參數(shù)資料
型號: PM6670TR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.4 A SWITCHING CONTROLLER, QCC24
封裝: 4 X 4 MM, LEAD FREE, VFQFN-24
文件頁數(shù): 55/55頁
文件大?。?/td> 849K
代理商: PM6670TR
PM6670
Electrical characteristics
9/53
4
Electrical characteristics
TA = 0°C to 85°C , VCC = AVCC = +5V and LDOIN connected to VDDQ output if not
otherwise specified.
Table 6. Electrical characteristics
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
Supply section
IIN
Operating current
S3, S5, MODE and DDRSEL
connected to AVCC, No Load on
VTT and VTTREF Outputs.
VCC connected to AVCC
0.8
2
mA
ISTR
Operating current in STR
S5, MODE and DDRSEL connected
to AVCC, S3 tied to SGND, No Load
on VTTREF.
VCC connected to AVCC
0.6
1
ISH
Operating current in
shutdown
S3 and S5 tied to SGND.
Discharge Mode active.
VCC connected to AVCC
110
A
UVLO
AVCC under voltage lockout
upper threshold
4.1
4.25
4.4
V
AVCC under voltage lockout
lower threshold
3.9
4.0
4.1
UVLO hysteresis
70
mV
ON-time (SMPS)
tON
On-time duration
MODE and
DDRSEL
high,
VVSNS = 2V
VOSC = 300mV
650
750
850
ns
VOSC = 500mV
390
450
510
OFF-time (SMPS)
tOFFMIN Minimum Off time
300
350
ns
Voltage reference
Voltage accuracy
4.5V < VIN < 25V
1.224
1.237
1.249
V
Load regulation
-50
A< I
VREF < 50A
-4
4
mV
Undervoltage lockout fault
threshold
800
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