參數(shù)資料
型號: PM6675ASTR
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): 48/48頁
文件大?。?/td> 2481K
代理商: PM6675ASTR
PM6675AS
Electrical characteristics
9/48
4
Electrical characteristics
Table 6.
Electrical characteristics
TA = - 25 °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
Min
Typ
Max
Unit
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 coneected
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
lower threshold
3.85
4.0
4.1
UVLO hysteresis
70
mV
On-time (SMPS)
tON
On-time duration
VSEL low,
NOSKIP low,
VVSNS = 2 V
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 < 36 V
1.224
1.237
1.249
V
Load regulation
-50 A < IVREF < 50 A
-4
4
mV
Undervoltage Lockout
Fault Threshold
800
SMPS output
VOUT
SMPS fixed output voltage
VSEL connected to AVCC, NOSKIP
tied to SGND, No Load
1.5
V
Feedback output voltage
accuracy
-1.5
1.5
%
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