LTC1682CMS8 Linear Technology, LTC1682CMS8 Datasheet - Page 6

• Manufacturer Part Number: LTC1682CMS8
• Description: IC MULTI CONFIG ADJ 90MA 8MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Switched Capacitor (Charge Pump), Doublerr

Specifications of LTC1682CMS8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.5 ~ 5.5 V
• Current - Output: 90mA
• Frequency - Switching: 550kHz
• Voltage - Input: 1.8 ~ 4.4 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

BLOCK DIAGRA
LTC1682/LTC1682-3.3/LTC1682-5
6
V
IN
4.7 F
C4
SHDN
2
6
W
POWER-
REGEN
RESET
ON
ENB
SM
V
REF
SD
= 1.235V
C
+
SLEW CONTROL
CHARGE PUMP
V
OSCILLATOR
IN
7
0.22 F
550kHz
AND
C1
Figure 1. LTC1682 Block Diagram
CLK1
5
3
C
FB
–
REG B
REGEN
–
+
ENB
1 A/2 A
LDO
4
1:100
GND
–
+
+
–
SD
100
328k
275k
38k
1
8
CPO
R1
R2
C3
4.7 F
1682 F01
C2
4.7 F
V
OUT