MAX758AEWE Maxim Integrated Products, MAX758AEWE Datasheet - Page 4

• Manufacturer Part Number: MAX758AEWE
• Description: DC/DC Switching Regulators Adjustable PWM Step-Down Regulator
• Manufacturer: Maxim Integrated Products

Specifications of MAX758AEWE

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Adjustable, Step-Down,
Current-Mode PWM Regulators
(Circuit of Figure 3, V
4
_____________________________Typical Operating Characteristics (continued)
NO-LOAD SUPPLY CURRENT vs. SUPPLY VOLTAGE
1000
800
600
400
200
_______________________________________________________________________________________
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
0
L1 = 100µH
C4 = 300µF
V+ = 6.6V
LOCKOUT V+ FALLING
(NOTES 3, 5)
100 200 300 400 500 600 700 800
(OPERATION ENDS)
UNDERVOLTAGE
2
PEAK INDUCTOR CURRENT
240
220
200
180
160
140
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
OSCILLATOR FREQUENCY vs. TEMPERATURE
4
(OPERATION BEGINS)
0
SUPPLY VOLTAGE (V)
LOCKOUT V+ RISING
-60
MAX758A
UNDERVOLTAGE
MAX758A
6
-40 -20 0
OUT
8
V+ = 7.0V
V+ = 9.0V
V+ = 5.5V
= 5V, T
V+ 8.0V TO 16.0V
V+ = 11.0V
10
TEMPERATURE (°C)
MAX750A
20 40
12
A
= +25°C, unless otherwise noted.)
14
60
80
16
(NOTE 4)
100
120
700
600
500
400
300
200
100
2.0
2.5
2.0
1.5
1.0
0.5
140
0
0
-60
0
(NOTES 4, 5)
L1 = 18µH
C4 = 1000µF
-40
MAX750A, V+ = 9.0V
MAX758A, V+ = 12.0V
NO-LOAD SUPPLY CURRENT
50
PEAK INDUCTOR CURRENT
-20
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
vs. TEMPERATURE
TEMPERATURE (°C)
0
100
20
MAX758A
150
40
60
V+ = 6.0V
200
V+ = 6.6V
80
V+ = 8.0V
V+ = 10.2V
100
250
200
190
180
170
160
150
140
130
120
120
OSCILLATOR FREQUENCY vs. TEMPERATURE
-60
140
300
-40 -20
220
210
200
190
180
170
160
150
0
TEMPERATURE (°C)
20
18
16
14
12
10
8
6
4
2
0
4
MAX758A
-60
20 40
V+ = 16.0V
(NOTE 3)
(NOTES 4, 5)
MAX758A ONLY, V+ = 16V
MAX758A ONLY, V+ = 12V
V+ = 6.0V
-40
SHUTDOWN SUPPLY CURRENT
6
OSCILLATOR FREQUENCY
60
-20
V+ = 12.0V
V+ = 9.0V
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
MAX750A
vs. TEMPERATURE
TEMPERATURE (°C)
80
8
0
100
V+ = 9V
V+ = 6V
(NOTE 4)
20
120
10
40
MAX758A
140
60
12
80
100
14
120
16
140