MIC79110-4.2BML datasheet(3/14 Pages) MICREL

3 / 14 page

Micrel, Inc.

MIC79110

October 2007

M9999-102507

Absolute Maximum Ratings

(1)

Input Supply Voltage (VIN).................................... 0V to 18V

Shutdown Input Voltage (V) ................................. 0V to 10V

Output Voltage (ADJ) .....................................................10V

Power Dissipation ...................................Internally Limited

Junction Temperature ...............................–40°C to +125°C

Operating Ratings

(2)

Input Supply Voltage ........................................ 2.5V to 16V

Shutdown Input Voltage (V) ................................... 0V to 7V

Output Voltage (ADJ) ....................................................9.6V

Junction Temperature Range (TJ).............–40°C to +125°C

θJA (MLF-10) .......................................................... 60°C

θJC (MLF-10) ............................................................ 2°C

Electrical Characteristics

(4)

TA = 25°C with VIN = VOUT + 1V; ILOAD = 100µA; CBATT = 10µF; SD = 0V; RSET=1kΩ. Bold values indicate –40ºC < TJ < +125°C; unless

otherwise specified.

Parameter

Condition

Min

Typ

Max

Units

Output Voltage Accuracy

Variation from VOUT = 4.2V; TJ = –5°C to +60°C; ILOAD = 50mA

-0.75

-1.5

+0.75

+1.5

ADJ Pin Voltage Accuracy

0.5955

0.6

0.6045

Line Regulation

VIN = VOUT + 1V to 16V @ ILOAD = 50mA

-0.1

+0.1

%/V

Load Regulation

ILOAD = 0.1mA to 1A

0.3

ILOAD = 100mA, RSET = 167Ω

160

250

Dropout Voltage(3)

ILOAD = 700mA, RSET = 167Ω

375

550

ILOAD = 10mA, RSET = 167Ω

Ground Current

ILOAD = 700mA, RSET = 167Ω

VIN Pin Current

SD = VIN

120

300

µA

Shutdown Pin Current

SD = 5.2V, VBAT = 0

0.1

µA

Logic High, regulator off

1.1

Shutdown Input Threshold

Logic Low, regulator on

0.9

Shutdown Hysteresis

Current Limit Accuracy

(4, 5)

VOUT = 0.9 × VNOM; IOUT = 1.2A,

RSET = 167Ω, TJ = –40°C to +85°C

VOUT = 0.9 × VNOM; IOUT = 0.1A,

RSET = 2kΩ

-5

-20

+20

Current Limit Setpoint

Range

(5)

0.1

1.2

Maximum Current Limit

RSET shorted to ground, VBAT = 0.9 × VNOM

1.25

1.65

2.5

VBAT Reverse Current

VIN = High impedance or ground

4.2

µA

Digital End–of–Charge (DEOC) Output

IEOC

(6, 7)

REOC = 4kΩ Current Falling

IEOC

(6, 7)

REOC = 4kΩ Current Rising

100

DEOC Logic–Low Voltage

IDEOC = 5mA, IBAT = 700mA

0.74

0.95

DEOC Leakage Current

Logic High = VIN = 16V

0.1

µA

DEOC On Resistance

VIN = +5V

150

190

Ω

REOC Maximum Current Limit

REOC shorted to ground

0.5

1.0

2.0

Analog Charge Indicator (ACHG) Output

ISOURCE

(8)

IBAT = 50mA

µA

IBAT = 1.2A, TJ = –40°C to +85°C

800

950

1150

µA

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