MAX757CSA+ Maxim Integrated Products, MAX757CSA+ Datasheet - Page 3

• Manufacturer Part Number: MAX757CSA+
• Description: IC DC-DC CONV 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX757CSA+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.7 ~ 5.5 V
• Current - Output: 300mA
• Frequency - Switching: 500kHz
• Voltage - Input: 0.7 ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Output Voltage: 5.5 V
• Output Current: 0.3 mA
• Input Voltage: 5.5 V
• Supply Current: 0.06 A
• Switching Frequency: 500 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1, T
__________________________________________Typical Operating Characteristics
100k
100
10k
1M
90
80
70
60
50
40
10
1k
10
0.1
EFFICIENCY vs. LOAD CURRENT
100
SWITCHING FREQUENCY
3.3V OUTPUT MODE
1
vs. LOAD CURRENT
LOAD CURRENT (mA)
LOAD CURRENT (A)
_________________________________________________________________________________________________
1m
A
1.8
1.6
1.4
1.2
1.0
0.8
= +25°C, unless otherwise noted.)
10
V
IN
1
5V MODE
MINIMUM START-UP INPUT VOLTAGE
= 1.2V
10m
V
IN
3.3V MODE
= 2.0V
V
100
IN
100m
= 2.5V
vs. LOAD CURRENT
LOAD CURRENT (mA)
10
1000
1
100
3.3V MODE
500
400
300
200
100
90
80
70
60
50
40
0
0.1
1
EFFICIENCY vs. LOAD CURRENT
1000
V
3.3V/5V/Adjustable-Output,
IN
Step-Up DC-DC Converters
QUIESCENT CURRENT
= 3.3V
1
CURRENT MEASURED AT V
V
vs. INPUT VOLTAGE
2
5V OUTPUT MODE
OUT
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
= 5V
10
3
V
V
OUT
IN
= 1.25V
100
= 3.3V
4
10
V
8
6
4
2
0
IN
IN
= 2.5V
0
1000
5
50
REFERENCE VOLTAGE
LOAD REGULATION
LOAD CURRENT ( A)
100
800
700
600
500
400
300
200
100
50
40
30
20
10
0
0
1
0
SHUTDOWN QUIESCENT CURRENT
150
MAXIMUM OUTPUT CURRENT
V
OUT
1
CURRENT MEASURED AT V
vs. INPUT VOLTAGE
2
vs. INPUT VOLTAGE
= 3.3V
200
3.3V MODE
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2
250
3
3
4
IN
5V MODE
4
5
5
3