TC105303ECTTR Microchip Technology, TC105303ECTTR Datasheet - Page 7

• Manufacturer Part Number: TC105303ECTTR
• Description: IC PFM/PWM CONTRLLER 3V SOT23A-5
• Manufacturer: Microchip Technology
• Type: Step-Down (Buck)r

Specifications of TC105303ECTTR

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3V
• Current - Output: 1A
• Frequency - Switching: 300kHz
• Voltage - Input: 0.9 ~ 2.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Power - Output: 150mW
• Output Current: 1.0 A
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 4-3:
FIGURE 4-4:
TABLE 4-1:
©
Surface Mount
Miniature
Through-Hole
Standard
Through-Hole
2002 Microchip Technology Inc.
Type
2.5V
V
IN
V
IN
10µF
SUGGESTED COMPONENTS AND SUPPLIERS
16V
Sumida
CD54 Series
CDRH Series
Coilcraft
DO Series
Sumida
RCH Series
Coilcraft
PCH Series
Coiltronics
CTX Series
REGULATOR USING PNP TRANSISTOR
REGULATOR USING P-CHANNEL MOSFET
+
–
Inductors
10µF
16V
2200 pF
+
–
C
B
Si9430
+
–
P
FZ749
AVX
TPS Series
Sprague
595D Series
Sanyo
OS-CON Series
Nichicon
PL Series
United Chemi-Con
LXF Series
Q1
Sumida CD-54
Capacitors
R
500
B
Sumida CD-54
MA737
22µH
MA737
22µH
V
EXT
OUT
1
5
V
EXT
OUT
1
5
TC105
ON Semiconductor
MBRS340T3
Nihon
NSQ Series
Matsushita
MA737
IRC
OAR Series
V
TC105
DD
2
+
–
+
–
V
2
DD
SHDN/SS
47µF
10V Tantalum
47µF
10V Tantalum
Diodes
SHDN/SS
GND
3
4
GND
3
4
+
–
+
–
C
0.033µF
470K
R
SS
Silconix
Little Foot MOSFET Series
Zetex FZT749
PNP Bipolar Transistor
Toshiba 2SA1213 PNP
Transistor
ON Semiconductor
TMOS Power MOSFETs
(i.e., MTP30P06V)
C
0.033µF
SS
470K
R
SS
V
SS
OUT
V
1.8V
OUT
OFF
Transistors
OFF
ON
DS21349B-page 7
TC105
ON