MAX1771CSA Maxim Integrated Products, MAX1771CSA Datasheet - Page 3

• Manufacturer Part Number: MAX1771CSA
• Description: IC DC/DC CTRLR STEP-UP HE 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1771CSA

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V, 2 ~ 16.5 V
• Current - Output: 2A
• Frequency - Switching: 300kHz
• Voltage - Input: 2 ~ 16.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Output Voltage: 12 V
• Output Current: 2 A
• Input Voltage: 2 V to 16.5 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Case: SOP8
• Dc: 02+
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, I
Note 1: Output voltage guaranteed using preset voltages. See Figures 4a–4d for output current capability versus input voltage.
Note 2: Output voltage line and load regulation depend on external circuit components.
(T
FB Input Current
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
Current-Limit Trip Level
CS Input Current
EXT Rise Time
EXT Fall Time
A
= +25°C, unless otherwise noted.)
100
60
95
90
85
80
75
70
65
PARAMETERS
1
V
LOAD
EFFICIENCY vs. LOAD CURRENT
IN
V
= 10V
IN
(BOOTSTRAPED MODE)
10
= 5V
LOAD CURRENT (mA)
= 0mA, T
_______________________________________________________________________________________
100
V
A
IN
= T
= 3V
1000
MIN
V
V
CIRCUIT OF
FIGURE 2a
IN
OUT
= 8V
to T
SYMBOL
= 12V
12V or Adjustable, High-Efficiency,
10,000
V
V
I
V
MAX
FB
CS
Low I
IH
IL
, unless otherwise noted. Typical values are at T
MAX1771C
MAX1771E
MAX1771M
V+ = 2V to 16.5V
V+ = 2V to 16.5V
V+ = 16.5V, SHDN = 0V or V+
V+ = 5V to 16V
V+ = 5V, 1nF from EXT to ground
V+ = 5V, 1nF from EXT to ground
100
60
95
90
85
80
75
70
65
1
Q
V
EFFICIENCY vs. LOAD CURRENT
IN
V
(NON-BOOTSTRAPED MODE)
=10V
IN
, Step-Up DC-DC Controller
10
= 5V
LOAD CURRENT (mA)
CONDITIONS
100
Typical Operating Characteristics
MAX1771C/E
MAX1771M
1000
V
CIRCUIT OF
FIGURE 2b
OUT
V
IN
= 12V
= 8V
10,000
A
= +25°C.)
700
600
500
400
300
200
100
0
MIN
2.00
1.6
85
75
MINIMUM START-UP INPUT VOLTAGE
MINIMUM START-UP INPUT VOLTAGE (V)
EXTERNAL FET THRESHOLD
LIMITS FULL-LOAD START-UP
BELOW 3.5V
V
OUT
2.25
= 12V, CIRCUIT OF FIGURE 2a
TYP
0.01
100
100
LOAD CURRENT vs.
55
55
2.50
2.75
MAX
±20
±40
±60
115
125
0.4
±1
±1
3.00
3.25
UNITS
mV
nA
µA
µA
ns
ns
V
V
3.50
3