参数资料
型号: LTC3450EUD
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC CONV PS TRIPLE TFT/LCD 16QFN
标准包装: 121
应用: 转换器,TFT,LCD
输入电压: 1.5 V ~ 4.6 V
输出数: 3
输出电压: 5.1V,-5V,±10V,±15V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(3x3)
包装: 管件
LTC3450
ABSOLUTE
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1) (Referred to GND)
C3
2
11 C1
V IN , SW..........................................................–0.3 to 7V
SHDN, MODE ................................................. – 0.3 to 7V
V OUT .......................................................................... – 0.3 to 5.5V
V NEG ........................................................................ –17V to 0.3V
Operating Temperature Range
LTC3450E (Note 4) ............................. – 40 ° C to 85 ° C
C3 + 1
V NEG 3
MODE 4
TOP VIEW
16 15 14 13
17
5 6 7 8
12 V2X
+
10 C1 –
9 GND
ORDER PART
NUMBER
LTC3450EUD
UD PART MARKING
Storage Temperature Range ................. – 65 ° C to 125 ° C
LAAC
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
EXPOSED PAD IS V NEG (PIN 17)
MUST BE SOLDERED TO PCB
T JMAX = 125 ° C, θ JA = 68 ° C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 3.6V, V OUT = 5.2V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
V IN Quiescent Supply Current
V OUT Quiescent Supply Current
V IN Quiescent Supply Current
V OUT Quiescent Supply Current
V IN Quiescent Current
MODE = V IN
MODE = V IN
MODE = GND
MODE = GND
SHDN = GND, V OUT OPEN
1.5
75
80
30
13
0.01
4.6
130
50
2
V
μ A
μ A
μ A
μ A
μ A
5V Boost Regulator
V OUT Output Voltage
Load on V OUT = 5mA
5.049
5.100
5.151
V
V OUT Efficiency
V OUT Maximum Output Current
Switch Current Limit
Switching Frequency—Boost
Switching Frequency—Boost
Load on V OUT = 5mA, (Note 2)
L = 47 μ H, (Note 2)
MODE = V IN
MODE = GND
90
90
11
120
550
15.62
%
mA
mA
kHz
kHz
Charge Pumps
V2X Output Voltage
Load on V2X = 100 μ A
9.792
10.1
10.608
V
3450fa
2
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