Linear Technology LTC4417CUF Demoboard : Prioritized PowerPath Controller DC1717A DC1717A Data Sheet
Product codes
DC1717A
LTC4417
3
4417f
elecTrical characTerisTics
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. For all tests, V1 = VS1, V2 = VS2, V3 = VS3. Unless otherwise noted,
V1 = V2 = V3 = V
OUT
= 12V, HYS = GND.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
Start-Up
V1-V3,V
V1-V3,V
OUT
V1 to V3,V
OUT
Operating Supply Range
l
2.5
36
V
I
V1-V3,VOUT(EN)
Total Supply Current with Channels Enabled
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= 4V,
(Notes 3, 4)
l
28
78
µA
I
V1-V3(EN)
Total Supply Current with Channels Disabled
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= EN = 0V,
(Notes 3, 4)
l
31
93
µA
I
V1-V3(SHDN)
Total Supply Current When Shutdown
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= SHDN =
0V, (Notes 3, 4)
l
15.4
84
µA
I
VOUT
V
OUT
Supply Current
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= 4V
l
14
30
µA
I
PRIORITY
Current from Highest V1 to V3 Priority Input
Source (V1)
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= 4V
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= EN = 0V
l
l
2.6
20
6
45
µA
µA
I
HIGHEST
Current from Highest V1 to V3 Voltage Input
Source
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= 4V,
(Note 3, 4)
l
11
72
µA
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= EN = 0V,
SHDN = 0V, (Note 3, 4)
l
15
80
µA
I
LOWER
Current from V1 to V3 Input Voltage Sources
Lower than V
OUT
V1 = 5V, V2 = 12V, V3 = 2.5V, V
OUT
= 4V
Not Highest Valid Priority
–5
0.2
1
µA
Gate Control
∆V
∆V
G
Open (VS – VG) Clamp Voltage
V
OUT
= 11V, G1 to G3 = Open
l
5.4
6.2
6.7
V
∆V
G(SOURCE)
Sourcing (VS – VG) Clamp Voltage
V
OUT
= 11V, I = –10µA
l
5.8
6.6
7
V
∆V
G(SINK)
Sinking (VS – VG) Clamp Voltage
V
OUT
= 11V, I = 10µA
l
4.5
5.2
6
V
∆V
G(OFF)
G1 to G3 Off (VS – VG) Threshold
V1 = V2 = V3 = 2.8V, V
OUT
= 2.6V, G1 to G3
Rising Edge
l
0.12
0.35
0.6
V
∆V
G(SLEW,ON)
G1 to G3 Pull-Down Slew Rate
V
OUT
= 11V, C
GATE
= 10nF (Note 5)
l
4
9
20
V/µs
∆V
G(SLEW,OFF)
G1 to G3 Pull-Up Slew Rate
V
OUT
= 11V, C
GATE
= 10nF (Note 6)
l
7.5
13
22
V/µs
I
G(DN)
G1 to G3 Low Pull-Down Current
V
OUT
= 2.6V, V1 to V3 = 2.8V, (G1 to G3) = ∆V
G
+ 300mV
0.8
2
7
µA
R
G(OFF)
G1 to G3 OFF Resistance
V
OUT
= 4V, V1 to V3 = 5V, I
G
= –10mA
l
9
16
26
Ω
V
REV
Reverse Voltage Threshold
Measure (V1 to V3) – V
OUT
, V
OUT
Falling
l
30
120
200
mV
t
G(SWITCHOVER)
Pin Break-Before-Make Time
V
OUT
= 11V, C
GATE
= 10nF, (Note 7)
l
0.7
2
3
µs
t
pG(SHDN)
G1 to G3 Turn-Off Delay From SHDN
V
OUT
= 11V, Falling Edge SHDN to
(G1 to G3) = (VS1 to VS3) – 3V, C
GATE
= 10nF
l
20
50
100
µs
t
pG(EN,OFF)
G1 to G3 Turn-Off Delay From EN
V
OUT
= 11V, Falling EN Edge to
(G1 to G3) = (VS1 to VS3) – 3V, C
GATE
= 10nF
l
0.3
0.7
1.4
µs
t
pG(EN,ON)
G1 to G3 Turn-On Delay From EN
V
OUT
= 11V, Rising EN Edge to
(G1 to G3) = (VS1 to VS3) – 3V, C
GATE
= 10nF
l
1
1.4
2
µs