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SC187 数据表(PDF) 9 Page - Semtech Corporation

部件名 SC187
功能描述  4A, 2.2MHz Synchronous Step-Down Regulator with 15 Preset Output Voltages
PDF  17 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC187 数据表(HTML) 9 Page - Semtech Corporation

Back Button SC187 Datasheet HTML 5Page - Semtech Corporation SC187 Datasheet HTML 6Page - Semtech Corporation SC187 Datasheet HTML 7Page - Semtech Corporation SC187 Datasheet HTML 8Page - Semtech Corporation SC187 Datasheet HTML 9Page - Semtech Corporation SC187 Datasheet HTML 10Page - Semtech Corporation SC187 Datasheet HTML 11Page - Semtech Corporation SC187 Datasheet HTML 12Page - Semtech Corporation SC187 Datasheet HTML 13Page - Semtech Corporation Next Button
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 9 / 17 page
background image
SC187
Start Up (CTL
X) — No Load
Start Up (CTL
X) — Full Load
Typical Characteristics (continued)
Circuit Conditions: C
IN = 22µF/6.3V, COUT = 2 x 22µF/6.3V, CSS = 10nF. Unless otherwise noted, L = 1.0µH (TOKO: FDV0530S-1R0).
Time (500ns�div)
s�div)
�div)
V
OUT (1V/div)
V
CTLx (5V/div)
I
OUT (5V/div)
V
IN = 5V, = IOUT = 4A; VOUT = 1.5V
PGOOD (5V/div)
V
IN = 5.0V
I
OUT = 0A
Mode= Hi
Ch1:V
EN
Ch2: I
OUT
Ch3: V
OUT
Ch4: PGood
V
IN = 5.0V
I
OUT = 0A
Mode= Hi
Ch1:V
EN
Ch2: I
OUT
Ch3: V
OUT
Ch4: PGood
Start Up (CTL
X) — No Load
Start Up into Pre-Biased Output (V
OUT=1.5V)
Start Up into Pre-Biased Output (V
OUT=3.3V)
Time (500ns�div)
s�div)
�div)
V
OUT (1V/div)
V
CTLx (5V/div)
I
OUT (5V/div)
PGOOD (5V/div)
Time (500ns�div)
s�div)
�div)
V
OUT (2V/div)
V
CTLx (5V/div)
I
OUT (5V/div)
PGOOD (5V/div)
Time (500µs�div)
s�div)
�div)
V
OUT (2V/div)
V
CTLx (5V/div)
I
OUT (5A/div)
PGOOD (5V/div)
V
IN = 5V, = IOUT = 0; VOUT = 3.3V
Start Up (CTL
X) — Full Load
9



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