MAX773CPD+ Maxim Integrated Products, MAX773CPD+ Datasheet - Page 11

• Manufacturer Part Number: MAX773CPD+
• Description: IC CNTRLR DC-DC 14-DIP
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX773CPD+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V, 12V, 15V, Adj
• Current - Output: 1A
• Frequency - Switching: 300kHz
• Voltage - Input: 3 ~ 16.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Power - Output: 727mW
• Output Voltage: 5 V to 12 V
• Output Current: 1 A
• Input Voltage: 2 V to 16.5 V
• Supply Current: 110 uA
• Switching Frequency: 300 KHz
• Mounting Style: Through Hole
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3a. 12V Preset Output, Bootstrapped, N-Channel
Power MOSFET
Figure 3c. 15V Preset Output, Non-Bootstrapped N-Channel
Power MOSFET
63.4k
(1%)
(1%)
10k
MIN
10.6
R4
R3
V
IN
C1
C3
0.1 F
= 5V
NOMINAL MAX
V
11.0
TRIP
10
4
8
7
6
5
C3
0.1 F
(V)
SGND
REF
SHDN
FB
LBI
LBO
14
1
2
8
5
7
6
11.4
MAX773
C2
0.1 F
V12
V15
V5
REF
LBI
SHDN
FB
5V/12V/15V or Adjustable, High-Efficiency,
GND
V+
______________________________________________________________________________________
MAX773
R 4 = R3
V
3
9
REF
EXTH 13
GND
EXTL
V+
= 1.5V
V15
V12
CS
V5
3
9
(
SGND
V
EXTH
EXTL
V
TRIP
LBO
11
14
REF
12
1
2
CS
-1
)
11
4
13
12
10
22 H
L1
100k
Si9410DY
C2
0.1 F
Si9410DY
N
Low I
1N5817
R
SENSE
D1
C1
V IN
N
1N5817
V
L1
22 H
R
D1
SENSE
OUT
C4
= 15V
= 12V
V
Q
OUT
C4
, Step-Up DC-DC Controllers
Figure 3b. 24V Output, Non-Bootstrapped, NPN Power
Transistor
Figure 3d. 16V Output, Bootstrapped, N-Channel
Power MOSFET
47 F
V
IN
C1
C3
0.1 F
C3
0.1 F
= 5V
10
10
4
8
5
7
4
8
5
7
REF
SHDN
SGND
LBO
LBI
REF
LBI
SHDN
SGND
LBO
C2
0.1 F
MAX773
MAX773
GND
GND
V+
V+
9
3
9
3
EXTH 13
EXTL
EXTH 13
EXTL
V15 14
V12
V15
V12
CS
V5
FB
CS
V5
FB 6
C1
12
11
1
2
6
12
11
14
1
2
V IN
150 H
L1
910
34k
R
C2
0.1 F
R1
SENSE
13.7k
20 H
R
SENSE
0.4
R1
L1
Si9410DY
510k
N
ZTX694B
R2
R2 = (R1)
V
1N5817
REF
133k
150 F
D1
R2
R2 = (R1)
V
1N5818
REF
D1
= 1.5V
C4
= 1.5V
V
(
C4
OUT
V
V
V
(
OUT
REF
OUT
@ 30mA
V
V
OUT
REF
= 16V
-1
= 24V
)
-1
)
11