PM6675S Просмотр технического описания (PDF) - STMicroelectronics
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PM6675S Datasheet PDF : 53 Pages
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PM6675S
4
Electrical characteristics
Electrical characteristics
Table 6.
Electrical characteristics
TA = 0 °C to 85 °C, VCC = AVCC = +5 V, LIN = 1.5 V and LOUT = 0.6 V, if not otherwise
specified (1)
Symbol
Parameter
Test condition
Values
Unit
Min Typ Max
Supply section
Operating current
IIN
(Switching + LDO)
SWEN, LEN, VSEL and
NOSKIP connected to AVCC,
No load on LOUT output.
SWEN, VSEL and NOSKIP
ISW
Operating current (Switching) connected to AVCC, LEN
connected to SGND.
2
mA
1
ISHDN Shutdown operating current SWEN and LEN tied to SGND.
10
µA
UVLO
AVCC under voltage lockout
upper threshold
AVCC under voltage lockout
upper threshold
4.1 4.25 4.4
V
3.85 4.0
4.1
UVLO hysteresis
70
mV
ON-time (SMPS)
tON
On-time duration
OFF-time (SMPS)
VSEL low, VOSC=300 mV 530 630 730
NOSKIP low,
ns
VVSNS = 2V VOSC=500 mV 320
380
440
tOFFMIN Minimum OFF-time
Voltage reference
300 350
ns
Voltage accuracy
Load regulation
Undervoltage Lockout Fault
Threshold
4.5 V< VIN < 25 V
-50 µA< IVREF < 50 µA
1.224 1.237 1.249 V
-4
4
mV
800
9/53
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