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TCM829 Datasheet(PDF) 3 Page - Microchip Technology

Part # TCM829
Description  Switched Capacitor Voltage Converters
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TCM829 Datasheet(HTML) 3 Page - Microchip Technology

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© 2010 Microchip Technology Inc.
DS21488B-page 3
TCM828/TCM829
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
Input Voltage (VIN to GND) ..................................+30V
Output Voltage (OUT to GND) ...................6.0V, +0.3V
Current at OUT Pin ............................................ 50 mA
Short-Circuit Duration – OUT to GND ............Indefinite
Operating Temperature Range ................ -40°C to +85°C
Variable Temp. Range (TCM828 only) ...............................
.............................................................................-
40°C to +125°C
Power Dissipation (TA ≤ 70°C) ........................ 240 mW
Storage Temperature (Unbiased)..........-65°C to +150°C
Lead Temperature (Soldering, 10 sec)............ +300°C
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification
is not implied. Exposure to maximum rating conditions
for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS (0°C TO +85°C)
Electrical Specifications: TA = 0°C to +85°C, VIN = +5V, C1 = C2 = 10 µF (TCM828), C1 = C2 = 3.3 µF (TCM829),
unless otherwise noted. Typical values are at TA = +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Current
IDD
—50
90
µA
TCM828, TA = +25°C
115
260
µA
TCM829, TA = +25°C
Minimum Supply
Voltage
V+
1.5
V
RLOAD = 10 kΩ,
TA = 0°C to +85°C
Maximum Supply
Voltage
V+
——
5.5
V
RLOAD = 10 kΩ
Oscillator Frequency
FOSC
8.4
12
15.6
kHz
TCM828, TA = +25°C
24.5
35
45.5
kHz
TCM829, TA = +25°C
Power Efficiency
PEFF
—96
%
ILOAD = 3 mA,TA = +25°C
Voltage Conversion
Efficiency
VEFF
95
99.9
%
RLOAD = ∞
Output Resistance
ROUT
—25
50
Ω
IOUT = 5 mA,TA = +25°C
——
65
Ω
IOUT = 5 mA,TA = 0°C to +85°C
Note 1:
Capacitor contribution is approximately 20% of the output impedance [ESR = 1/pump frequency x
capacitance)].
ELECTRICAL CHARACTERISTICS (-40°C TO +85°C)
Electrical Specifications: TA = -40°C to +85°C, VIN = +5V, C1 = C2 = 10 µF (TCM828), C1 = C2 = 3.3 µF
(TCM829), unless otherwise noted. Typical values are at TA = +25°C. (Note 1)
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Current
IDD
——
115
µA
TCM828
325
µA
TCM829
Supply Voltage Range
V+
1.5
5.5
V
RLOAD = 10 kΩ
Oscillator Frequency
FOSC
6—
15.6
kHz
TCM828
19
45.5
kHz
TCM829
Output Resistance
ROUT
——
65
Ω
IOUT = 5 mA
Note 1:
All -40°C to +85°C specifications above are assured by design.


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