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Electrical Characteristics
Electrical Characteristics
TL7660
CMOS VOLTAGE CONVERTER
SCAS794 – JUNE 2006
V
CC
= 5 V, C
OSC
= 0, LV = Open, T
A
= 25 ° C (unless otherwise noted) (see Figure 1 )
PARAMETER TEST CONDITIONS T
A
(1)
MIN TYP MAX UNIT
25 ° C 45 110
I
CC
Supply current R
L
= ∞ –40 ° C to 85 ° C 120 µ A
–40 ° C to 125 ° C 135
V
CC,LOW
Supply voltage range (low) R
L
= 10 k Ω , LV = GND Full range 1.5 3.5 V
V
CC,HIGH
Supply voltage range (high) R
L
= 10 k Ω , LV Open Full range 3 10 V
25 ° C 45 70
I
O
= 20 mA –40 ° C to 85 ° C 85
–40 ° C to 125 ° C 135
R
OUT
Output source resistance Ω
25 ° C 125
V
CC
= 2 V, I
O
= 3 mA, LV = GND –40 ° C to 85 ° C 200
–40 ° C to 125 ° C 250
f
OSC
Oscillator frequency 25 ° C 10 kHz
25 ° C 96 98
η
POWER
Power efficiency R
L
= 5 k Ω %
–40 ° C to 125 ° C 95
25 ° C 99 99.9
η
VOUT
Voltage conversion efficiency R
L
= ∞ %
–40 ° C to 125 ° C 99
V
CC
= 2 V 1 M Ω
Z
OSC
Oscillator impedance 25 ° C
V
CC
= 5 V 100 k Ω
(1) Full range is –40 ° C to 85 ° C for the TL7660C and –40 ° C to 125 ° C for the TL7660I.
V
CC
= 3 V, C
OSC
= 0, LV = GND, (unless otherwise noted) (see Figure 1 )
PARAMETER TEST CONDITIONS T
A
MIN TYP MAX UNIT
25 ° C 24 50
I
CC
Supply current
(1)
R
L
= ∞ –40 ° C to 85 ° C 60 µ A
–40 ° C to 125 ° C 75
25 ° C 60 100
R
OUT
Output source resistance I
O
= 10 mA –40 ° C to 85 ° C 110 Ω
–40 ° C to 125 ° C 120
25 ° C 5 9
f
OSC
Oscillator frequency C
OSC
= 0 kHz
–40 ° C to 125 ° C 3
25 ° C 96 98
η
POWER
Power efficiency R
L
= 5 k Ω %
–40 ° C to 125 ° C 95
25 ° C 99
η
VOUT
Voltage conversion efficiency R
L
= ∞ %
–40 ° C to 125 ° C 99
(1) Derate linearly above 50 ° C by 5.5 mW/ ° C.
3
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