TYPE TOREX SEMICONDUCTOR LTD., TYPE Datasheet - Page 15

• Manufacturer Part Number: TYPE
• Description: Xc6402 High Speed, Large Current Ldo Regulators With Voltage Detector Function
• Manufacturer: TOREX SEMICONDUCTOR LTD.

■OPERATIONAL EXPLANATION (Continued)
■NOTES ON USE
<EN Pin>
The IC's internal regulator circuitry can be shut down via the signal from the EN pin with the XC6402C series. In shutdown
mode, output at the V
the XC6402C series are 'High Active / No Pull-Down' and XC6402*R to U types of the XC6402C series are 'Active LOW / No
Pull-Up', operations will become unstable with the EN pin open (See the chart below).
We suggest that you use this IC with either a V
correct specifications for the EN pin, the IC will operate normally. However, supply current may increase as a result of
through current in the IC's internal circuitry if a voltage other than V
1. Please use this IC within the stated absolute maximum ratings. The IC is liable to malfunction should the ratings be
2. Where wiring impedance is high, operations may become unstable due to noise and/or phase lag depending on output
3. Please wire the input capacitor (C
exceeded.
current. Please strengthen V
Should rapid input fluctuation or load fluctuation occur, please increase the capacitor value such as C
the operation.
ROUT
pin will be pulled down to the V
XC6402C R ~ U
XC6402C E ~ K
XC6402C A ~ D
XC6402C L ~ P
IN
SERIES
and V
IN
) and the output capacitor (C
SS
wiring in particular.
IN
voltage or a V
High Active with no pull-down resistor
High Active with pull-down resistor
Low Active with no pull-up resistor
Low Active with pull-up resistor
SS
level via R1 & R2. Note that as the XC6402*E to K types of
EN INPUT LOGIC
SS
L
IN
) as close to the IC as possible.
voltage input at the EN pin. If this IC is used with the
or V
SS
is applied.
IN
or C
L
to stabilize
XC6402
15/31
Series