參數(shù)資料
型號(hào): PM6685
廠商: 意法半導(dǎo)體
英文描述: DUAL STEP-DOWN CONTROLLER WITH AUXILARY VOLTAGES FOR NOTEBOOK SYSTEM POWER
中文描述: 雙通道降壓控制器,紡織印染助劑用于筆記本系統(tǒng)的電源電壓
文件頁(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 889K
代理商: PM6685
4 Electrical characteristics
PM6685
8/16
4
Electrical characteristics
(V
IN
= 12V; T
amb
= 0°C to 85°C unless otherwise specified)
Table 4.
Supply section
Table 5.
Shutdown section
Simbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
IN
Input voltage range
V
out
=V
ref
, LDO5 in regulation
6
28
V
V
CC
IC supply voltage
4.5
5.5
V
V
V5SW
Turn-on voltage threshold
4.8
4.9
V
Turn-off voltage threshold
4.6
4.75
V
Hysteresis
50
mV
V
V5SW
Maximum operating range
5.5
V
R
DS(on)
LDO5 Internal Bootstrap
Switch Resistance
V5SW >4.9V
1.8
3
R
DS(on)
LDO3 Internal Bootstrap
Switch Resistance
VOUT3 = 3.3V
1.8
3
OUT_ Discharge-Mode
On-resistance
12
25
OUT3, OUT5_ Discharge-Mode
Synchronuos Rectifier
Turn-on level
0.2
0.35
0.5
V
Pin
Operating Power consumption
VOUT5>5.1V,VOUT3>3.34V
V5SW to 5V
LDO5, LDO3 no load
4
mW
Ish
V
IN
Shutdown Current
SHDN connected to GND,
14
18
μ
A
Isb
V
IN
Standby Current
ENx to GND, V5SW to GND
150
250
μ
A
Simbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
SHDN
Device ON threshold
0.95
1.35
1.6
V
Device OFF threshold
0.8
0.85
0.9
V
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