XC6404 Datasheet, PDF (27/54 Pages) Torex Semiconductor – High Current, High Speed LDO Regulators, Voltage Detector Function

XC6404 Series
High Current, High Speed LDO Regulators, Voltage Detector Function
! TIMING CHART
" Using the VD output level signal as the reset signal of T-FF (VD Sense = VIN PIN)
Lithium Ion
4.2V
A # VIN PIN
VSS
Vol tag e
Intrenal IC Response Time
VROUT
E # VROUT PIN ^Voltage
About 20usec
VSS
Internal IC Response Time
About 20usec
VIN
D ^{# Toggle Signal}
VSS
B ^{# T-FF Reset Signal}
F Pull-up
# VDOUT PIN Voltage
Detect L
VSS
Reset Signal (VD Comp
Output Signal)
Release Voltage
Detect Voltage
Internal IC Response TIme
About 20usec
" Changing the VD output level signal into a one shot pulse to use T-FF as the reset signal (VD Sense = VIN PIN)
Lithium Ion Voltage
4.2V
A # VIN PIN
VSS
Intrenal IC Response Time
About 20usec
VROUT
Voltage
E # VROUT PIN
VSS
Internal IC Response Time
About 20usec
Internal IC Response Time
About 20usec
Release Voltage
Detect Voltage
Internal IC Response TIme
About 20usec
VIN
D ^{# Toggle Signal}
.
VSS
C ^{# T-FF Reset Signal}
Pull-up
Voltage
F # VDOUT PIN
Detect L
VSS
Reset Signal (1 Shot Pulse)
" Changing the VD output level signal into a one shot pulse to use T-FF as the reset signal (VD Sense = VROUT PIN)
Lithium Ion Voltage
4.2V
A ^{# VIN PIN}
VSS
Intrenal IC Response Time
VROUT
Voltage
E # VROUT PIN
About 20usec
VSS
VIN
D ^{# Toggle Signal}
VSS
Internal IC Response Time
About 20u sec
Internal IC Response TIme
About 20u sec
C ^{# T-FF Reset Signal}
Pull-up
Voltage
F # VDOUT PIN
Detect L _VSS
Reset Signal ( 1 Shot Pulse)
The circled letters correspond to those shown on the block diagram on page 26.
Internal IC Response TIme
About 20u sec
Release Voltage
Detect Voltage
Semiconductor Ltd.
Data Sheet
27