SC194BMLTRT Semtech, SC194BMLTRT Datasheet - Page 2

• Manufacturer Part Number: SC194BMLTRT
• Description: IC SYNC BUCK CONV 1A 10-MLP
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC194BMLTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 1A
• Frequency - Switching: 1MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC194BMLTR

Exceeding the specifi cations below may result in permanent damage to the device or device malfunction. Operation outside of the parameters specifi ed in the
Electrical Characteristics section is not recommended.
Note:
(1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
(2) Tested according to JEDEC standard JESD22-A114-B.
Unless otherwise noted: V
© 2006 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics
Absolute Maximum Ratings
Parameter
Input Supply Voltage
Logic Inputs
(SYNC/PWM, EN, MODE, VID0, VID1)
Output Voltage
LX Voltage
Thermal Impedance Junction to Ambient
VOUT Short-Circuit to GND
Operating Ambient Temperature Range
Storage Temperature
Junction Temperature
Peak IR Refl ow Temperature
ESD Protection Level
Parameter
Input Voltage Range
VOUT Accuracy
VOUT Temperature Accuracy
Line Regulation
Load Regulation (PWM)
PSAVE Regulation
P-Channel On Resistance
N-Channel On Resistance
Start-Up Time
P-Channel Current Limit
IN
= 5V ,V
(2)
OUT
= 3.3V, EN = V
Symbol
V
V
V
T
OUT LOAD
V
I
R
R
OUT PSAVE
OUT LINE
LIM(P)
START
V
OUT(T)
DSN
DSP
V
OUT
IN
IN
, SYNC/PWM = V
(1)
SYNC/PWM = GND, C
V
I
I
OUT
IN
OUT
= 2.7V to 5.5V, V
IN
V
Symbol
I
I
, MODE = V
= 0.5A, T
LX
LX
= 0.5A, T
I
V
OUT
OUT
V
V
V
V
V
T
θ
IN
= 100mA, V
= 100mA, V
V
t
T
T
T
OUT
SC
ESD
IN
LX
JA
JC
I
IN
N
A
S
P
= 2.5/3.0/3.3/3.6V
> V
OUT
= 0.5A, T
Conditions
= 2.7V to 5.5V
2
OUT
= 0A to 1A
IN
A
A
, T
=-40°C to 85°C
=-40°C to 85°C
+ dropout
A
= -40 to 85°C. Typical values are at T
A
IN
IN
= 25°C
OUT
=3.6V
=3.6V
OUT
= 2.5V,
=22μF
-0.3 to V
-0.3 to V
-1 to V
Continuous
-60 to +160
-40 to +150
Maximum
-40 to +85
-0.3 to 7
IN
IN
IN
1.33
Min
2.7
260
+0.3, 7V Max
+0.3, 7V Max
+1, 7V Max
40
2
A
0.275
0.165
=25°C.
±0.3
±0.4
±0.3
+1.3
Typ
-0.3
1.9
www.semtech.com
SC194B
±0.65
±0.65
+1.6
Max
±0.7
2.47
-0.6
5.5
±1
5
Units
°C/W
kV
°C
°C
°C
°C
V
V
V
V
s
Units
ms
%
%
%
%
%
V
Ω
Ω
A