參數(shù)資料
型號: MAX1965TEEP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
中文描述: 0.05 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-20
文件頁數(shù): 8/30頁
文件大?。?/td> 475K
代理商: MAX1965TEEP
M
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 12V, V
OUT
= 3.3V, T
A
= +25
°
C, unless otherwise noted.)
2.50
0.01
0.1
1000
100
POSITIVE LINEAR REGUALTOR
OUTPUT VOLTAGE vs. LOAD CURRENT
(Q
LDO
= TIP30)
2.42
2.44
2.46
2.48
M
LOAD CURRENT (mA)
O
1
10
V
SUP(POS)
= 5.0V
V
SUP(POS)
= 3.3V
2.42
2.44
2.46
2.48
2.50
2
4
6
8
10
12
POSITIVE LINEAR REGULATOR
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
(Q
LDO
= TIP30)
M
SUPPLY VOLTAGE (V)
O
I
OUT2
= 1mA
I
OUT2
= 100mA
80
70
60
50
40
30
20
10
0
0.1
10
100
1
1000
POSITIVE LINEAR REGULATOR
POWER-SUPPLY REJECTION RATIO
(Q
LDO
= TIP30)
M
FREQUENCY (kHz)
P
I
OUT2
= 150mA
POSITIVE LINEAR REGULATOR
LOAD TRANSIENT
(Q
LDO
= TIP30)
MAX1964/65 toc19
250mA
2.453V
2.473V
A. I
OUT2
= 10mA TO 250mA, 200mA/div
B. V
OUT2
= 2.5V, 10mV/div
C
LDO(POS)
= 10
μ
F CERAMIC, V
SUP(POS)
= 3.3V
CIRCUIT OF FIGURE 1
0
B
A
10
μ
s
0
10
5
25
20
15
40
35
30
45
0
4
2
6
8
10
NEGATIVE LINEAR REGULATOR BASE-
DRIVE CURRENT vs. BASE-DRIVE VOLTAGE
M
V
OUT
- V
B5
(V)
B
V
FB5
= 250mV
V
FB5
= 50mV
V
OUT
= 5.0V
V
OUT
= 3.3V
B5 (MAX1965) ONLY
-12.00
-12.06
-12.12
-12.18
-12.24
0.01
1
10
100
0.1
1000
NEGATIVE LINEAR REGULATOR
OUTPUT VOLTAGE vs. LOAD CURRENT
(Q
LDO
= TIP29)
M
LOAD CURRENT (mA)
O
V
SUP(NEG)
= -15V
V
OUT3
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