參數(shù)資料
型號: LTC1705
廠商: Linear Technology Corporation
英文描述: Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO
中文描述: 雙550kHz的同步開關(guān),5位VID和150mA LDO穩(wěn)壓器控制器
文件頁數(shù): 5/28頁
文件大?。?/td> 326K
代理商: LTC1705
LTC1705
5
I
LOAD
(A)
0
0.5
1
1.5
2
2.5
E
1705 G07
100
90
80
70
60
50
V
= 5V, V
= 1.5V, T
= 25
°
C,
CORE DISABLED, QTIO = QBIO = NDS8926
TEMPERATURE (
°
C)
–50
–25
0
25
50
75
100
125
C
1705 G09
24
22
20
18
16
14
12
10
V
IN
= 5V, V
= 1.6V,
V
= –1%,
R
IMAXC
= 24.9k, QTC = QBC = 2
×
FDS6670A
LOAD CURRENT (A)
0
4
8
12
16
20
V
O
1705 G10
2.0
1.5
1.0
0.5
0
T
A
= 25
°
C, V
IN
= 5V,
V
= 1.6V,
QBC = 2
×
FDS6670A,
R
IMAXC
= 24.9k,
C
RUNSS
= 0.01
μ
F
TEMPERATURE (
°
C)
–50
–25
0
25
50
75
100
125
V
O
1705 G11
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
V
INCLK
= 3.3V
V
INCLK
(V)
3
3.5
4
4.5
5
5.5
6
V
O
1705 G12
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
V
O
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
T
A
= 25
°
C
V
O
1705 G13
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
V
O
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
I
OUTCLK
(mA)
–150
–125
–100
–75
–50
–25
0
T
A
= 25
°
C
TEMPERATURE (
°
C)
–50
–25
0
25
50
75
100
125
V
D
1705 G14
500
450
400
350
300
250
200
150
100
I
OUTCLK
= –150mA
TEMPERATURE (
°
C)
–50
–25
0
25
50
75
100
125
I
C
1705 G15
–150
–190
–230
–270
–310
–350
V
INCLK
= 3.3V
TYPICAL PERFOR AU
I/O Supply Efficiency
V
OUTC
0A To 10A Load Step
Current Limit Threshold vs
Temperature
0A TO 10A
LOAD
5A/DIV
V
OUT
= 1.6V
DIV
5ms/DIV
1705 G08
V
OUTC
vs Load Current
V
OUTCLK
vs Temperature
V
OUTCLK
Line Regulation
V
OUTCLK
Load Regulation
V
OUTCLK
Dropout Voltage vs
Temperature
V
OUTCLK
Short-Circuit Current vs
Temperature
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