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© 2004 Semtech Corp.

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SC4510

POWER MANAGEMENT

Absolute Maximum Ratings

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power Supply

Operating Current

No load on GDL and GDH

8

12

mA

Analog Supply Input

AVCC

VIN > 2.5V

4.75

16

V

Drive Supply Input

PVCC

VIN > 2.5V

4.75

16

V

Convertor Power Input

VIN

2.5

16

V

Undervoltage Lockout

Start Threshold

AVCC

MIN

4.2

4.5

4.7

V

UVLO Hysteresis

AVCC

HYST

0.2

V

Soft Start and Shudown

Charge Current

I

SSCHG

2

µA

Discharge Current

I

SSDIS

1

µA

Output Enable Threshold

V

ENTH

2.0

V

Shutdown Threshold

V

SSTH

0.6

V

Parameter

Symbol

Maximum

Units

BST, GDH to PGND

-0.3 to 32 (steady state)

V

-0.3 to 40

(for < 10ns @ freq. < 500kHz)

PVCC, AVCC, VIN, VPN, GDL to PGND

-0.3 to 16

V

PGND to AGND

±0.3

V

CS+ to AGND

-0.3 to AVCC

V

COMP, IN-, REFIN, REFOUT, ROSC, SS/EN to AGND

-0.3 to 6

V

REFIN and REFOUT to AGND

0 to 3.0

V

GDH Source or Sink Current

A

GDL Source or Sink Current

A

Storage Temperature Range

-60 to +150

°C

Junction Temperature

-40 to +125

°C

Lead Temperature ( Soldering ) 10 Sec.

260

°C

ESD Rating ( Human Body Model )

2

kV

Unless specified: T

Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in

the Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device

reliability.