MAX1626ESA+ Maxim Integrated Products, MAX1626ESA+ Datasheet - Page 3

• Manufacturer Part Number: MAX1626ESA+
• Description: IC DC/DC CTRLR STEP-DWN HE 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1626ESA+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 5V
• Current - Output: 3A
• Frequency - Switching: Up to 300kHz
• Voltage - Input: 3 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Output Voltage: 3.3 V or 5 V
• Output Current: 3 A
• Input Voltage: 3 V to 16.5 V
• Supply Current: 90 uA
• Switching Frequency: 300 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
(V+ = +3V to +16.5V, SHDN = 3/5 = 0V, T
Note 1: V+ must exceed V
Note 2: Specifications from 0°C to -40°C are guaranteed by design, not production tested.
(Circuit of Figure 1, T
__________________________________________Typical Operating Characteristics
Input Voltage
Supply Current into V+
Undervoltage Lockout
Output Voltage
OUT Input Current
FB Threshold Voltage
FB Leakage Current
CS Threshold Voltage
Reference
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
High-Efficiency, Step-Down DC-DC Controllers
0
PARAMETER
0.5
DROPOUT VOLTAGE
vs. LOAD CURRENT
3.3V SETTING
V
1.0
5V/3.3V or Adjustable, 100% Duty-Cycle,
_______________________________________________________________________________________
OUT
LOAD (A)
A
= +25°C, unless otherwise noted.)
= +3.17V
OUT
1.5
5V SETTING
V
OUT
to maintain regulation.
2.0
= +4.8V
SYMBOL
V
I
I
OUT
OUT
V+
OUT
2.5
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
Operating, no load
V+ = SHDN = 16.5V (shutdown)
Circuit of Figure 1, 3/5 = V+
Circuit of Figure 1, 3/5 = 0V
MAX1626, 3/5 = V+, output forced to 5V
MAX1627, includes hysteresis
MAX1627
I
LOAD
100
90
80
70
60
50
40
30
20
10
0
0.1m
= 0µA
A
CIRCUIT OF FIGURE 1
EFFICIENCY vs. LOAD CURRENT
B
1m
C
CONDITIONS
LOAD CURRENT (A)
(V
10m
OUT
D E F
= +3.3V)
100m
A: V+ = +4.3V
B: V+ = +5V
C: V+ = +8V
D: V+ = +10V
E: V+ = +12V
F: V+ = +15V
1
10
100
90
80
70
60
50
40
30
20
10
0
4.80
3.16
1.25
1.25
MIN
3.0
24
80
0.1m
0
CIRCUIT OF FIGURE 1
A
EFFICIENCY vs. LOAD CURRENT
1m
B
TYP
C
LOAD CURRENT (A)
(V
10m
OUT
D E
MAX
16.5
5.20
3.44
1.35
1.35
= +5V)
100
120
2.9
50
50
100m
2
A: V+ = +6V
B: V+ = +8V
C: V+ = +10V
D: V+ = +12V
E: V+ = +15V
UNITS
1
mV
µA
µA
nA
V
V
V
V
V
3
10