PWM/VFM step-down DC/DC Converter
51 6(5,(6
NO. EA-096-0212
OUTLINE
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APPLICATIONS
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1
R1224N
BLOCK DIAGRAM
*Fixed Output Voltage Type
OSC
V
IN
V
OUT
-
EXT
+
PWM/VFM
CONTROL
-
Amp
+
Vref
Soft Start
Protection
UVLO
Chip Enable
CE
+
-
Vref
GND
*Adjustable Output Voltage Type
OSC
V
IN
V
FB
-
EXT
+
-
Amp
+
Vref
Soft Start
Protection
UVLO
Chip Enable
CE
+
-
Vref
GND
2
R1224N
SELECTION GUIDE
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51[[[75
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Code
6HWWLQJ 2XWSXW 9ROWDJH 9
287
D
6WHSZLVH VHWWLQJ ZLWK D VWHS RI 9 LQ WKH UDQJH RI 9 WR 9 LV SRVVLEOH
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0 N+] ZLWKRXW D 3:09)0 DOWHUQDWLYH FLUFXLW
Contents
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3
R1224N
PIN CONFIGURATION
SOT-23-5
5
4
V
IN
(mark side)
CE
GND
EXT
V
OUT
(V
FB)
1
2
3
PIN DESCRIPTION
Pin No.
Symbol
&(
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9
287
9
)%
(;7
9
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Description
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ABSOLUTE MAXIMUM RATINGS
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Symbol
9
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9
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9
&(
9
287
9
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,
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3
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7RSW
7VWJ
Item
9
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9
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Unit
9
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4
R1224N
ELECTRICAL CHARACTERISTICS
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R1224Nxx2X (X=E/F/G/H/L/M) except R1224N102X
7RSW &
Symbol
9
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9
287
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Item
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9
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PV
PV
Conditions
Min.
9
6(7
×
9
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Typ.
Max.
9
6(7
×
Unit
9
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