MAX1759EUB-T Maxim Integrated Products, MAX1759EUB-T Datasheet - Page 4

• Manufacturer Part Number: MAX1759EUB-T
• Description: Charge Pumps Buck/Boost Regulating
• Manufacturer: Maxim Integrated Products

Specifications of MAX1759EUB-T

• Function: Step Up, Step Down
• Output Voltage: 3.3 V, 2.5 V to 5.5 V
• Output Current: 100 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: uMAX-10
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

Buck/Boost Regulating
Charge Pump in µMAX
(Circuit of Figure 1, C
4
10,000
1000
100
100
10
80
60
40
20
_______________________________________________________________________________________
0
1
2
1
3
0.5
1.5
CH1: V
CH2: V
CH3: V
R
V
TYPICAL SWITCHING WAVEFORMS
LOAD
IN
= 2.5V
OUT
CXP
IN
OUTPUT VOLTAGE RIPPLE
1.5
= 33Ω
, 50mV/div, AC-COUPLED
, 20mV/div, AC-COUPLED
, 5V/div
QUIESCENT CURRENT
2.5
I
OUT
vs. INPUT VOLTAGE
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 10mA
(V
2.5
OUT
5µs/div
IN
3.5
> V
= 10µF, C
3.5
IN
)
I
OUT
I
OUT
4.5
= 100mA
= 50mA
4.5
NO LOAD
X
= 0.33µF, C
5.5
5.5
OUT
3.40
3.35
3.30
3.20
3.25
4
3
2
1
0
1
2
0.001
0.5
CH1: V
= 10µF, V
CH2: I
OUTPUT VOLTAGE vs. LOAD CURRENT
LOAD STEP: 10mA TO 100mA
V
IN
R
= 4.2V
OUT
0.01
LOAD
OUT
LOAD-TRANSIENT RESPONSE
STARTUP INPUT VOLTAGE
1.5
, 100mA/div
, 20mV/div, AC-COUPLED
= 33Ω
LOAD CURRENT (mA)
OUT
0.1
INPUT VOLTAGE (V)
(V
(V
2.5
OUT
100µs/div
OUT
= 3.3V, V
1
< V
< V
Typical Operating Characteristics
3.5
IN
IN
10
)
)
IN
4.5
= 2.5V, T
100
1000
5.5
A
= +25°C, unless otherwise noted.)
100
90
80
70
60
50
40
30
20
10
0
2
1
3
1
2
1.5
CH1: V
CH2: V
CH3: V
CH1: V
CH2: I
R
V
LOAD STEP: 10mA TO 100mA
V
TYPICAL SWITCHING WAVEFORMS
LOAD
IN
IN
EFFICIENCY vs. INPUT VOLTAGE
= 4.2V
OUT
= 2.5V
OUT
CXP
IN
OUT
LOAD-TRANSIENT RESPONSE
= 33Ω
, 50mV/div, AC-COUPLED
, 100mA/div
, 20mV/div, AC-COUPLED
, 5V/div
, 20mV/div, AC-COUPLED
2.5
I
I
OUT
OUT
INPUT VOLTAGE (V)
= 10mA
= 50mA
(V
(V
OUT
OUT
100µs/div
5µs/div
3.5
< V
> V
IN
IN
)
)
I
OUT
4.5
= 100mA
5.5