Datasheet

L
Error Amp.
+
_
-
+
V
IN
EN
GateDrive
Softstart
Control
Logic
Thermal
Shutdown
Undervoltage
Lockout
Current
Sense
R
1
R
2
Int.
Resistor
Network
V
REF
GND
GND
FB
V
OUT
1 Hm
V
IN
C
IN
C
OUT
4.7 Fm
V
OUT
5 V
L
2.2 Fm
L
VIN
EN
VOUT
FB
GND
TPS61240
TPS61240, TPS61241
www.ti.com SLVS806B –APRIL 2009– REVISED FEBRUARY 2012
FUNCTIONAL BLOCK DIAGRAM
PARAMETER MEASUREMENT INFORMATION
List of Components
COMPONENT PART NUMBER MANUFACTURER VALUE
REFERENCE
C
IN
JMK105BJ225MV Taiyo Yuden 2.2 μF, X5R, 6.3 V, 0402
C
OUT
JDK105BJ475MV Taiyo Yuden 4.7 μF, X5R, 6.3 V, 0402
L MDT2012-CH1R0AN TOKO 1.0 μH, 900mA, 0805
Copyright © 2009–2012, Texas Instruments Incorporated 5