SC194BMLTRT Semtech, SC194BMLTRT Datasheet - Page 3

• 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

© 2006 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Quiescent Current
Shutdown Current
LX Leakage Current PMOS
LX Leakage Current NMOS
Oscillator Frequency
SYNC Frequency (upper)
SYNC Frequency (lower)
UVLO Threshold (upper)
UVLO Hysteresis
Thermal Shutdown
Thermal Shutdown Hysteresis
Logic Input High
Logic Input Low
Logic Input Current High
Logic Input Current Low
Symbol
V
T
f
f
SYNCU
V
SYNCL
UVLHYS
SD-HYS
f
I
I
T
V
I
V
OSC
LXP
LXN
I
I
I
SD
UVL
SD
IH
Q
IL
IH
IL
SYNC/PWM = GND, I
V
EN, SYNC/PWM, VID0, VID1, MODE
EN, SYNC/PWM, VID0, VID1, MODE
EN, SYNC/PWM, VID0, VID1, MODE
EN, SYNC/PWM, VID0, VID1, MODE
EN = GND, LX = OPEN, V
OUT
V
V
IN
IN
= 1.04 x V
= 3.6V, LX = GND, EN = GND
= 3.6V, LX = 3.6V, EN = GND
Conditions
V
V
V
3
OUT(Programmed)
IN
IN
IN
= 3.6V
= 3.6V
= 3.6V
OUT
, V
IN
IN
= 3.6V
= 0A,
= 3.6V
0.85
1.25
2.38
Min
1.6
-2
-2
-2
2.52
Typ
100
145
0.1
0.1
0.1
1.0
0.1
0.1
17
10
www.semtech.com
SC194B
Max
1.15
2.65
750
0.6
28
1
2
2
2
Units
MHz
MHz
kHz
mV
μA
μA
μA
μA
°C
°C
μA
μA
V
V
V