MAX6841GUKD0+T Maxim Integrated, MAX6841GUKD0+T Datasheet - Page 3

• Manufacturer Part Number: MAX6841GUKD0+T
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX6841, MAX6842, MAX6843, MAX6844, MAX6845r

Specifications of MAX6841GUKD0+T

• Number Of Voltages Monitored: 1
• Monitored Voltage: 0.9 V to 1.5 V
• Undervoltage Threshold: 1.08 V
• Overvoltage Threshold: 1.14 V
• Output Type: Active High, Active Low, Push-Pull
• Manual Reset: Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 0.15 ms
• Supply Voltage - Max: 1.8 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23
• Chip Enable Signals: No
• Maximum Power Dissipation: 571 mW
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Supply Current (typ): 8.1 uA
• Supply Voltage - Min: 0.75 V

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: All devices are 100% production tested at T
(C
Low-Side Current Limit
High-Side On-Resistance
Rectifier On-Resistance
Rectifier Off-Current Threshold
LX Leakage Current
LX Reverse Leakage Current
Minimum On-Time
Minimum Off-Time
IN
IN
3.399
3.366
3.333
3.300
3.267
3.234
3.201
100
90
80
70
60
50
40
30
20
10
= 3.6V, SHDN = IN, T
= 2.2µF ceramic, Circuit of Figure 1, components of Table 1, unless otherwise noted.)
0
0.1
0
OUTPUT VOLTAGE ACCURACY vs. LOAD
by design.
V
V
IN
PARAMETER
IN
50
EFFICIENCY vs. LOAD CURRENT
= 4.2V
= 3.6V
100
1
LOAD CURRENT ( mA)
(V
(V
150 200 250 300 350 400
V
IN
OUT
OUT
_______________________________________________________________________________________
LOAD (mA)
= 4.2V
10
= 3.3V)
= 3.3V)
A
V
= 0°C to +85°C. Typical parameters are at T
IN
V
IN
V
= 3.6V
IN
= 5V
100
= 5V
SYMBOL
t
t
I
OFF(MIN)
ON(MIN)
R
R
I
LXLEAK
I
I
LXOFF
LXLKR
1000
LIMN
ONHS
ONSR
Low-Voltage, 400mA Step-Down
2.575
2.550
2.525
2.500
2.475
2.450
2.425
100
I
I
IN = SHDN = 5.5V, LX = 0 to IN
IN unconnected, V
LX
LX
90
80
70
60
50
40
30
20
10
0
= -40mA, V
= 40mA, V
0.1
A
0
OUTPUT VOLTAGE ACCURACY vs. LOAD
V
= +25°C. Limits over the operating temperature range are guaranteed
V
IN
IN
DC-DC Converters in SOT23
= 5V
50
EFFICIENCY vs. LOAD CURRENT
= 3V
V
IN
= 2.7V
100
1
LOAD CURRENT ( mA)
IN
IN
(V
(V
150 200 250 300 350 400
CONDITIONS
= 3V
V
= 3V
OUT
OUT
LOAD (mA)
IN
LX
= 3.3V
10
= 2.5V)
= 2.5V)
= 5.5V, SHDN = GND
Typical Operating Characteristics
A
= +25°C, unless otherwise noted.) (Note 1)
V
IN
100
= 5V
1000
1.545
1.530
1.515
1.500
1.485
1.470
1.455
100
90
80
70
60
50
40
30
20
10
0
0.1
0
OUTPUT VOLTAGE ACCURACY vs. LOAD
MIN
0.28
0.28
350
V
IN
50
EFFICIENCY vs. LOAD CURRENT
= 2.5V
V
V
IN
IN
= 5V
100
1
= 3.3V
LOAD CURRENT ( mA)
TYP
550
0.6
0.5
0.1
0.1
0.4
0.4
60
(V
(V
150 200 250 300 350 400
V
IN
OUT
OUT
LOAD (mA)
V
= 3.3V
IN
10
= 5V
= 1.5V)
= 1.5V)
V
IN
MAX
800
1.1
0.9
5.0
5.0
0.5
0.5
= 2.5V
100
UNITS
mA
mA
µA
µA
µs
µs
Ω
Ω
1000
3