IS2064 datasheet(39/74 Pages) MICROCHIP

39 / 74 page

 2016 Microchip Technology Inc.

Advance Information

DS60001409A - Page 39

IS2062/64

Note 1:

Test condition: Temperature +25 ºC and wired inductor 10 μH.

These parameters are characterized, but not tested in manufacturing.

Note 1:

Test condition: Temperature +25 ºC.

These parameters are characterized but not tested in manufacturing.

Note 1:

Headroom = VADAP_IN - VBAT.

When VADAP_IN - VBAT > 2V, the maximum fast charge current is 175 mA for thermal protection.

These parameters are characterized but not tested in manufacturing.

TABLE 8-2:

BUCK SWITCHING REGULATOR(2)

Parameter

Min.

Typical

Max.

Unit

Input Voltage

3.0

3.8

4.25

Output Voltage (Iload = 70 mA, Vin = 4V)

1.7

1.8

2.05

Output Voltage Accuracy

—

±5

—

Output Voltage Adjustable Step

—

mV/Step

Output Adjustment Range

-0.1

—

+0.25

Average Load Current (ILOAD)120

—

Conversion efficiency (BAT = 3.8V, Iload = 50 mA)

(Note 2)

—88

—

Quiescent Current (PFM)

—

μA

Output Current (peak)

200

—

Shutdown Current

—

μA

TABLE 8-3:

LOW DROP REGULATOR(1,2)

Parameter

Min.

Typical

Max.

Unit

Input Voltage

3.0

3.8

4.25

Output Voltage

CODEC_VO

—

2.8

—

LDO31_VO

—

3.3

—

Output Accuracy (VIN = 3.7V, ILOAD = 100 mA, +27 ºC)

—

±5

—

Output current (average)

—

100

Drop-out voltage

(Iload = maximum output current)

——

300

Quiescent Current

(excluding load, Iload < 1 mA)

—45

—

μA

Shutdown Current

—

μA

TABLE 8-4:

BATTERY CHARGER(1, 3)

Parameter

Min.

Typical

Max.

Unit

Input Voltage (ADAP_IN)

4.5

5.0

5.5

Supply current to charger only

—

4.5

Maximum Battery

Fast Charge Current

Headroom > 0.7V

(ADAP_IN = 5V)

—

350

—

Headroom = 0.3V~0.7V

(ADAP_IN = 4.5V) (Note 2)

—

175

—

Trickle Charge Voltage Threshold

—3

—

Battery Charge Termination Current,

(% of Fast Charge Current)

—10

—

IS2062_64.book Page 39 Monday, May 16, 2016 6:05 PM

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