參數(shù)資料
型號: PM6675STR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 3 A SWITCHING CONTROLLER, QCC24
封裝: 4 X 4 MM, LEAD FREE, VFQFPN-24
文件頁數(shù): 53/53頁
文件大小: 2632K
代理商: PM6675STR
PM6675S
Electrical characteristics
9/53
4
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
IIN
Operating current
(Switching + LDO)
SWEN, LEN, VSEL and
NOSKIP connected to AVCC,
No load on LOUT output.
2
mA
ISW
Operating current (Switching)
SWEN, VSEL and NOSKIP
connected to AVCC, LEN
connected to SGND.
1
ISHDN
Shutdown operating current
SWEN and LEN tied to SGND.
10
A
UVLO
AVCC under voltage lockout
upper threshold
4.1
4.25
4.4
V
AVCC under voltage lockout
upper threshold
3.85
4.0
4.1
UVLO hysteresis
70
mV
ON-time (SMPS)
tON
On-time duration
VSEL low,
NOSKIP low,
VVSNS = 2V
VOSC=300 mV
530
630
730
ns
VOSC=500 mV
320
380
440
OFF-time (SMPS)
tOFFMIN
Minimum OFF-time
300
350
ns
Voltage reference
Voltage accuracy
4.5 V< VIN < 25 V
1.224
1.237
1.249
V
Load regulation
-50 A< IVREF < 50 A
-4
4
mV
Undervoltage Lockout Fault
Threshold
800
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