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SC2447TSTRT 데이터시트(PDF) 9 Page - Semtech Corporation

부품명 SC2447TSTRT
상세설명  Dual-Phase, Single or Dual Output Synchronous Step-Down Controller
PDF  26 Pages
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제조업체  SEMTECH [Semtech Corporation]
홈페이지  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2447TSTRT 데이터시트(HTML) 9 Page - Semtech Corporation

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© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC2447
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Typical Application Circuit Performance
Circuit Conditions: 2-Phase Configuration as in Figure 17, V
IN = 12V, VOUT = 1.2V, ROSC = 51.1kΩ, SYNC = 0, and TA = 25°C.
V
OUT
0.5V/div
V
SS1/EN1
2V/div
I
OUT
20A/div
Soft-Start Up
10ms/div
V
OUT
0.5V/div
V
SS1/EN1
2V/div
Pre-biased Start Up (V
OUT)
10ms/div
I
OUT=0A
I
OUT
20A/div
V
OUT
0.5V/div
V
SS1/EN1
5V/div
Shutdown (V
OUT)
R
OUT2=1Ω
V
GDL1
5V/div
I
OUT
1A/div
200
µs/div
V
OUT
20mV/div
Output Voltage Ripple (V
OUT)
1
µs/DIV
I
OUT2=50A
I
OUT
50A/div
V
SW2
10V/div
V
SW1
10V/div
V
OUT
0.1V/div
Load Transient Response (V
OUT)
200
µs/div
I
OUT2=40A to 50A
I
OUT
10A/div
V
OUT
0.5V/div
Overload Hiccup (V
OUT)
50ms/div
V
SS1/EN1
2V/div
I
OUT
50A/div
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