tc7660s Microchip Technology Inc., tc7660s Datasheet - Page 2
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tc7660s
Manufacturer Part Number
tc7660s
Description
Super Charge Pump Dc-to-dc Voltage Converter
Manufacturer
Microchip Technology Inc.
Datasheet
1.TC7660S.pdf
(11 pages)
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TC7660S-14 9/16/96
TC7660S
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage ......................................................... +13V
LV, Boost, OSC Inputs
Current Into LV (Note 1) ...................... 20 A for V
Output Short Duration (V
Power Dissipation (T
ELECTRICAL CHARACTERISTICS:
Symbol
I
I
V
V
R
F
P
V
Z
NOTES: 1. Connecting any input terminal to voltages greater than V
+
+
OSC
OSC
+
+
EFF
OUT
OUT
H
L
Voltage (Note 1) ......................... – 0.3V to (V
CerDIP ............................................................800mW
Plastic DIP ......................................................730mW
SOIC ...............................................................470mW
E
FF
2. Derate linearly above 50 C by 5.5mW/ C.
inputs from sources operating from external supplies be applied prior to "power up" of the TC7660S.
Parameter
Supply Current
(Boost pin OPEN or GND)
Supply Current
(Boost pin = V
Supply Voltage Range, High
Supply Voltage Range, Low
Output Source Resistance
Oscillator Frequency
Power Efficiency
Voltage Conversion Efficiency
Oscillator Impedance
A
70 C) (Note 2)
SUPPLY
+
)
(V
5.5V) ......... Continuous
+
– 5.5V) to (V
for V
for V
T
indicated.
Test Conditions
R
0 C
– 40 C
– 55 C
0 C
– 40 C
– 55 C
Min
R
Min
R
I
I
I
I
V
0 C
– 55 C
Pin 7 open; Pin 1 open or GND
Boost Pin = V
R
T
Boost Pin = V
R
V
V
OUT
OUT
OUT
OUT
MIN
A
+
+
+
L
L
L
L
L
= 2V, I
= 2V
= 5V
=
= 10k , LV Open
= 10k , LV to GND
= 5 k ; Boost Pin Open
=
= +25 C, V
+
+
+
+
+
= 20mA
= 20mA, 0 C
= 20mA, – 40 C
= 20mA, – 55 C
+0.3V)
> 3.5V
+0.3V)
< 5.5V
> 5.5V
T
T
T
T
T
T
A
A
A
A
A
A
T
T
T
T
T
OUT
A
A
A
A
A
+
Max,
Max,
+70 C
+70 C
+70 C
T
or less than GND may cause destructive latch-up. It is recommended that no
MAX
+
+
= 3mA, LV to GND
+85 C
+125 C
+85 C
+125 C
+125 C
2
+
; Boost Pin Open
Operating Temperature Range
Storage Temperature Range ................ – 65 C to +150 C
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 perma-
nent 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.
= 5V, C
T
A
C Suffix .................................................. 0 C to +70 C
E Suffix ............................................. – 40 C to +85 C
M Suffix ........................................... – 55 C to +125 C
T
T
SUPER CHARGE PUMP DC-TO-DC
A
A
+70 C
OSC
+85 C
+125 C
= 0, Test Circuit (Figure 1), unless otherwise
VOLTAGE CONVERTER
Min
1.5
96
95
99
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
© 2001 Microchip Technology Inc.
Typ
99.9
100
105
80
—
—
—
—
—
—
—
—
60
70
70
—
—
10
45
98
98
88
1
Max
160
180
180
200
300
350
400
100
120
120
150
250
400
3.5
12
—
—
—
—
—
—
—
—
DS21467A
Unit
V
V
kHz
%
%
M
k
A
A