MAX1672 Maxim, MAX1672 Datasheet - Page 3

• Manufacturer Part Number: MAX1672
• Description: Step-Up/Down DC-DC Converter in QSOP Package
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
(T
Note 1: Specifications to -40°C are guaranteed by design.
__________________________________________Typical Operating Characteristics
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
PGI Input Bias Current
Hysteresis
PGI Threshold Voltage
PGO Output Leakage
PGO Output Low Voltage
Input Low Voltage
Input High Voltage
Input Bias Current
PGI/PGO COMPARATOR
LOGIC AND CONTROL INPUTS
PS
A
100
= +25°C, unless otherwise noted.)
90
80
70
60
50
= 6V, C
0.1
PARAMETER
EFFICIENCY vs. OUTPUT CURRENT
V
IN
REF
= 2.7V
V
1
= 0.1µF, C
IN
OUTPUT CURRENT (mA)
V
= 5V
IN
(V
= 0.9V
_______________________________________________________________________________________
OUT
10
= 5V)
V
V
IN
IN
OUT
= 1.8V
= 3.6V
= 4.7µF, T
100
V
T
T
V
I
ONA, ONB, 3/5; ILIM
ONA, ONB, 3/5; ILIM
ONA, ONB, 3/5, ILIM
PGO
A
A
PGI
PGO
= 0°C to +85°C
= -40°C to +85°C
1000
= 1.3V
= 2mA, V
= 11V
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
Step-Up/Down DC-DC Converter
100
90
80
70
60
50
PGI
0.1
= 1.2V
EFFICIENCY vs. OUTPUT CURRENT
V
CONDITIONS
IN
= 2.7V
V
1
OUTPUT CURRENT (mA)
IN
= 0.9V
(V
OUT
V
IN
V
IN
= 3.3V
10
= 3.3V)
= 1.8V
100
1000
in QSOP Package
100
90
80
70
60
50
1.21
1.19
MIN
0
1.6
EFFICIENCY vs. INPUT VOLTAGE
1
2
V
OUT
TYP
1.25
150
0.1
0.1
3
20
30
INPUT VOLTAGE (V)
1
1
= 3.3V
(I
A
OUT
4
= +25°C.) (Note 1)
= 10mA)
5
MAX
1.29
1.31
100
0.4
0.4
50
6
1
V
OUT
7
= 5V
8
UNITS
mV
°C
°C
nA
µA
nA
9
V
V
V
V
10
3