MAX1747EUP+ Maxim Integrated Products, MAX1747EUP+ Datasheet - Page 5

• Manufacturer Part Number: MAX1747EUP+
• Description: Charge Pumps Triple Charge-Pump TFT LCD DC/DC Conv
• Manufacturer: Maxim Integrated Products

Specifications of MAX1747EUP+

• Function: Step Up, Step Down
• Output Voltage: 4.5 V to 5.5 V, +/- 35 V
• Output Current: 200 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: TSSOP-20
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(
1500pF, V
Note 1: Specifications from 0°C to -40°C are guaranteed by design, not production tested.
(Circuit of Figure 1, V
V
REFERENCE
Reference Voltage
Reference Undervoltage
Threshold
LOGIC SIGNALS
SHDN Input Low Voltage
SHDN Bias Voltage
SHDN Input Current Range
RDY Output Low Voltage
RDY Output High Leakage
IN
= V
5.03
5.02
5.01
5.00
4.99
4.98
4.97
SUPM
0
PARAMETER
OUT
(MAIN CHARGE PUMP ONLY)
= +3.0V, V
= +5V, T
MAIN OUTPUT EFFICIENCY
100
vs. LOAD CURRENT
V
IN
= 2.8V
_______________________________________________________________________________________
IN
I
OUT
A
= V
200
SUPP
= -40°C to +85°C, unless otherwise noted.) (Note 1)
(mA)
SUPM
V
= V
V
IN
IN
300
= +3.3V, T
= 4.0V
= 3.3V
SUPM
SYMBOL
I
V
SHDN
REF
= +5V, TGND = PGND = GND, I
400
A
= +25°C, unless otherwise noted.)
100
-2µA < I
V
I
For 200kHz to 2MHz operation
I
V
90
80
70
60
50
40
SINK
SHDN
REF
RDY
0
Triple Charge-Pump TFT LCD
rising
= 2mA
= 13V
= 22µA
(MAIN CHARGE PUMP ONLY)
REF
MAIN OUTPUT EFFICIENCY
V
100
IN
vs. LOAD CURRENT
< 50µA
V
V
= 2.8V
IN
IN
= 3.3V
= 4.0V
CONDITIONS
I
OUT
200
(mA)
Typical Operating Characteristics
SHDN
300
V
OUT
= 22µA, C
= 5V
400
DC-DC Converter
OUT
100
90
80
70
60
50
40
= 2
0
1.222
0.95
MIN
580
3
✕
4.7µF, C
(MAIN CHARGE PUMP ONLY)
V
MAIN OUTPUT EFFICIENCY
IN
= 2.8V
100
vs. LOAD CURRENT
V
REF
V
NEG
I
POS
OUT
200
= -7V WITH I
= 12V WITH I
(mA)
= 0.22µF, C
V
IN
1.269
MAX
1.18
900
= 3.3V
0.4
0.5
65
1
300
NEG
V
POS
IN
V
OUT
= 4.0V
= 10mA
= 5mA
UNITS
INTG
= 5V
mV
µA
µA
V
V
V
V
400
5
=