MIC2779 Micrel Semiconductor, MIC2779 Datasheet - Page 3

• Manufacturer Part Number: MIC2779
• Description: Voltage Monitor with Adjustable Hysteresis Preliminary Information
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Input Voltages (V
/RST, RST Output Current (I
Storage Temperature (T
ESD Rating, Note 3 ...................................................... 2kV
Electrical Characteristics
1.5V
Symbol
I
I
V
t
t
V
V
Note 1.
Note 2.
Note 3.
Note 4.
Timing Diagram
June 2000
MIC2779
DD
LTH,
D
RESET
REF
OL
OH
I
HTH
V
DD
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
V
DD
operating range is 1.5V to 5.5V. Output is guaranteed to be held low down to V
5.5V; T
Parameter
Supply Current
Input Leakage Current
Reference Voltage
Propagation Delay
Reset Pulse Width
Reset Output Low Voltage
Reset Output High Voltage
LTH
DD
A
= +25 C, bold values indicate –40 C
) ..................................... –0.3V to +7V
, V
HTH
S
) ....................... –65 C to +150 C
, V
/RST
/RST
V
V
V
/RST
), (I
BATT
RST
, V
RST
RST
V
V
V
V
V
V
HTH
0V
LTH
OH
OH
(Note 1)
OL
OL
) ................... 20mA
) ..... –0.3V to +7V
Propagation delays not shown for clarity.
Note A. The MIC2779 ignores very brief transients.
Condition
/RST, RST not asserted
MIC2779H/L-2
MIC2779H/L-1
V
/RST asserted or RST not asserted,
I
/RST asserted or RST not asserted,
I
/RST not asserted or RST asserted,
I
/RST not asserted or RST asserted,
I
See “Applications Information” for details.
V
SINK
SINK
SOURCE
SOURCE
LTH
REF(min)
t
RST
= V
= 1.6mA, V
= 100 A, V
A
T
REF(max)
= 500 A, V
= 50 A, V
A
– 100mV
3
+85 C; unless noted
Operating Ratings
Supply Voltage (V
Input Voltages (V
Ambient Temperature Range (T
Package Thermal Resistance ............................... 256 C/W
DD
DD
+100mV to
DD
DD
1.6V
1.2V,
1.2V,
1.6V
A
DD
t
RST
= 1.2V.
LTH
DD
) .................................. +1.5V to +5.5V
, V
HTH
(Note 2)
, V
0.8V
0.8V
1.215
1.228
Min
140
/RST
A
DD
DD
) ............. –40 C to +85 C
, V
RST
1.240
Typ
1
5
5
) .. –0.3V to +6.0V
1.265
1.252
Max
420
0.3
0.4
10
2
MIC2779
Micrel
Units
ms
pA
nA
V
V
V
V
V
V
V
A
s