(4)

T

A = 25°C with VIN = VOUT + 1V; VEN = 1.2V, CIN = COUT = 10µF, ceramic, IOUT = 10mA; bold values indicate –40°C<TJ < +125°C;

unless otherwise specified, Note 3

Parameter

Condition

Min

Typ

Max

Units

Output Voltage Accuracy

At 25

°C

–1+1

%

Over temperature range

–2+2

%

Output Voltage Line Regulation

V

IN = VOUT + 1.0V to 5.5V

–0.1

0.007

+0.1

%/V

Output Voltage Load Regulation

I

L = 10mA to 1.0A

0.2

1.0

%

Ground Pin Current(6)

V

EN ≤ 0.2V (MIC5159 OFF)

15

30

µA

V

EN ≥ 1.2V (MIC5159 ON)

10

20

mA

Adjust Pin Bias Current

1

µA

Maximum V

GS

(PFET fully ON); V

IN = 5.0V

4.5

V

(PFET fully ON); V

IN = 3.3V

3.1

V

(PFET fully ON); V

IN = 2.5V

2.3

V

Current-Limit Threshold

V

IN – VIS

40

50

65

mV

Start-up Time

V

EN = VIN

30

150

µs

Enable Input

Enable Input Threshold

Regulator enabled

1.2

V

Regulator shutdown

0.2

V

Enable hysteresis

20

50

250

mV

Enable Pin Input Current

Independent of state

0.01

nA

1

µA

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. P

D(max) = (TJ(max) – TA) ÷ θJA, where θJA depends upon the printed circuit layout, see “Applications Information.”

4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

5. Specification for packaged product only.

6. I

GND is the quiescent current. IIN = IGND + IOUT.

Absolute Maximum Ratings(1)

Supply Voltage (V

IN) .................................................. +6.0V

Enable Input Voltage (V

EN) ........................................ +6.0V

Power Dissipation (P

D(max)) ................................... Note 3

Storage Temperature (T

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

Lead Temperature (soldering, 5 sec.) ....................... 260

°C

ESD Rating(4) ................................................................ 2kV

Operating Ratings(2)

Supply Voltage (V

IN) ................................. +1.65V to +5.5V

Enable Input Voltage (V

EN) .............................. 0V to +5.5V

Junction Temperature (T

J) ................ –40°C ≤ TJ ≤ +125°C

Package Thermal Resistance

SOT-23-6 (

θ

JA) .............................................. 235°C/W

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