SC4524SETRT Semtech, SC4524SETRT Datasheet - Page 17

• Manufacturer Part Number: SC4524SETRT
• Description: IC STEP-DWN SW REG 2A 30V 8-SOIC
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC4524SETRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 2A
• Frequency - Switching: 1.4MHz
• Voltage - Input: 2.8 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Power - Output: -
• Other names: SC4524SETR

POWER MANAGEMENT
Applications Information
2006 Semtech Corp.
G
G
MA
MA
R
R
5
O
R
R
G
1
1
Figure 11.
R
R
MP
2
2
R
R
R
Gain
2
OUT
2
Bode Plots of Control-to-Ouput, Output-to-Control and the Overall Loop
Gain. Control-to-output transfer function is shown with two poles near
half the switching frequency
R
O
1
C
5
Figure 10. Simplified Control Loop Equivalent Circuit
C6
p
1
V
IN
V
COMP
R5
C5
T
j (
)
R
5
1
RO
1.6M
C
5
Z
1
GMA =
280
GMP = 8
POWER
STAGE
R
-1
OUT
REFERENCE
-
+
n
VOLTAGE
C
1
p
-1
2
FB
1V
Control-to-Output
Transfer Function
C
C
17
S
1
n
.
R
OUT
C11
R1
R2
v
v
COMP
ESR
I
OUT
C1
OUT
C
R OUT
R
V OUT
5
1
C
6
p
3
2
S
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