MAX860ISA Maxim Integrated Products, MAX860ISA Datasheet - Page 5

• Manufacturer Part Number: MAX860ISA
• Description: IC CONV SW-CAP CHARGE PUMP 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump), Doubler, Invertingr

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

(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
______________________________________________________________Pin Description
____________________________Typical Operating Characteristics (continued)
PIN
1
2
3
4
5
6
7
8
NAME
–
S
—
GND
OUT
C1+
V
C1-
H
FC
LV
—
DD
D
—
90
80
70
60
50
40
30
20
10
N
0
–
OUT
0.33
_______________________________________________________________________________________
OUTPUT CURRENT vs. CAPACITANCE
f
FC = OUT
LV = GND
INVERTER MODE
OSC
shown in the Capacitor Selection section.)
Switched-Capacitor Voltage Converters
Frequency Control, see Table 1
Flying-Capacitor Positive Terminal
Ground
Flying-Capacitor Negative Terminal
Negative Output
Low-Voltage-Operation Input. Connect to GND.
Active-Low Shutdown Input. Connect to V
used. Connect to GND to disable the charge pump.
Positive Input Supply
V
V
IN
= 250kHz
IN
HIGH-FREQUENCY MODE
= +3V, V
1
= +4.5V, V
CAPACITANCE ( F)
V
IN
2.2
OUT
MAX861
= +3V, V
OUT
= -2.7V
= -4V
V
V
4.7
OUT
IN
OUT
= +4.5V,
= -2.4V
= -3.5V
INVERTER
10
50mA, Frequency-Selectable,
22
DD
if not
FUNCTION
A
= +25°C. All capacitor values used are those recom-
80
70
60
50
40
30
20
10
0
Frequency Control, see Table 1
Flying-Capacitor Positive Terminal
Positive Input Supply
Flying-Capacitor Negative Terminal
Ground
Low-Voltage-Operation Input. Connect to OUT.
Active-Low Shutdown Input. Connect to GND pin if not
used. Connect to OUT to disable the charge pump.
Doubled Positive Output
0.33
OUTPUT CURRENT vs. CAPACITANCE
f
FC = GND
LV = GND
INVERTER MODE
OSC
= 100kHz
MEDIUM-FREQUENCY MODE
1
CAPACITANCE ( F)
V
V
IN
OUT
V
IN
2.2
= +3V,
MAX861
= +3V, V
= -2.4V
DOUBLER
4.7
OUT
V
V
IN
OUT
V
V
= -2.7V
IN
OUT
= +4.5V,
= +4.5V,
= -4V
10
= -3.5V
A
= +25°C, unless other-
22
O
in
5