參數(shù)資料
型號(hào): LTC1751-5
廠商: Linear Technology Corporation
英文描述: Micropower, Regulated Charge Pump DC/DC Converters
中文描述: 微功耗,穩(wěn)壓電荷泵DC / DC轉(zhuǎn)換器
文件頁數(shù): 2/12頁
文件大小: 211K
代理商: LTC1751-5
2
LTC1751/LTC1751-3.3/LTC1751-5
ORDER PART
NUMBER
LTC1751EMS8
LTC1751EMS8-3.3
LTC1751EMS8-5
MS8 PART MARKING
LTKL
LTKN
LTKP
T
JMAX
= 150
°
C,
θ
JA
= 160
°
C/W
*PGOOD ON LTC1751-3.3/LTC1751-5
FB ON LTC1751
Consult factory for parts specified with wider operating temperature ranges.
The
G
denotes specifications which apply over the full specified
temperature range, otherwise specifications are at T
A
= 25
°
C. C
FLY
= 1
μ
F, C
IN
= 10
μ
F, C
OUT
= 10
μ
F unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
LTC1751-3.3
V
IN
Input Supply Voltage
V
OUT
Output Voltage
2V
V
IN
4.4V, I
OUT
40mA
2.5V
V
IN
4.4V, I
OUT
80mA
I
CC
Operating Supply Current
2V
V
IN
4.4V, I
OUT
= 0mA, SHDN = V
IN
V
R
Output Ripple
V
IN
= 2.5V, I
OUT
= 40mA
η
Efficiency
V
IN
= 2V, I
OUT
= 40mA
LTC1751-5
V
IN
Input Supply Voltage
V
OUT
Output Voltage
2.7V
V
IN
5.5V, I
OUT
50mA
3V
V
IN
5.5V, I
OUT
100mA
I
CC
Operating Supply Current
2.7V
V
IN
5.5V, I
OUT
= 0mA, SHDN = V
IN
V
R
Output Ripple
V
IN
= 3V, I
OUT
= 50mA
η
Efficiency
V
IN
= 3V, I
OUT
= 50mA
LTC1751
V
IN
Input Supply Voltage
I
CC
Operating Supply Current
2V
V
IN
5.5V, I
OUT
= 0mA, SHDN = V
IN
(Note 4 )
V
FB
FB Regulation Voltage
2V
V
IN
5.5V, I
OUT
20mA
I
FB
FB Input Current
V
FB
= 1.3V
R
OUT
Open-Loop Charge Pump Strength
V
IN
= 2V, V
OUT
= 3.3V (Note 5)
V
IN
= 2.7V, V
OUT
= 5V (Note 5)
(Note 1)
V
IN
to GND.................................................. –0.3V to 6V
PGOOD, FB, V
OUT
to GND........................... –0.3V to 6V
SS, SHDN to GND........................ –0.3V to (V
IN
+ 0.3V)
V
OUT
Short-Circuit Duration.............................Indefinite
I
OUT
(Note 2)....................................................... 125mA
Operating Temperature Range (Note 3).. –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
1
2
3
4
FB/PGOOD*
V
OUT
V
IN
GND
8
7
6
5
SS
SHDN
C
C
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
MIN
TYP
MAX
UNITS
G
2
4.4
3.43
3.43
40
V
V
V
G
G
3.17
3.17
3.3
3.3
18
68
80
G
μ
A
mV
P-P
%
G
2.7
4.8
4.8
5.5
5.2
5.2
50
V
V
V
G
G
5
5
G
20
75
82
μ
A
mV
P-P
%
G
2
5.5
40
1.253
50
20
12
V
G
16
μ
A
V
nA
G
1.157
–50
1.205
G
G
G
8.5
6.0
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