MAX1796EUA Maxim Integrated Products, MAX1796EUA Datasheet - Page 5

• Manufacturer Part Number: MAX1796EUA
• Description: IC CONV DCDC W/SHUTDWN 8-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1796EUA

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 5V, Adj
• Current - Output: 300mA
• Frequency - Switching: 500kHz
• Voltage - Input: 1 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Power - Output: 330mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

(L = 22µH, C
Low Supply Current, Step-Up DC-DC Converters
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
300
250
200
150
100
50
0
0
0
0.1
0.1
EFFICIENCY vs. LOAD CURRENT (+3.3V)
0
EFFICIENCY vs. LOAD CURRENT (+5V)
V
V
BATT
BATT
0.5
NO-LOAD BATTERY CURRENT
IN
= +3.6V
1.0 1.5 2.0
= +2.4V
vs. INPUT BATT VOLTAGE
V
V
1
1
= 47µF, C
BATT
OUT
V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
BATT
BATT VOLTAGE (V)
= +3.3V
= +2.4V
MAX1795
MAX1796
_______________________________________________________________________________________
= +1.2V
V
2.5 3.0 3.5 4.0 4.5 5.0 5.5
OUT
10
10
OUT
= +5V
V
BATT
= 47µF, T
100
100
= +1.2V
1000
1000
A
= +25°C, unless otherwise noted.)
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
0.1
0.1
0.1
EFFICIENCY vs. LOAD CURRENT (+3.3V)
EFFICIENCY vs. LOAD CURRENT (+5V)
V
V
BATT
BATT
= +3.6V
= +2.4V
1
1
1
STARTUP VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
BATT
MAX1797
MAX1795
= +1.2V
10
10
10
Typical Operating Characteristics
V
V
V
BATT
BATT
OUT
100
100
100
with True-Shutdown
= +3.3V
L = 10µH
= +2.4V
= +1.2V
1000
1000
1000
100
90
80
70
60
50
40
30
20
10
100
3.0
2.5
2.0
1.5
1.0
0.5
0
90
80
70
60
50
40
30
20
10
0
0
0.1
0.1
0
EFFICIENCY vs. LOAD CURRENT (+3.3V)
EFFICIENCY vs. LOAD CURRENT (+5V)
V
V
BATT
0.5
BATT
= +3.6V
1.0 1.5 2.0
= +2.4V
vs. INPUT BATT VOLTAGE
SHUTDOWN THRESHOLD
V
1
BATT
1
LOAD CURRENT (mA)
LOAD CURRENT (mA)
BATT VOLTAGE (V)
= +2.4V
MAX1796
MAX1797
2.5 3.0 3.5 4.0 4.5 5.0 5.5
10
10
V
BATT
V
BATT
= +1.2V
100
100
= +1.2V
1000
1000
5