TC110 Microchip Technology, TC110 Datasheet - Page 2

• Manufacturer Part Number: TC110
• Description: PFM/PWM Step-Up DC/DC Controller
• Manufacturer: Microchip Technology

TC110
1.0
Absolute Maximum Ratings*
Voltage on V
EXT Output Current ................................... ±100mA pk
Voltage on EXT Pin ........................-0.3V to V
Power Dissipation.............................................150mW
Operating Temperature Range............. -40°C to +85°C
Storage Temperature Range .............. -40°C to +125°C
TC110 ELECTRICAL SPECIFICATIONS
DS21355B-page 2
Electrical Characteristics: Note 1, V
V
V
V
I
I
I
f
V
DTYMAX Maximum Duty Cycle
DTYPFM Duty Cycle (PFM Mode)
V
V
REXTH
REXTL
η
Note
DD
STBY
SHDN
OSC
Symbol
DD
START
HOLD-UP
OUT
IH
IL
1:
2:
3:
ELECTRICAL
CHARACTERISTICS
V
V
V
See Application Notes “Operating Mode” description for clarification.
V
Operating Supply Voltage
Start-Up Supply Voltage
Oscillator Hold-Up Voltage
Boost Mode Supply Current
Standby Supply Current
Shutdown Supply Current
Oscillator Frequency
Output Voltage
(PWM Mode)
SHDN Input Logic High
SHDN Input Logic Low
EXT ON Resistance to V
EXT ON Resistance to GND
Efficiency
R
R
R
R
DD
= 3.0V, I
= 3.3V, I
= 5.0V, I
is the factory output voltage setting.
, V
OUT
Parameter
OUT
OUT
OUT
, SHDN Pins ........ -0.3V to +12V
= 120mA
= 130mA
= 200mA
DD
IN
= 0.6 x V
x 0.975
0.65
Min
255
2.0
V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
85
—
15
—
—
—
—
—
—
—
—
R
R
DD
, V
0.05
Typ
120
130
180
300
100
V
50
50
70
20
20
22
11
11
11
25
32
29
20
20
19
13
84
—
—
—
—
—
—
DD
+0.3V
R
= V
x 1.025
OUT
Max
10.0
0.20
190
200
280
100
120
345
115
0.9
0.7
0.5
V
90
34
35
38
20
20
22
92
35
47
43
29
30
27
19
—
—
R
, T
A
Units
= 25°C, unless otherwise noted.
kHz V
µA
µA
µA
%
%
Ω
Ω
%
V
V
V
V
V
V
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
Note 2
I
I
V
V
SHDN = GND, V
Note 3
V
I
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
EXT
OUT
EXT
= 1mA
= 1mA
= 0mA
= (V
= 0.4V
= SHDN = (0.95 x V
= SHDN = (V
= SHDN = (0.95 x V
= SHDN = 0.95 x V
= (V
= (V
= SHDN = (V
= SHDN = (V
OUT
R
R
x 0.95)
x 0.95)
– 0.4V)
O
= (V
R
R
R
Test Conditions
+ 0.5V); f
x 0.95); V
x 0.95); V
R
©
x 0.95)
R
2002 Microchip Technology Inc.
R
R
); f
); f
V
V
V
V
f
OSC
OSC
f
f
OSC
OSC
R
OSC
OSC
R
R
R
R
R
= 3.0V
= 3.3V
= 5.0V
= 3.0V
= 3.3V
= 5.0V
= 300kHz; V
= 300kHz
= 100kHz
= 300kHz; V
= 100kHz; V
= 100kHz; V
V
V
V
V
V
V
V
V
R
R
R
R
R
R
R
R
R
R
R
R
= 3.0V
= 3.3V
= 5.0V
= 3.0V
= 3.3V
= 5.0V
= 3.0V
= 3.3V
= 5.0V
= 3.0V
= 3.3V
= 5.0V