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參數(shù)資料
| 型號： | LT1054L |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Switched-Capacitor Voltage Converter with Regulator(帶穩(wěn)壓器的開關(guān)電容電壓轉(zhuǎn)換器) |
| 中文描述： | 開關(guān)電容電壓轉(zhuǎn)換器穩(wěn)壓器（帶穩(wěn)壓器的開關(guān)電容電壓轉(zhuǎn)換器） |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 281K |
| 代理商： | LT1054L |
3
LT1054/LT1054L
ELECTRICAL C
HARA TERISTICS
PARAMETER
Supply Current
CONDITIONS
I
LOAD
= 0mA
MIN
TYP
2.5
3.0
2.5
3.0
MAX
4.0
5.0
4.0
5.0
15
7
UNITS
mA
mA
mA
mA
LT1054:
V
IN
= 3.5V
V
IN
= 15V
G
G
LT1054L: V
IN
= 3.5V
G
G
V
IN
= 7V
Supply Voltage Range
LT1054
LT1054L
C
IN
= C
OUT
= 100
μ
F Tantalum (Note 4)
I
OUT
= 10mA
I
OUT
= 100mA
I
OUT
= 125mA (LT1054L)
I
OUT
= 10mA to 100mA (Note 5)
LT1054:
3.5V
≤
V
IN
≤
15V
LT1054L: 3.5V
≤
V
IN
≤
7V
I
REF
= 60
μ
A, T
J
= 25
°
C
G
G
3.5
3.5
V
V
Voltage Loss (V
IN
–
V
OUT
)
G
G
G
0.35
1.10
1.35
10
25
25
2.50
0.55
1.60
1.75
15
35
35
2.65
2.75
–5.20
25
50
V
V
V
Output Resistance
Oscillator Frequency
G
G
G
15
15
2.35
2.25
–4.70
kHz
kHz
Reference Voltage
V
V
V
G
Regulated Voltage
Line Regulation
Load Regulation
Maximum Switch Current
Supply Current in Shutdown
V
IN
= 7V, T
J
= 25
°
C, R
L
= 500
(Note 6)
LT1054: 7V
≤
V
IN
≤
12V, R
L
= 500
(Note 6)
V
IN
= 7V, 100
≤
R
L
≤
500
(Note 6)
–5.00
5
10
300
100
G
mV
mV
mA
μ
A
G
V
PIN1
= 0V
G
200
(Note 7)
Note 5:
Output resistance is defined as the slope of the curve, (
V
OUT
vs
I
OUT
), for output currents of 10mA to 100mA. This represents the linear
portion of the curve. The incremental slope of the curve will be higher at
currents <10mA due to the characteristics of the switch transistors.
Note 6:
All regulation specifications are for a device connected as a
positive-to-negative converter/regulator with R1 = 20k, R2 = 102.5k,
C1 = 0.002
μ
F, (C1 = 0.05
μ
F S package) C
IN
= 10
μ
F tantalum,
C
OUT
= 100
μ
F tantalum.
Note 7:
The S8 package uses a different die than the H, J8, N8 and S
packages. The S8 device will meet all the existing data sheet parameters.
See Regulation and Capacitor Selection in the Applications Information
section for differences in application requirements.
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The absolute maximum supply voltage rating of 16V is for
unregulated circuits using LT1054. For regulation mode circuits using
LT1054 with V
OUT
≤
15V at Pin 5 (Pin 11 on S package), this rating may
be increased to 20V. The absolute maximum supply voltage for LT1054L
is 7V.
Note 3:
The devices are guaranteed by design to be functional up to the
absolute maximum junction temperature.
Note 4:
For voltage loss tests, the device is connected as a voltage
inverter, with pins 1, 6, and 7 (3, 12, and 13 S package) unconnected.
The voltage losses may be higher in other configurations.
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