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© 2003 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC1211

Electrical Characteristics

Absolute Maximum Ratings

Unless specified: T

A

= 25°C; V

IN

= 12V; V

REG

= 8.5V

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Power Supply

Supply Voltage

V

I N

9

12

15

V

Quiescent Current, Operating

Iq_op

3.0

mA

Under Voltage Lockout

Start Threshold of V

V

REG_START

4

4.3

V

Hysteresis

Vhys

UVLO

160

mV

Internal LDO

LDO Output

V

REG

V

8.5

V

Drop Out Voltage

V

DROP

V

0.3

V

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.

Parameter

Symbol

Conditions

Maximum

Units

V

V

I N

16

V

BST to DRN

V

BST-DRN

11

V

BST to PGND

V

BST-PGND

40

V

BST to PGND Pulse

V

BST-PULSE

t

45

V

DRN to PGND

V

DRN-PGND

-2 to 30

V

DRN to PGND Pulse

V

DRN-PULSE

t

-5 to 35

V

VPN to PGND

V

PN

16

V

VPN to PGND Pulse

V

PN-PULSE

t

20

V

PWM Input

CO

-0.3 to 8.5

V

Continuous Power Dissipation

P

D

T

A

= 25°C, T

J

=125°C

2.56

W

Thermal Resistance Junction to Case

θ

JC

8

°C/W

Operating Junction Temperature Range

T

J

0 to +125

°C

Storage Temperature Range

T

STG

-65 to +150

°C

Lead Temperature (Soldering) 10 Sec.

T

LEAD

300

°C