SC1110TSTRT データシートの表示（PDF） - Semtech Corporation

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SC1110TSTRT

Sink and Source DC/DC Controller for Termination Power Supply Applications

Semtech Corporation 

SC1110

POWER MANAGEMENT

Absolute Maximum Ratings

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

Maximum

Units

VCC, BSTL to GND

PGND to GND

VIN

-0.5 to 14

+0.5

PHASE to GND

-0.3 to 18

BSTH to PHASE

14

Thermal Impedance Junction to Case

Thermal Resistance Junction to Ambient

Operating Temperature Range

Storage Temperature Range

Lead Temperature (Soldering) 10 Sec.

ESD Rating (Human Body Model)

θJC

θJA

TA

TSTG

TLEAD

VESD

45

115

0 to 70

-65 to +150

300

2

Electrical Characteristics

Unless specified: VCC = 4.75V to 12.6V; GND = PGND = 0V; FB = VO; VBSTL = 12V; V = BSTH-PHASE 12V; TJ = 25oC

Parameter

Conditions

Min

Typ

V

V

V

V

°C/W

°C/W

°C

°C

°C

kV

Max

Units

Power Supply

Supply Voltage

Supply Current

VCC

4.4

12.6

V

8

12

mA

Line Regulation

VO = 2.5V ± 0.5V, VO = VIN/2 @ 0A

0.5

%

Under Voltage Lockout

Turn-On Threshold

4.15

V

Turn-Off Threshold

3.95

V

Error Amplifier

Transconductance

2

mS

Open Loop DC Gain

50

dB

Bandwidth - 3dB

(Unity gain crossover 70MHz)

500

kHz

COMP Source Capability

±250

µA

Input Bias

2

5

µA

Oscillator

Oscillator Frequency

225

250

275

kHz

Oscillator Max Duty Cycle

90

95

%

Ramp Height

 2004 Semtech Corp.

1

V

2

www.semtech.com

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