SC2544 데이터 시트보기 (PDF) - Semtech Corporation
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SC2544 Datasheet PDF : 24 Pages
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SC2544
POWER MANAGEMENT
Electrical Characteristics
( C o n t . ) Unless specified: TA = 25oC, VIN=16V, Fs=200KHz
Parameter
Driver
DRVH1, DRVH2 Drive Current
DRVL1, DRVL2 Drive Current
Gate Drive Rise Time (10% to 90%)
Gate Drive Fall Time (90% to 10%)
Dead Time
OVP
OVP Threshold Voltage
Power good
Threshold Voltage
Threshold Voltage
Power Good Pull Down
Note:
(1) Guaranteed by design.
Pin Configurations
Top View
FB 1
1 24
19
ER R O U T1
SS1
IL IM 1
B ST1
DRVH1
7
13
Test Conditions
Min
Typ
Max Units
Source/Sink
Source/Sink
Vcc=10V, COUT = 1000pF
Vcc=10V, COUT = 1000pF
0.5
A
0.5
A
30
nS
30
nS
80
nS
Feedback voltage
0.89
V
FB1 & FB2 rising
FB1 & FB2 falling
Sink 1mA
0.675
V
0.57
V
0.4
V
Ordering Information
Part Number
SC2544TSTRT(1),(2)
Package
TSSOP-24
Temp. Range (TA)
-40oC to +85oC
SC2544MLTRT(1),(2) MLPQ-24
-40oC to +85oC
Notes:
(1) Only available in tape and reel packaging. A reel
contains 2500 devices.
(2) Lead free package. Device is fully WEEE and RoHS compiant.
FB 2
ER R O U T2
SS2
IL IM 2
B ST2
DRVH2
V IN
VC C
EN
FB 1
ER R O U T1
SS1
IL IM 1
B ST1
D R VH 1
PH ASE1
D R VL1
PG ND
Top View
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
AG ND
RO SC
PW RG D
FB 2
ER R O U T2
SS2
IL IM 2
B ST2
D R VH 2
PH ASE2
D R VL2
PVCC
2005 Semtech Corp.
MLPQ-24
24 PIN TSSOP
4
www.semtech.com
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