MCS1632R005FER datasheet(8/46 Pages) ONSEMI

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Table 5. ELECTRICAL CHARACTERISTICS (Notes 4, 5, 6, 7) Unless otherwise specified: according to the circuit in Figure 1;

recommended operating range for TJ and TA; The Recommended Operating Conditions for DC Electrical Characteristics assume VOUT =

2.7 V to 4.5 V and TA = −40°C to 85°C, unless otherwise noted. Typical values are at TA = 25°C, VOUT = 3.8 V, VPU = 1.8 V.

Symbol

Units

Max

Typ

Min

Conditions

Parameter

HARDWARE PROTECTION (Bypass Switch)

TSDN(TH)

Thermal Shutdown Threshold

Range

115

145

°C

Thermal Shutdown Threshold

Stepsize

°C

Thermal Shutdown Threshold

3.0V < VBUS < 5.9V, [TJSHDN]=125°C

125

°C

tTSDGLTCH

Thermal Shutdown Deglitch Time

800

VFAIL

VFAIL Short Detect Threshold

Active only when SW_EN=0, ADC_EN=1

1.9

2.2

RVFAIL

VFAIL Pulldown Resistor (PMID

to GND)

Active only when SW_EN=0

tVFAIL_GLTCH

VFAIL Deglitch Time

VBATINSERT(TH)

VBAT Insert Voltage

VBUS > VBUSUVLO(TH); VSNSP rising

above VBATINSERT(TH) indicates a con-

nected battery.

1.9

2.0

2.2

VBATINSERT(HYS) VBAT Insert Hysteresis

Falling

100

VOUTOVP(TH)

VOUT OVP Threshold Range

4.5

5.3

VOUT OVP Threshold

[VOUTOVP_TH]=4.7V

4.55

4.7

4.85

VOUTOVP(HYS)

VOUT OVP Hysteresis

Falling

100

tVOUTOVPGLTCH

VOUT OVP Deglitch Time

[VOUTOVP_DLY]=0

[VOUTOVP_DLY]=1

VOUT VOLTAGE REGULATION

VOREG(TH)

VOREG Regulation Threshold

Range

4.2

VOREG Regulation Threshold

Stepsize

VOREG Regulation Threshold

Accuracy

[VOREG]=4.4V, TJ = 25°C

−10

+10

VBAT VOLTAGE REGULATION

VBATREG(TH)

VBATREG Regulation Threshold

Range

VSNSP − VSNSN

4.2

VBATREG Regulation Threshold

Stepsize

VSNSP − VSNSN

VBATREG Regulation Threshold

Accuracy

[VBATREG]=4.3V, TJ = 25°C

−10

+10

4. VIH(max) = VPU + 0.5 V or VBAT whichever is lower

5. It is assumed that the SCL and SDA pins are open drain with external pull−ups resistors tied to an external supply VPU.

6. VIH and VIL have been chosen to be fully compliant to I2C specification at VPU = 1.8 V ± 10%. At 2.25V v VPU v 3.63 V the VIL(max) provides

> 200 mV on noise margin to the required VOL(max) of the transmitter.

7. I2C standard specifies VOL(max) for VPU v 2.0 V to be 0.2 x VPU.

8. Guaranteed by design. Not tested in production.

9. Regulation Mode control will reduce tOFF_IBUSOCP.

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