MAX1962EEP+ Maxim Integrated Products, MAX1962EEP+ Datasheet - Page 7

• Manufacturer Part Number: MAX1962EEP+
• Description: IC DC-DC CTRL STP DWN 20-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1962EEP+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 4.95 V
• Current - Output: 20A
• Frequency - Switching: 500kHz, 1MHz
• Voltage - Input: 2.35 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-QSOP
• Power - Output: 727mW, 9.1mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 9, T
1100
1000
900
800
700
600
500
400
300
200
100
Step-Down Controllers with Voltage Margining
0
-40
FREQUENCY vs. TEMPERATURE
-15
350
300
250
200
150
100
TEMPERATURE (°C)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
50
2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
0
TRIPLER CHARGE-PUMP OUTPUT VOLTAGE
10
-40
vs. CHARGE-PUMP LOAD CURRENT, 1MHz
0
_______________________________________________________________________________________
A
CIRCUIT OF FIGURE 12
FSET/SYNC = GND
FSET/SYNC = V
= +25°C, unless otherwise noted.)
CHARGE-PUMP LOAD CURRENT (mA)
VOLTAGE vs. TEMPERATURE
CURRENT-LIMIT THRESHOLD
35
10
-15
MAX1960/MAX1961
TEMPERATURE (°C)
CC
60
20
10
C10, C11, C12 = 0.47µF
85
30
35
R
ILIM
V
ILIM = V
IN
C6 = 2.2µF
= 2.5V
40
= 390kΩ
60
Typical Operating Characteristics (continued)
DD
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
vs. CHARGE-PUMP LOAD CURRENT, 1MHz
0
50
85
CHARGE-PUMP OUTPUT VOLTAGE
CHARGE-PUMP LOAD CURRENT (mA)
50
V
IN
= 3.3V
V
IN
100
= 2.5V
52.0
51.5
51.0
50.5
50.0
49.5
49.0
48.5
48.0
47.5
47.0
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
150
C1 = 0.47µF
vs. CHARGE-PUMP LOAD CURRENT, 500kHz
TRIPLER CHARGE-PUMP OUTPUT VOLTAGE
-40
C6 = 2.2µF
0
CIRCUIT OF FIGURE 12
CHARGE-PUMP LOAD CURRENT (mA)
VOLTAGE vs. TEMPERATURE
CURRENT-LIMIT THRESHOLD
-15
200
10
TEMPERATURE (°C)
MAX1962
20
10
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
vs. CHARGE-PUMP LOAD CURRENT, 500kHz
C10, C11, C12 = 1µF
0
30
35
CHARGE-PUMP OUTPUT VOLTAGE
CHARGE-PUMP LOAD CURRENT (mA)
V
IN
C6 = 4.7µF
= 2.5V
40
60
V
50
IN
= 2.5V
85
50
100
V
IN
150
C6 = 4.7µF
= 3.3V
C1 = 1µF
200
7