xc9509c03cdr TOREX SEMICONDUCTOR LTD., xc9509c03cdr Datasheet - Page 3

• Manufacturer Part Number: xc9509c03cdr
• Description: Xc9509 Synchronous Step-down Dc/dc Converter With Built-in Ldo Regulator In Parallel Plus Voltage Detector
• Manufacturer: TOREX SEMICONDUCTOR LTD.

■BLOCK DIAGRAM
■ABSOLUTE MAXIMUM RATINGS
(*) When PC board mounted.
Power Dissipation
Lx Pin Current
Operating Temperature Range
Storage Temperature Range
MODE Pin Voltage
D
V
V
V
V
P
A
ROUT
ROUT
DOUT
DCOUT
COUT
DOUT
VDOUT
CE Pin Voltage
Lx Pin Voltage
VDD
VDD
PARAMETER
AVDD
CE
Pin Voltage
Pin Voltage
Pin Voltage
Pin Current
Pin Voltage
Pin Current
Pin Voltage
U.V .L.O
MSOP-10
MSOP-10
USP-10
USP-10
ON/OFF
Control
sof t start
V ref w ith
+
-
each circuit
SYMBOL
+
-
MODE
D
V
V
* Diodes shown in the above circuit are protective diodes.
I
A
P
ROUT
Topr
Tstg
ROUT
DOUT
COUT
CE
I
+
Pd
VDD
VDD
Lx
I
-
VD
Lx
Compensation
PW M/ PFM
Controller
Phase
Vref
S ENS E
(V DD or DCOUT or V ROUT)
A
VDD
- 0.3 ~ A
- 0.3 ~ A
- 0.3 ~ A
- 0.3 ~ A
- 0.3 ~ A
- 0.3 ~ A
+
-
- 0.3 ~ A
- 55 ~ + 125
- 40 ~ + 85
- 0.3 ~ 6.5
RATINGS
Limit & Feedback
350 (*)
1300
Ramp Wave
800
900
150
Generator,
50
logic
Current
VDD
VDD
VDD
VDD
VDD
VDD
Current
OSC
Limit
each circuit
VDD
+ 0.3
+ 0.3
+ 0.3
+ 0.3
+ 0.3
+ 0.3
+ 0.3
Buf f er,
Driver
+
-
Vref
Control
MODE
Ta = 25℃
UNIT
mW
mA
mA
mA
℃
℃
V
V
V
V
V
V
V
V
PGND
MODE
VROUT
PVDD
AGND
LX
XC9509
Series
3/41