MIC79110-4.2YML datasheet(4/16 Pages) MICREL

4 / 16 page

Micrel, Inc.

MIC79110

September 23, 2013

Revision 2.1

Electrical Characteristics(4) (Continued)

TA = 25°C with VIN = VOUT + 1V; ILOAD = 100µA; CBAT = 10µF; SD = 0V; RSET = 1kΩ.

Bold values indicate –40ºC < TJ < +125°C; unless

otherwise specified.

Parameter

Condition

Min.

Typ.

Max.

Units

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(8, 9)

REOC = 4kΩ Current Falling

IEOC(8, 9)

REOC = 4kΩ Current Rising

100

DEOC Logic–Low Voltage

IEOC = 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(10)

IBAT = 50mA

µA

IBAT = 1.2A, TJ = –40°C to +85°C

800

950

1150

Notes:

8. Output current IEOC when digital end-of-charge output goes high impedance. Currents greater than IEOC, the DEOC output is low, currents lower than

IEOC, DEOC is high impedance.

9. IEOC = (0.2V/REOC) × 1000.

10. ISOURCE is the current output from ACHG pin. A resistor to ground from the ACHG pin will program a voltage that is proportional to the output current.

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