MAX860ISA Maxim Integrated Products, MAX860ISA Datasheet - Page 4
MAX860ISA
Manufacturer Part Number
MAX860ISA
Description
IC CONV SW-CAP CHARGE PUMP 8SOIC
Manufacturer
Maxim Integrated Products
Type
Switched Capacitor (Charge Pump), Doubler, Invertingr
Datasheet
1.MAX860ISA.pdf
(11 pages)
Specifications of MAX860ISA
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
-1.5 ~ -5.5 V, 3 ~ 11 V
Current - Output
50mA
Frequency - Switching
6kHz, 50kHz, 130kHz
Voltage - Input
1.5 ~ 5.5 V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Power - Output
471mW
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
Q1164637
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX860ISA
Manufacturer:
MAXIM
Quantity:
238
Part Number:
MAX860ISA
Manufacturer:
MAXIM/美信
Quantity:
20 000
Part Number:
MAX860ISA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
50mA, Frequency-Selectable,
Switched-Capacitor Voltage Converters
(All curves generated using the inverter circuit shown in the Typical Operating Circuits with LV = GND and T
wise noted. Test results also valid for doubler mode with LV = OUT and T
mended in Table 3, unless otherwise noted. The output resistance curves represent the resistance of the device itself, which is R
the equation for R
4
__________________________________________Typical Operating Characteristics
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
_______________________________________________________________________________________
32
28
24
20
16
12
500
400
300
200
100
0
8
4
0
0
-60
0
0
OUTPUT SOURCE RESISTANCE (R
SUPPLY VOLTAGE vs. LOAD CURRENT
FC = V
ALL FREQUENCIES
ALL FREQUENCIES
-40
INVERTER, LV = GND
OUTPUT VOLTAGE DROP FROM
MAX861 SUPPLY CURRENT
1
10
DD
-20
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
V
V
LOAD CURRENT (mA)
TEMPERATURE (°C)
DD
DD
OUT
0
TEMPERATURE
2
DOUBLER, LV = OUT
= +1.5V
= +5.5V
20
20
shown in the Capacitor Selection section.)
40
3
V
DD
V
DD
60 80
30
= +4.5V, +5.0V
V
DD
= +3V
4
V
V
V
= +2.5V
DD
DD
DD
100
= +3.5V
40
= +1.5V
= +5V
5
O
120
) vs.
140
50
6
100
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
-10
-12
-14
0
0
-2
-4
-6
-8
MAX860 OUTPUT CURRENT vs. CAPACITANCE
2
0
0.33
1.0
0.01
f
FC = OUT
LV = GND
INVERTER MODE
OSC
1.5 2.0
EFFICIENCY vs. LOAD CURRENT
V
OSCILLATOR FREQUENCY vs.
= 130kHz
IN
HIGH-FREQUENCY MODE
1
= +4.5V, V
0.1
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
SUPPLY VOLTAGE
CAPACITANCE ( F)
ALL FREQUENCIES,
LV CONNECTED TO GND
(INVERTER) OR OUT (DOUBLER)
2.5
2.2
V
V
IN
MAX860
V
3.0
V
IN
OUT
DD
IN
= +3V, V
= +4.5V, V
1
= +1.5V
= +3V, V
3.5
V
= -4V
DD
4.7
A
V
= +3V
4.0
OUT
DD
= +25°C. All capacitor values used are those recom-
OUT
INVERTER
OUT
= +5V
FC = V
10
4.5 5.0 5.5
= -2.7V
10
= -2.4V
= -3.5V
DD
100
22
20
18
16
14
12
10
80
70
60
50
40
30
20
10
500
400
300
200
100
8
6
4
2
0
0
MAX860 OUTPUT CURRENT vs. CAPACITANCE
0
0.33
0
0
OUTPUT SOURCE RESISTANCE (R
f
FC = GND
LV = GND
INVERTER MODE
FC = V
OSC
= 50kHz
MEDIUM-FREQUENCY MODE
MAX860 SUPPLY CURRENT
1
1
DD
1
INVERTER, LV = GND
(V
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
DD
SUPPLY VOLTAGE
CAPACITANCE ( F)
A
2
> 3V)
2
= +25°C, unless other-
2.2
DOUBLER, LV = OUT
V
IN
V
V
V
IN
3
IN
IN
= +4.5V, V
ALL FREQUENCIES
3
= +4.5V, V
= +3V, V
= +3V, V
4.7
4
4
OUT
OUT
OUT
OUT
10
= -2.4V
5
= -3.5V
= -2.7V
O
= -4V
) vs.
5
O
22
6
in