參數(shù)資料
型號(hào): PM6675
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, QCC24
封裝: 4 X 4 MM, VFQFPN-24
文件頁(yè)數(shù): 47/47頁(yè)
文件大小: 650K
代理商: PM6675
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PM6675
Electrical characteristics
9/47
4
Electrical characteristics
VIN = 12V; TA = 0°C to 85°C, VCC = AVCC = +5V, LIN = 1.5V and LOUT = 0.9V
(if not otherwise specified)
Table 4. Electrical characteristics
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
Supply section
VIN
Input voltage range
4.5
28
V
VAVCC
IC supply voltage
4.5
5.5
VVCC
IC supply voltage
4.5
5.5
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
3.9
4.0
4.1
UVLO hysteresis
70
mV
ON-time (SMPS)
tON
On-time duration
VSELhigh,
and
NOSKIP low,
VVSNS = 2V
VOSC=300mV
550
630
710
ns
VOSC=500mV
330
380
430
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
-50A< IVREF < 50A
-4
4
mV
Undervoltage Lockout Fault
Threshold
800
SMPS output
VOUT
SMPS fixed output voltage (1)
VSEL connected to AVCC,
NOSKIP tied to SGND, No Load
1.5
V
Output voltage accuracy (1)
-1.5
1.5
%
1. Guaranteed by design. Not production tested
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