SC194BMLTRT Semtech, SC194BMLTRT Datasheet - Page 12

• 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
Typical Characteristics
3.35
3.34
3.33
3.32
3.31
3.29
3.28
3.27
5.5
4.5
3.5
3.3
3.6
3.4
3.2
2.8
2.6
2.4
2.2
6
5
4
3
3
2
2.5
-50 -40 -30 -20 -10
2.5
V
PWM Mode
OUT
= 3.3V
Quiescent Current vs. Input Voltage
V
V
IN
IN
=5.0V,PWM
=5.0V,PSAVE
3
3
I
OUT
3.5
V
3.5
=500 mA(PWM)/50 mA(PSAVE)
OUT
0
vs. Temperature
V
V
V
T
V
V
OUT
OUT
OUT
OUT
A
=85
10
4
OUT
=3.3V,PSAVE
=2.5V,PSAVE
=2.5V,PWM
=3.3V,PWM
4
°
V
T
C
V
IN
A
IN
20
vs. V
(°C)
(V)
(V)
T
A
=25
4.5
4.5
30
°
C
IN
40
50
5
5
60
T
5.5
A
70
5.5
=-40
°
C
80
6
90
6
12
3.292
3.288
3.286
3.284
3.282
3.278
0.22
0.20
0.18
0.16
0.14
0.12
0.10
3.28
3.29
22
21
20
19
18
17
16
15
14
13
12
2.5
2.7
0
PSAVE Mode
Vin=5V, Vout=3.3V,PWM
Quiescent Current vs. Input Voltage
0.2
N-Channel R
3
3.2
0.4
3.5
Load Regulation
3.7
0.6
DSON
4
V
V
I
OUT
IN
IN
0.8
T
(V)
T
T
vs. Input Voltage
(V)
A
A
A
=-40
=85
=25
(A)
4.2
4.5
°
°
°
C
C
C
1
5
4.7
T
T
T
A
A
A
1.2
=85
=25
=-40
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SC194B
°
°
°
C
C
C
5.5
1.4
5.2
6
1.6