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XCM519AB02DR Datasheet(PDF) 9 Page - Torex Semiconductor

Part # XCM519AB02DR
Description  600mA Synchronous Step-Down DC/DC Converter Low Voltage Input LDO
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XCM519AB02DR Datasheet(HTML) 9 Page - Torex Semiconductor

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XCM519
Series
■ELECTRICAL CHARACTERISTICS (Continued)
●PFM Switching Current (IPFM) by Oscillation Frequency and Output Voltage
1.2MHz
(mA)
SETTING VOLTAGE
MIN.
TYP.
MAX.
VDCOUT(E)≦1.2V
140
180
240
1.2V<VDCOUT(E)≦1.75V
130
170
220
1.8V≦VDCOUT(E)
120
160
200
3.0MHz
(mA)
SETTING VOLTAGE
MIN.
TYP.
MAX.
VDCOUT(E)≦1.2V
190
260
350
1.2V<VDCOUT(E)≦1.75V
180
240
300
1.8V≦VDCOUT(E)
170
220
270
●Measuring Maximum IPFM Limit, VIN Voltage
fOSC
1.2MHz
3.0MHz
(C-1)
VDCOUT(E)+0.5V
VDCOUT(E)+1.0V
Minimum operating voltage is 2.7V
ex.) Although when VDCOUT(E)=1.2V, fOSC=1.2MHz, (C-1)=1.7V the (C-1) becomes 2.7V because of the minimum operating voltage 2.7V.
●Soft-Start Time Chart (XCM519xC/ XCM519xD Series Only)
PRODUCT SERIES
fOSC
OUTPUT VOLTAGE
MIN.
TYP.
MAX.
1200kHz
0.8≦VDCOUT(E)<1.5
-
250
400μs
1200kHz
1.5≦VDCOUT(E)<1.8
-
320
500μs
1200kHz
1.8≦VDCOUT(E)<2.5
-
250
400μs
XCM519AC
1200kHz
2.5≦VDCOUT(E)<4.0
-
320
500μs
1200kHz
0.8≦VDCOUT(E)<2.5
-
250
400μs
XCM519BC
1200kHz
2.5≦VDCOUT(E)<4.0
-
320
500μs
3000kHz
0.8≦VDCOUT(E)<1.8
-
250
400μs
XCM519xD
3000kHz
1.8≦VDCOUT(E)<4.0
-
320
500μs


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