參數(shù)資料
型號: ISL97646IRZ-TK
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Boost + LDO + VON Slice + VCOM
中文描述: 3.1 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 4 MM, ROHS COMPLIANT, PLASTIC, QFN-24
文件頁數(shù): 6/15頁
文件大小: 450K
代理商: ISL97646IRZ-TK
6
FN6265.0
December 21, 2006
I
Typical Performance Curves
FIGURE 1. A
VDD
EFFICIENCY vs IA
VDD
FIGURE 2. A
VDD
LOAD REGULATION vs IA
VDD
FIGURE 3. LINE REGULATION A
VDD
vs V
IN
FIGURE 4. BOOST CONVERTER TRANSIENT RESPONSE
FIGURE 5. LINE REGULATION LDO_OUT vs V
IN
FIGURE 6. LDO LOAD REGULATION vs I
O
0
10
20
30
40
50
60
70
80
90
100
0
200
400
600
800
1000
1200
IA
VDD
(mA)
E
F
OSC
= 1.2MHz
F
OSC
= 650kHz
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0
200
400
600
800
1000
1200
IA
VDD
(mA)
L
F
OSC
= 1.2MHz
F
OSC
= 650kHz
10.15
10.2
10.25
10.3
10.35
10.4
10.45
10.5
3
3.5
4.0
4.5
5.0
5.5
6.0
V
IN
(V)
A
V
A
VDD
500mA
A
VDD
150mA
IA
VDD
A
VDD
(AC COUPLED)
L = 10μH, C
OUT
= 40μF, C
COMP
= 2.2nF, R
COMP
= 10k
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3
4
5
6
V
IN
(V)
L
3.3V OUTPUT, 100mA
2.85V OUTPUT, 100mA
2.85V OUTPUT, 350mA
2.5V OUTPUT, 100mA
3.3V OUTPUT, 350mA
2.5V OUTPUT, 350mA
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0
0
100
200
300
400
I
O
(mA)
L
ADJ = OPEN
ADJ = 0
ADJ = LDO_OUT
ISL97646
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