Datasheet

ADM6819/ADM6820
Rev. 0 | Page 3 of 12
SPECIFICATIONS
V
CC1
or V
CC2
= 2.95 V to 5.5 V, T
A
= −40°C to +85°C, unless otherwise noted. Typical values are at T
A
= 25°C.
1
Table 1.
Parameter Min Typ Max Units Conditions
V
CC1
, V
CC2
PINS V
CC1
or V
CC2
must be > 2.95 V
Operating Voltage Range, V
CC1
or V
CC2
0.9 5.5 V V
CC1
or V
CC2
must be > 2.95 V
V
CC1
or V
CC2
Supply Current, I
CC
350 500 μA V
CC1
= V
CC2
= 3.3 V
V
CC1
or V
CC2
Disable Mode Current 250 μA V
CC1
= V
CC2
= 3.3 V, EN = GND
V
CC1
or V
CC2
Slew Rate
2
6 V/s ADM6819
1.2/t
DELAY
V/s ADM6820
3
Undervoltage Lockout, V
UVLO
2.4 2.525 2.65 V V
CC
falling
SETV PIN
SETV Threshold, V
TH
0.602 0.618 0.634 V V
SETV
rising, enables GATE
SETV Input Current
2
10 100 nA
SETV Threshold Hysteresis −1 % V
SETV
falling, disables GATE
SETV to GATE Delay, t
DELAY
240 300 350 ms V
SETV
> V
TH
; V
EN
> V
TH
(ADM6819)
SETD PIN ADM6820
SETD Ramp Current, I
SETD
300 500 730 nA
400 500 600 nA T
A
= 25°C
SETD Voltage, V
SETD
1.295 1.326 1.357 V
GATE PIN
GATE Turn-On Time, t
ON
0.5 1.5 10 ms C
GATE
= 1500 pF, V
CC2
= 3.3 V, V
GATE
= 7.8 V
GATE Turn-Off Time, t
OFF
30 μs C
GATE
= 1500 pF, V
CC2
= 3.3 V, V
GATE
= 0.5 V
GATE Voltage, V
GATE
4.5 5.5 6.0 V With respect to V
CCx
, R
GATE
> 50 MΩ to V
CCx
4
4.0 5.0 6 V With respect to V
CCx
, R
GATE
> 5 MΩ to V
CCx
4
8.9 9.4 9.9 V With respect to V
CCx
, R
GATE
> 50 MΩ to V
CCx
5
8.2 8.6 9.1 V With respect to V
CCx
, R
GATE
> 5 MΩ to V
CCx
5
ENABLE PIN
EN Input Voltage Low, V
IL
0.4 V V
CC1
or V
CC2
must be > 2.95 V
EN Input Voltage High, V
IH
2.0 V V
CC1
or V
CC2
must be > 2.95 V
1
100% production tested at T
A
= +25°C. Specifications over temperature limit are guaranteed by design.
2
Guaranteed by design, not production tested.
3
t
DELAY
(s) = 2.65 × 10
6
× C
SET
.
4
Highest supply pin is represented by V
CCx
= 2.95 V.
5
Highest supply pin is represented by V
CCx
= 5.5 V.