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TC1044SMJA Datasheet(PDF) 2 Page - Microchip Technology

No. de pieza TC1044SMJA
Descripción Electrónicos  Charge Pump DC-TO-DC Voltage Converter
Download  11 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC1044SMJA Datasheet(HTML) 2 Page - Microchip Technology

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TC1044S-12 9/16/96
TC1044S
Charge Pump DC-TO-DC Voltage Converter
2
© 2001 Microchip Technology Inc.
DS21348A
Package Power Dissipation (TA ≤ 70°C) (Note 2)
8-Pin CerDIP .................................................. 800mW
8-Pin Plastic DIP ............................................. 730mW
8-Pin SOIC ..................................................... 470mW
Operating Temperature Range
C Suffix .................................................. 0
°C to +70°C
I Suffix ............................................... – 25
°C to +85°C
E Suffix ............................................. – 40
°C to +85°C
M Suffix ........................................... – 55
°C to +125°C
Storage Temperature Range ................ – 65
°C to +150°C
ELECTRICAL CHARACTERISTICS: TA = +25°C, V+ = 5V, COSC = 0, Test Circuit (Figure 1), unless otherwise
indicated.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
I
+
Supply Current
RL =
80
160
µA
0
°C < TA < +70°C
180
– 40
°C < TA < +85°C
180
– 55
°C < TA < +125°C
200
I
+
Supply Current
0
°C < TA < +70°C
300
µA
(Boost Pin = V
+)– 40
°C < TA < +85°C
350
– 55
°C < TA < +125°C
400
V
+
H2
Supply Voltage Range, High
Min
≤ TA ≤ Max,
3
12
V
RL = 10 kΩ, LV Open
V
+
L2
Supply Voltage Range, Low
Min
≤ TA ≤ Max,
1.5
3.5
V
RL = 10 kΩ, LV to GND
ROUT
Output Source Resistance
IOUT = 20mA
60
100
IOUT = 20mA, 0°C ≤ TA ≤ +70°C
70
120
IOUT = 20mA, –40°C ≤ TA ≤ +85°C
70
120
IOUT = 20mA, –55°C ≤ TA ≤ +125°C
105
150
V
+ = 2V, IOUT = 3 mA, LV to GND
0
°C ≤ TA ≤ +70°C
250
– 55
°C ≤ TA ≤ +125°C
400
FOSC
Oscillator Frequency
Pin 7 open; Pin 1 open or GND
10
kHz
Boost Pin = V
+
—45
PEFF
Power Efficiency
RL = 5 kΩ; Boost Pin Open
96
98
%
TMIN < TA < TMAX; Boost Pin Open
95
97
Boost Pin = V
+
—88
VOUT EFF
Voltage Conversion Efficiency
RL =
99
99.9
%
ZOSC
Oscillator Impedance
V
+ = 2V
1
M
V
+ = 5V
100
k
NOTES: 1. Connecting any input terminal to voltages greater than V+ or less than GND may cause destructive latch-up. It is recommended that no
inputs from sources operating from external supplies be applied prior to "power up" of the TC1044S.
2. Derate linearly above 50
°C by 5.5mW/°C.
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage ......................................................... +13V
LV, Boost and OSC Inputs
Voltage (Note 1) ......................... – 0.3V to (V++ 0.3V)
for V+ < 5.5V
(V+ – 5.5V) to (V++ 0.3V)
for V+ > 5.5V
Current Into LV (Note 1) ...................... 20
µA for V+ > 3.5V
Output Short Duration (VSUPPLY ≤ 5.5V) ......... Continuous
Lead Temperature (Soldering, 10 sec) ................. +300
°C
*Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. 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.


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