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LT1054C 参数 Datasheet PDF下载

LT1054C图片预览
型号: LT1054C
PDF下载: 下载PDF文件 查看货源
内容描述: 与监管机构的开关电容电压转换器 [SWITCHED-CAPACITOR VOLTAGE CONVERTERS WITH REGULATORS]
分类和应用: 转换器开关
文件页数/大小: 26 页 / 442 K
品牌: TI [ TEXAS INSTRUMENTS ]
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ꢀꢁ ꢂꢃ ꢄꢅ  
ꢇꢈ ꢁ ꢊ ꢑ ꢋꢓꢕ ꢀ ꢎꢁꢐ ꢑꢆ  
ꢒꢋ  
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004  
functional block diagram  
V
REF  
V
CC  
6
8
2.5 V  
Ref  
R
R
Drive  
Drive  
2
4
+
CAP +  
1
7
FB/SD  
OSC  
C
IN  
Q
OSC  
CAP −  
Q
Drive  
3
GND  
C
OUT  
5
V
OUT  
Drive  
External capacitors  
Pin numbers shown are for the P package.  
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)  
Supply voltage, V  
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 V  
CC  
Input voltage range, V : FB/SD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to V  
I
CC  
OSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to V  
ref  
Junction temperature, T (see Note 2): LT1054C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125°C  
J
LT1054I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135°C  
Package thermal impedance, θ (see Notes 3 and 4): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . 57°C/W  
JA  
P package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85°C/W  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 150°C  
Storage temperature range, T  
stg  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTES: 1. The absolute maximum supply-voltage rating of 16 V is for unregulated circuits. For regulation-mode circuits with V  
rating may be increased to 20 V.  
15 V, this  
OUT  
2. The devices are functional up to the absolute maximum junction temperature.  
3. Maximum power dissipation is a function of T (max), θ , and T . The maximum allowable power dissipation at any allowable  
JA  
J
A
ambient temperature is P = (T (max) − T )/θ . Operating at the absolute maximum T of 150°C can impact reliability.  
D
J
A
JA  
J
4. The package thermal impedance is calculated in accordance with JESD 51-7.  
recommended operating conditions  
MIN  
3.5  
0
MAX  
15  
UNIT  
V
Supply voltage  
V
CC  
LT1054C  
LT1054I  
70  
T
A
Operating free-air temperature range  
°C  
−40  
85  
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
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