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R1211D103C Datasheet(PDF) 3 Page - RICOH electronics devices division

Part # R1211D103C
Description  STEP-UP DC/DC CONTROLLER
PDF  40 Pages
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R1211D103C Datasheet(HTML) 3 Page - RICOH electronics devices division

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R1211x
3
PIN CONFIGURATIONS
SON-6
SOT-23-6W
Top View
Bottom View
13
6
2
54
31
4
2
56
64
5
13
2
EXT
GND
VIN
(MARK SIDE)
DELAY AMPOUT/CE
VFB
PIN DESCRIPTIONS
Pin No
Symbol
Pin Description
SON6
SOT23-6W
1
1
DELAY
Pin for External Capacitor
(for Setting Output Delay of Protection)
2
5
GND
Ground Pin
3
6
EXT
External FET Drive Pin (CMOS Output)
4
4
VIN
Power Supply Pin
5
3
VFB
Feedback Pin for monitoring Output Voltage
6
2
AMPOUT or CE
Amplifier Output Pin(A/C Version) or
Chip Enable Pin(B/D Version, Active at "H")
* Tab in the
parts have GND level. (They are connected to the reverse side of this IC.)
Do not connect to other wires or land patterns.
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
VIN
VIN Pin Voltage
6.5
V
VEXT
EXT Pin Output Voltage
−0.3 ~ VIN+0.3
V
VDLY
DELAY Pin Voltage
−0.3 ~ VIN+0.3
V
VAMP
AMPOUT Pin Voltage
−0.3 ~ VIN+0.3
V
VCE
CE Pin Input Voltage
−0.3 ~ VIN+0.3
V
VFB
VFB Pin Voltage
−0.3 ~ VIN+0.3
V
IAMP
AMPOUT Pin Current
±10
mA
IEXT
EXT Pin Inductor Drive Output Current
±50
mA
Power Dissipation (SOT-23-6W)*
430
PD
Power Dissipation (SON-6)*
500
mW
Topt
Operating Temperature Range
−40 ~ +85
°C
Tstg
Storage Temperature Range
−55 ~ +125
°C
* ) For Power Dissipation, please refer to PACKAGE INFORMATION to be described.



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