XC9128/XC9129
Series
■FUNCTION CHART
1. EN, AEN/ Pin Function
●XC9128 Series
FB PIN VOLTAGE
-
EN PIN
L→H
H
AEN/ PIN
L
IC OPERATIONAL STATE
SOFT-START FUNCTION
Available
Operation
Operation
H→L
H→L
Lower than 0.45×0.8V
Higher than 0.45×0.95V
Available
H
Operation
Not Available
Step-Up Operation
Shut-Down
Disable
H
H
-
-
-
-
L
L
L
-
-
H
Disable
* Do not leave the EN and AEN/ Pins open.
●XC9129 Series
EN PIN
IC OPERATIONAL STATE
Operation
H
L
Disable
* Do not leave the EN Pin open.
2. MODE Pin Function
●XC9128/XC9129 Series
MODE PIN
H
FUNCTION
PWM Control
L
PWM/PFM Automatic Switching Control
■PRODUCT CLASSIFICATION
●Ordering Information
XC9128①②③④⑤⑥-⑦ *1)・・・・ MSOP-10, USP-10B
XC9129①②③④⑤⑥-⑦ *1)・・・・ USP-10B
SOP-8 (Under Development)
DESIGNATOR
DESCRIPTION
SYMBOL
B
DESCRIPTION
Transistor Built-In,
Output Voltage Freely Set (FB voltage),
Integral Protection Type
With integral protection
①
D
Without integral protection
Fixed reference voltage 0.45Ｖ
②=4, ③=5
②③
④
Reference Voltage
45
Oscillation Frequency
C
1.2MHz
AR
MSOP-10
AR-G
DR
MSOP-10 (Halogen & Antimony free)
USP-10B
Packages
Taping Type (*2)
⑤⑥-⑦
DR-G
SR
USP-10B (Halogen & Antimony free)
SOP-8 (under development)
(*1)
(*2)
The “-G” suffix indicates that the products are Halogen and Antimony free as well as being fully RoHS compliant.
The device orientation is fixed in its embossed tape pocket. For reverse orientation, please contact your local Torex sales office or
representative. (Standard orientation: ⑤R-⑦, Reverse orientation: ⑤L-⑦)
3/13
TOREX [ Torex Semiconductor ]
