Overcurrent Detection Delay Time/Minimum CTL High Time (LATCH = “H”)
ITH
IOUT
µPD16876
VOUT
FLG
tOVER tSRISE
(Internal time)
90%
CTL
tCTL
10%
10%
FUNCTIONAL DESCRIPTION REFERENCE TABLE
Function
Characteristics
Overcurrent detection
Under voltage lockout
circuit (UVLO)
Overcurrent detection
Threshold
Overcurrent detection
delay time
Slow-start repeat time
UVLO operating voltage
Operation when power is Output rise time
turned on/off
Output fall time
Thermal shutdown
circuit
Thermal shutdown circuit
operating temperature
Reference Value
(TYP.)
0.9 A
20 µs
5 ms
VDD L→H 2.5 V
VDD H→L 2.3 V
tRISE
5 ms
tFALL
1 µs
150°C or higher
Refer to:
p.8 1. Overcurrent detection
p.8 1. Overcurrent detection
p.11 On Detection of Overcurrent
p.11 On Detection of Overcurrent
p.8 2. Under Voltage Lockout Circuit (UVLO)
p.9 3. Behavior When Power Is Turned
ON/OFF
p.12 When Thermal Shutdown Circuit Operates
Data Sheet S14288EJ1V0DS
7