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33730 데이터시트(PDF) 11 Page - Freescale Semiconductor, Inc

부품명 33730
상세설명  SWITCHING POWER SUPPLY
PDF  27 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33730 데이터시트(HTML) 11 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
11
33730
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics
Characteristics noted under conditions 6.0V
≤ KA_VBAT = VBAT ≤ 26.5V, -40°C ≤ TA ≤ 125°C using the typical application
circuit, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Power On Reset Delay Time (HR Timer) (see Table 7)
tD_POR
0
—
56
ms
(Time to RESET up after Regulator in regulation)
Power On Reset Delay Time (HR Timer) Accuracy(10)
-5.0
—
+5.0
%
Programming Pin Latching Delay(10)
tLD_P
—
500
—
µs
SWITCHING REGULATOR
Oscillator Frequency (Switching Freq.) Range - Adjustable (Figure 4)
Freq
100
—
500
kHz
Oscillator Frequency Tolerance at 100kHz (FREQ Pin Open)
fTOL
90
—
110
kHz
SW Node Rise Time, VBAT = KA_VBAT = 14V, ISW = 500mA
(10)
SR pin shorted to SW pin
tSW_R
20
ns
SR pin open
12
ns
SR pin shorted to BOOT pin
9
ns
SW Node Fall Time, VBAT = KA_VBAT = 14V, ISW = 500mA(10)
SR pin shorted to SW pin
tSW_F
TBD
ns
SR pin open
TBD
ns
SR pin shorted to BOOT pin
TBD
ns
Notes
10.
Guaranteed by design.



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