 English |
|
|
|
|
|
|
|
| LTC4417_15 Datasheet, PDF (3/32 Pages) Linear Technology – Prioritized PowerPat Controller | |||
| |||
| ◁ |
LTC4417
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. For all tests, V1 = VS1, V2 = VS2, V3 = VS3. Unless otherwise noted,
V1 = V2 = V3 = VOUT = 12V, HYS = GND.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Start-Up
V1-V3,VOUT V1 to V3,VOUT Operating Supply Range
IV1-V3,VOUT(EN) Total Supply Current with Channels Enabled
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = 4V,
(Notes 3, 4)
l 2.5
36
V
l
28
78
µA
IV1-V3(EN)
Total Supply Current with Channels Disabled
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = EN = 0V, l
(Notes 3, 4)
31
93
µA
IV1-V3(SHDN) Total Supply Current When Shutdown
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = SHDN = l
0V, (Notes 3, 4)
15.4 84
µA
IVOUT
IPRIORITY
IHIGHEST
VOUT Supply Current
Current from Highest V1 to V3 Priority Input
Source (V1)
Current from Highest V1 to V3 Voltage Input
Source
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = 4V
l
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = 4V
l
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = EN = 0V l
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = 4V,
l
(Note 3, 4)
14
30
µA
2.6
6
µA
20
45
µA
11
72
µA
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = EN = 0V, l
SHDN = 0V, (Note 3, 4)
15
80
µA
ILOWER
Gate Control
Current from V1 to V3 Input Voltage Sources
Lower than VOUT
V1 = 5V, V2 = 12V, V3 = 2.5V, VOUT = 4V
Not Highest Valid Priority
â5 0.2
1
µA
âVG
âVG(SOURCE)
âVG(SINK)
âVG(OFF)
Open (VS â VG) Clamp Voltage
Sourcing (VS â VG) Clamp Voltage
Sinking (VS â VG) Clamp Voltage
G1 to G3 Off (VS â VG) Threshold
VOUT = 11V, G1 to G3 = Open
l 5.4 6.2 6.7
V
VOUT = 11V, I = â10µA
l 5.8 6.6
7
V
VOUT = 11V, I = 10µA
l 4.5 5.2
6
V
V1 = V2 = V3 = 2.8V, VOUT = 2.6V, G1 to G3 l 0.12 0.35 0.6
V
Rising Edge
âVG(SLEW,ON)
âVG(SLEW,OFF)
IG(DN)
G1 to G3 Pull-Down Slew Rate
G1 to G3 Pull-Up Slew Rate
G1 to G3 Low Pull-Down Current
VOUT = 11V, CGATE = 10nF (Note 5)
l4
9
20 V/µs
VOUT = 11V, CGATE = 10nF (Note 6)
l 7.5
13
22 V/µs
VOUT = 2.6V, V1 to V3 = 2.8V, (G1 to G3) = âVG
0.8
2
7
µA
+ 300mV
RG(OFF)
G1 to G3 OFF Resistance
VREV
Reverse Voltage Threshold
tG(SWITCHOVER) Pin Break-Before-Make Time
tpG(SHDN)
G1 to G3 Turn-Off Delay From SHDN
tpG(EN,OFF)
G1 to G3 Turn-Off Delay From EN
tpG(EN,ON)
G1 to G3 Turn-On Delay From EN
VOUT = 4V, V1 to V3 = 5V, IG = â10mA
l9
16
26
Ω
Measure (V1 to V3) â VOUT, VOUT Falling
l 30 120 200 mV
VOUT = 11V, CGATE = 10nF, (Note 7)
l 0.7
2
3
µs
VOUT = 11V, Falling Edge SHDN to
l 20
50 100
µs
(G1 to G3) = (VS1 to VS3) â 3V, CGATE = 10nF
VOUT = 11V, Falling EN Edge to
l 0.3 0.7 1.4
µs
(G1 to G3) = (VS1 to VS3) â 3V, CGATE = 10nF
VOUT = 11V, Rising EN Edge to
l1
1.4
2
µs
(G1 to G3) = (VS1 to VS3) â 3V, CGATE = 10nF
4417f
3
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese