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SC2463TSTRT

High Performance Quad Output Switching Regulator

Semtech Corporation 

SC2463

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified:

V = 12V, PVCC = AVCC = 5V, fs = 600KHz, SS/SHDN = 5V, SYNC = 0V,

IN

TA

=

T

J

=

-40°C

to

105°C

Parameter

Test Conditions

Min

Typ

Duty Cycle

PWM 1 Maximum Duty Cycle

80

fs = 100kHz to 700kHz

PWM 2 Maximum Duty Cycle

80

PWM 1 & 2 Minimum On Time

fs = 100kHz to 700kHz

50

Current Limit

CH1& 2 ILIM Set Voltage

Temperature Coefficient

of ILIM Set Voltage

TJ = 25°C

1.8

2

1.7

Soft Start/Shut Down

Charge Current

5

10

Discharge Current

1

Disable Switching Threshold

Voltage

0.45

0.5

Disable BDI Regulator Threshold

Voltage

0.28

0.34

Disable Low to Shut Down

50

Output

Gate Drive On-Resistance(H)

ISOURCE=15mA

2

Gate Drive On-Resistance(L)

ISINK=15mA

2

Rise Time(H)

COUT = 1000pF

15

Fall Time(H)

COUT = 1000pF

25

Rise Time(L)

COUT = 1000pF

15

Fall Time(L)

COUT = 1000pF

15

Power Good

FB1 & FB2 Trip Level above FB

10

Hysteresis

1

FB1 & FB2 Trip Level below FB

-10

Hysteresis

1

PWR OK Output Low Level

Pullup resistor = 10K

0.4

PWR OK Output High Leakage

Pullup resistor = 10K

Max Units

%

nS

2.2

V

mV/°C

15

µA

mA

0.6

V

V

µS

5

Ω

5

Ω

nS

nS

nS

nS

%

%

%

%

0.7

V

30

µA

 2007 Semtech Corp.

4

www.semtech.com

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