SC173MLTRT Semtech, SC173MLTRT Datasheet - Page 4

• Manufacturer Part Number: SC173MLTRT
• Description: IC BUCK SYNC ADJ 3A MLPD-10
• Manufacturer: Semtech
• Series: EcoSpeed™r
• Type: Step-Down (Buck)r

Specifications of SC173MLTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.75 ~ 5.23 V
• Current - Output: 3A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MLPD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC173MLTR

Electrical Characteristics (continued)
Unless specified: V
© 2010 Semtech Corporation
Parameter
Soft start
Soft start Time
Ultrasonic Power Save
Zero-Crossing Detector Threshold
Ultrasonic Power Save Frequency
Power Good
Fault Protection
Power Good Threshold
PGOOD Delay Time
Noise Immunity Delay Time
Leakage
Power Good On-Resistance
Output Under-Voltage Fault
Output Over-Voltage Fault
Smart PowerSave
Protection Threshold
OV, UV Fault Noise Immunity Delay
Over-Temperature Shutdown
Timing
On-Time
Minimum On-Time
Minimum Off-Time
(1)
IN
=5V, T
(1)
(1)
(1)
A
=+25°C for Typ, -40°C to +85°C for Min and Max, T
Symbol
Delay from PWM Switching to Output
Power Good Signal Threshold High
Power Good Signal Threshold Low
V
IN
=5V, V
FB with Respect to REF,
FB with Respect to REF
FB with Respect to REF
8 Consecutive Clocks
Continuous Mode
Conditions
OT Latched
Regulation
LX - PGND
OUT
VDD=3V
VDD=5V
=3V, R
J
< 125°C
TON
=200kΩ
Min
116
+16
2.7
-30
+7
86
Typ
+20
+10
250
850
120
150
-25
80
25
90
10
3
0
1
2
5
5
Max
+24
+13
124
3.3
-20
93
20
1
Units
%V
kHz
mV
ms
µA
μ
ns
ns
μs
µs
μs
°C
Ω
%
%
%
s
OUT
4