SC195ULTRT Semtech, SC195ULTRT Datasheet - Page 3

• Manufacturer Part Number: SC195ULTRT
• Description: IC BUCK ADJ .5A 8-MLPQ
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC195ULTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 3.3 V
• Current - Output: 500mA
• Frequency - Switching: 3.5MHz
• Voltage - Input: 2.9 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC195ULTR

Absolute Maximum Ratings
IN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
LX Voltage (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . .-1.0 to V
Other Pins (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to V
Output Short Circuit to GND . . . . . . . . . . . . . . . . Continuous
ESD Protection Level
Electrical Characteristics
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not recommended.
NOTES:
(1) Tested according to JEDEC standard JESD22-A114.
(2) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB per JESD51 standards.
Unless otherwise specified: V
Parameter
Output Voltage Range
Output Voltage Tolerance
Line Regulation
Load Regulation
Output Current Capability
Current Limit Threshold
Foldback Current Limit
Under-Voltage Lockout
Quiescent Current
Shutdown Current
LX Leakage Current
High Side Switch Resistance
Low Side Switch Resistance
(1)
(kV) . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5
(3)
(2)
IN
= 3.6V, C
IN
= 4.7µF, C
Symbol
ΔV
ΔV
OUT
V
R
R
I
V
OUT_TOL
V
DSON_N
I
FB_LIM
DSON_P
LOADREG
I
LIMIT
I
=10µF, L
LINEREG
OUT
UVLO
I
I
OUT
SD
LX
Q
X
=1µH, V
IN
IN
+ 0.3
+0.5
2.9 ≤ V
No switching, I
200mA ≤ I
OUT
IN
=1.8V, T
PSAVE mode
I
I
I
Condition
OUT
≤ 5.5V, I
OUT
OUT
Into LX pin
I
Hysteresis
V
Rising V
LOAD
Recommended Operating Conditions
Input Voltage Range (V) . . . . . . . . . . . . . . . . . . . . . +2.9 to +5.5
Operating Temperature Range (°C) . . . . . . . . . . -40 to +85
Thermal Information
Thermal Resistance, Junction to Ambient
Junction Temperature Range (°C) . . . . . . . . . . . -40 to +150
Storage Temperature Range (°C) . . . . . . . . . . . . -65 to +150
CTL 0-3
= 200mA
= 100mA
= 100mA
OUT
> I
= 0V
J(MAX)
LIMIT
OUT
≤ 500mA
OUT
IN
=125°C, T
= 200mA
= 0mA
A
= -40 to +85 °C. Typical values are T
Min
-2.0
500
800
0.8
Typ
150
200
250
350
1.5
0.3
0.1
0.1
38
-1
Max
(2)
3.3
1300
2.0
2.9
1.0
1.0
60
(°C/W) . . . . 116
(1)
A
=+25 °C
SC195
Units
%/V
%/A
mΩ
mA
mA
mA
mV
µA
µA
µA
%
V
V
3