SC4524DSETRT Semtech, SC4524DSETRT Datasheet - Page 17

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SC4524DSETRT

Manufacturer Part Number
SC4524DSETRT
Description
IC, DC-DC CONV, 2MHz, 8-SOIC
Manufacturer
Semtech
Series
-r
Type
Step-Down (Buck), PWM - Current Moder
Datasheets

Specifications of SC4524DSETRT

Primary Input Voltage
30V
No. Of Outputs
1
Output Voltage
30V
Output Current
2A
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Switching Frequency Max
2MHz
Package / Case
8-SOIC
Rohs Compliant
Yes
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1 V ~ 17.28 V
Current - Output
2A
Frequency - Switching
300kHz ~ 1.3MHz
Voltage - Input
3 V ~ 18 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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SC4524

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