SC189CSKTRT Semtech, SC189CSKTRT Datasheet - Page 4

• Manufacturer Part Number: SC189CSKTRT
• Description: IC BUCK 1.2V 1.5A SOT23-5
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC189CSKTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 1.5A
• Frequency - Switching: 2.5MHz
• Voltage - Input: 2.9 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC189CSKTR

© 2009 Semtech Corp.
Electrical Characteristics (continued)
Unless specified: V
Notes:
(1)
(2) Guaranteed by design.
Parameter
EN Input Low Current
EN Input High Threshold
EN Input Low Threshold
VOUT Over Voltage Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
The “Output Voltage Tolerance” includes output voltage accuracy, voltage drift over temperature and the line regulation.
IN
= 5.0V, C
IN
=10µF, C
(2)
(2)
(2)
OUT
Symbol
=10µF; L=2.2µH; -40°C<T
T
V
V
I
V
SD_HYS
EN_LO
T
EN_LO
EN_HI
OVP
SD
A
<+85 °C; T
Junction Temperature
Junction Temperature
4
Conditions
EN=GND
J(MAX)
=125°C; Unless otherwise noted typical values are T
Min
-2.0
1.2
+160
Typ
115
10
www.semtech.com
Max
2.0
0.4
SC189
A
=+25 °C.
Units
µA
%
°C
°C
V
V