SC1404 데이터 시트보기 (PDF) - Semtech Corporation

부품명

상세내역

제조사

SC1404

Mobile Multi-Output PWM Controller with Virtual Current Sense™

Semtech Corporation 

SC1404

POWER MANAGEMENT

Electrical Characteristics Cont.

Unless otherwise noted: V+ = 15V, both PWMs on, SYNC = 0V, VL load = 0mA, REF load = 0mA, PSAVE# = 0V, TA =-40 to 85°C.

Typical values are at TA = +25°C. Circuit = Typical Application Circuit

PARAMETER

CONDITIONS

MIN TYP

MAX

UNITS

Input Leakage Current

PSAVE#, ON5, SYNC

Input Leakage Current ON3

SEQ = REF

ON3 = 15V

-1

+1

µA

-2

+2

µA

Input Leakage Current SHDN#

SHDN# = 15V

-1

3

+10

µA

Logic Output Low Voltage

RESET#, ISINK = 4mA

0.4

V

Logic Output High Current

RESET# = 3.5V

1

mA

ON5 Pull-down Resistance

ON5, ON3 = 0V, SEQ = REF

100

ohms

Gate Driver Sink/Source Current

DL3, DH3, DL5, DH5, forced to 2.5V

1

A

Gate Driver On-Resistance

Non-Overlap Threshold

BST3 to DH3, DH3 to PHASE3,

BST5 to DH5, DH5 to PHASE5,

VL to DL3, DL3 to PGND,

VL to DL5, DL5 to PGND

PHASE3, PHASE5, to GND

1.5

7

ohms

1.0

V

Shoot-through (Non-Overlap)

Delay

DHx falling edge to DLx rising edge

DLx falling edge to DHx rising edge

(1V threshold on DHx and DLx,

no external capacitance on DLx or DHx)

12V LINEAR REGULATOR

10

17

25

nsec

35 75 115

VDD Shunt Threshold

Rising edge, hysteresis = 5%

17

21

V

VDD Shunt Current

VDD = 20V

5

10 30

mA

VDD Leakage Current

VDD = 5V, Standby mode

30

µA

12OUT Output Voltage

0mA < Load < 200mA

11.55 12.1 12.75 V

12OUT Current Limit

12OUT forced to 11V, VDD = 13V

200

mA

12OUT Regulation Threshold

Falling edge

11.9

V

Quiescent VDD Current

VDD = 18V, run mode, no 12OUT load

Notes:

(1) This device is ESD sensitive. Use of standard ESD handling procedures required.

(2) Applicable from 0 to +85°C.

 2004 Semtech Corp.

5

80 100

µA

www.semtech.com

Share Link: