MAX1771CSA Maxim Integrated Products, MAX1771CSA Datasheet - Page 15

• 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

Figure 7. -48V Input to 5V Output at 300mA, Without a Transformer
Figure 8. 2V Input to 24V Output LCD Bias
0.1µF
C5
3
4
7
5
FB
GND
SHDN
REF
MAX1771
______________________________________________________________________________________
3.3V OR 5V
BATTERY
INPUT
2V TO 12V
ON
10µF
100V
SUPPLY
AGND
C6
LOGIC
EXT
CS
V+
220µH–680µH
OFF
1
8
2
6
12V or Adjustable, High-Efficiency,
D03340
0.1µF
4
0.1µF
Low I
2
-48V
SHDN
L1
REF
MAX1771
5
1
3
MMBT8099LT1
Q1
MTD6N10
R1
0.15Ω
V+
2
GND
MBRS1100T3
EXTL
Q2
6, 7
CS
FB 3
5.1kΩ
D1
Q
R9
1
8
R5
1kΩ
R SENSE
, Step-Up DC-DC Controller
0.2Ω
22µH
L1
R6
200kΩ
MMFT3055ELT1
C8
1µF
N
CMPSH-3
D3
1N5817
D2
CMPZ5240/
MMBZ5240BL
10kΩ
10kΩ
R3
200Ω
R7
2.2µF
20V
ADJ = 12V TO 24V
R2
150kΩ
C4
(AS SHOWN)
OUTPUT
MMBT8599LT1
47µF
C7
220pF
Q3
R2
47kΩ
1%
R4
100kΩ
R3
16kΩ
1%
C1
220µF
10V
C2
220µF
10V
300mA
+5V
C3
0.33µF
15