LTC1517CS5-3.3#TRPBF Linear Technology, LTC1517CS5-3.3#TRPBF Datasheet - Page 6

• Manufacturer Part Number: LTC1517CS5-3.3#TRPBF
• Description: IC CHARGE PUMP REG 3.3V SOT23-5
• Manufacturer: Linear Technology
• Type: Switched Capacitor (Charge Pump)r

Specifications of LTC1517CS5-3.3#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 15mA
• Frequency - Switching: 700kHz
• Voltage - Input: 2 ~ 4.4 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC1517-3.3
TYPICAL APPLICATIONS
6
2.7V TO 4.4V
V
IN
Q1, Q2: 2N3904
3.3 F
470
2V TO 4.4V
C1
V
IN
5
–
1
LTC1517-3.3
V
0.1 F
IN
GND
Q2
2
V
C1
OUT
+
3.3 F
4
3
3.3 F
U
**
3.3 F
470
*
CENTRAL SEMICONDUCTOR CMPSH-35 DUAL SCHOTTKY
OPTIONAL CIRCUITRY FOR MAINTAINING – V
V
Q1, Q2: 2N3904
OUT
Generating 3.3V and a Negative Supply
0.1 F
A
C1
V
LOADS
IN
5
–
1
1 F
LTC1517-3.3
1517 TA04a
Low Noise Boosted 3.3V Supply
0.1 F
GND
Q1
2
B
V
C1
OUT
*
+
4
3
V
I
V
OUT
3.3 F
OUT
RIPPLE
= 8mA
= 3.3V
= 2mV
Q1
**
470
P-P
OUT
WITH LOW
A
3.3 F
B
Q2
21.5k
10k
AC COUPLED
AC COUPLED
50mV/DIV
1517 TA05
2mV/DIV
V
OUT
V
I
I
– V
– I
OUT
OUT
OUT
OUT
OUT
V
I
OUT
IN
= 5mA (2V V
= 10mA (2.5V V
= 3.3V 4%
= 0mA to 5mA
= 2.7V
= –0.8V TO – 3V
= 5mA
IN
IN
4.4V)
10 s/DIV
4.4V)
1517 TA04b