參數(shù)資料
型號: MAX1759
廠商: Maxim Integrated Products, Inc.
元件分類: 數(shù)字信號處理
英文描述: Replaced by TMS320C6410 : Digital Signal Processor 100-LQFP
中文描述: Buck/boost穩(wěn)壓電荷泵,µMAX封裝
文件頁數(shù): 4/12頁
文件大小: 191K
代理商: MAX1759
M
Buck/Boost Regulating
Charge Pump in μMAX
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 1, C
IN
= 10μF, C
X
= 0.33μF, C
OUT
= 10μF, V
OUT
= 3.3V, V
IN
= 2.5V, T
A
= +25°C, unless otherwise noted.)
0
20
60
40
80
100
1.5
2.5
3.5
4.5
5.5
OUTPUT VOLTAGE RIPPLE
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
O
I
OUT
= 10mA
I
OUT
= 50mA
I
OUT
= 100mA
OUTPUT VOLTAGE vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
3.40
3.20
3.25
3.30
3.35
0.001
1
10
100
0.01
0.1
1000
0
20
10
40
30
60
50
70
90
80
100
1.5
2.5
3.5
4.5
5.5
EFFICIENCY vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
E
I
OUT
= 10mA
I
OUT
= 50mA
I
OUT
= 100mA
0.5
1.5
2.5
3.5
4.5
5.5
QUIESCENT CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
Q
μ
A
10,000
1
10
100
1000
NO LOAD
4
3
2
1
0
0.5
2.5
1.5
3.5
4.5
5.5
STARTUP INPUT VOLTAGE
(V
OUT
< V
IN
)
M
INPUT VOLTAGE (V)
O
R
LOAD
= 33
1
3
2
5
μ
s/div
TYPICAL SWITCHING WAVEFORMS
(V
OUT
< V
IN
)
M
CH1: V
OUT
, 20mV/div, AC-COUPLED
CH2: V
CXP
, 5V/div
CH3: V
IN
, 50mV/div, AC-COUPLED
LOAD-TRANSIENT RESPONSE
(V
OUT
> V
IN
)
R
LOAD
= 33
V
IN
= 4.2V
1
3
2
5
μ
s/div
TYPICAL SWITCHING WAVEFORMS
(V
OUT
> V
IN
)
M
CH1: V
OUT
, 20mV/div, AC-COUPLED
CH2: V
CXP
, 5V/div
CH3: V
, 50mV/div, AC-COUPLED
R
LOAD
= 33
V
IN
1
2
100
μ
s/div
LOAD-TRANSIENT RESPONSE
(V
OUT
< V
IN
)
M
CH1: V
OUT
, 20mV/div, AC-COUPLED
CH2: I
OUT
, 100mA/div
LOAD STEP: 10mA TO 100mA
V
IN
= 4.2V
1
2
100
μ
s/div
M
CH1: V
OUT
, 20mV/div, AC-COUPLED
CH2: I
OUT
, 100mA/div
LOAD STEP: 10mA TO 100mA
V
IN
= 2.5V
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