Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

All Inputs

−0.3V to +6V

GND to GND SLUG

Junction Temperature (T

150˚C

Storage Temperature

−65˚C to +150˚C

Power Dissipation

(T

3.2W

Junction-to-Ambient Thermal

Resistance

θ

JA (Note 3)

25˚C/W

Maximum Lead Temp (Soldering)

260˚C

ESD Rating (Note 5)

Human Body Model

2 kV

Machine Model

200V

Operating Ratings

V

IN

2.7V to 5.5V

V

EN

0to(V

Junction Temperature (T

−40˚C to +125˚C

Operating Temperature (T

−40˚C to +85˚C

Maximum Power Dissipation

(T

2.2W

25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40˚C to +125˚C.

(Notes 2, 6)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

V

3

Battery Voltage

2.7

3.6

5.5

V

V

Power Supply for LDO 4 and 5

1.74

3.6

5.5

V

T

SD

Thermal Shutdown (Note 14)

Temperature

160

˚C

Hysteresis

20

**No input supply should be higher then VDDA

Supply

V

I

MAX

Maximum Output

Range (V)

Resolution (mV)

Current (mA) (Note 14)

LDO_RTC

Tracking (Note 10)

N/A

30 or 10

LDO1

1.8 to 3.3

100

300

LDO2

1.8 to 3.3

100

150

LDO3

1.8 to 3.3

100

150

LDO4

1.0 to 3.3

50-600

150

LDO5

1.0 to 3.3

50-600

370

BUCK 1

0.8 to 3.3

50-600

1600

BUCK 2

0.8 to 3.3

50-600

1600

BUCK 3

0.8 to 3.3

50-600

1600

‘A’ Version

‘B’ Version

Supply

(V)

Enable ‘A’

(V)

Enable ‘B’

LDO_RTC

2.8

…

2.8

…

LDO1

1.8

SYS_EN

3.0

SYS_EN

LDO2

1.8

SYS_EN

3.0

SYS_EN

LDO3

3.0

SYS_EN

3.0

SYS_EN

LDO4

3.0

SYS_EN

1.3

PWR_EN

LDO5

1.4

PWR_EN

1.1

PWR_EN

BUCK1

1.4

PWR_EN

1.4

PWR_EN

BUCK2

3.3

SYS_EN

3.0

SYS_EN

BUCK3

1.8

SYS_EN

1.8

SYS_EN

**Version-A LDO Tracking Disabled, Version-B LDO Tracking Enabled

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