SC189ASKTRT Semtech, SC189ASKTRT Datasheet - Page 2

• Manufacturer Part Number: SC189ASKTRT
• Description: 2.5MHz, 1.5A Synchronous Step Down Regulator In SOT-23_5
• Manufacturer: Semtech

© 2009 Semtech Corp.
Pin Configuration
Marking Information
Marking for SOT23, 5 Lead Package:
x = Code of the output voltage (Example: C for VOUT=1.20V)
yyww = Datecode (Example: 0852)
Marking for 2mm x 2mm MLPD-UT 6 Lead Package:
x = Code of the output voltage (Example: C for VOUT=1.20V)
oyw = Pin 1 and Datecode (Reference Package Marking Design
Guidelines, Appendix A)
189
Top Mark
2mm x 2mm x 0.6mm MLPD-UT6
GND
VIN
NC
VIN
EN
EN
x
1
2
3
1
2
3
θ
θ
JA
JA
SOT23-5
FLx
TOP VIEW
= 60°C/W
= 90°C/W
TOP VIEW
T
(1)
(1)
5
4
6
5
4
Bottom Mark
LX
VOUT
VOUT
GND
LX
2
Ordering Information
Table 1: Available Output Voltages
Notes:
(1) Contact factory for unavaliable output voltage options.
Notes:
(1) Measured in free convection, mounted on 10mm x 10mm, 2 layer
(2) Available in tape and reel only. A reel contains 3,000 devices.
(3) Available in lead-free package only. Device is WEEE and RoHS
(4) “x” is the code of the output voltage. See Table 1 for the code. For
(5) “x” is the code of the output voltage. See Table 1 for the code.
SC189xULTRT
SC189xSKTRT
for MLPD-UT6
SC189xEVB-1
SC189xEVB-2
SC189xEVB-3
Not Available
SC189xEVB
FR4 PCB shown in figure 7 ( for MLPD-UT6 package) and figure 8 (
for SOT23-5 package) with copper of 1oz for each layer.
compliant.
example, the device number for VOUT= 1.20V is SC189CULTRT.
For example, the EVB for MLPD-UT6 package with VOUT= 1.20V is
SC189CEVB (Standard Size) or SC189CEVB-1 (Small Size).
Code
Device
A
H
N
B
C
T
Z
E
F
L
(2)(3)(4)
2)(3)(4)
(5)
(5)
(5)
(5)
for SOT23-5
Not Available
Not Available
Not Available
Code
2mm x 2mm x 0.6mm MLPD-UT6
Evaluation Board for MLPD-UT6
Evaluation Board for MLPD-UT6
A
H
B
C
Y
V
Z
L
Evaluation Board for SOT23-5
Evaluation Board for SOT23-5
(i.e., Wire Wound Inductor)
(i.e., Wire Wound Inductor)
Package & Description
(i.e., Chip Inductor)
(i.e., Chip Inductor)
- Standard Size
- Standard Size
- Small Size
- Small Size
SOT23-5
www.semtech.com
VOUT
1.00
1.10
1.20
1.28
1.30
1.50
1.80
2.00
2.50
2.70
3.30
SC189
(1)