参数资料
型号: LTC1928ES6-5#TR
厂商: Linear Technology
文件页数: 2/8页
文件大小: 0K
描述: IC REG SWITCHED CAP DBL SOT23-6
标准包装: 2,500
类型: 切换式电容器(充电泵),倍增器
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 2.7 V ~ 4.4 V
PWM 型: Burst Mode?
频率 - 开关: 550kHz
电流 - 输出: 30mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
供应商设备封装: TSOT-23-6
LTC1928-5
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
V IN to Ground .............................................. – 0.3V to 5V
V OUT Voltage ........................................... – 0.3V to 5.25V
TOP VIEW
ORDER PART
NUMBER
CPO to Ground ........................................................ 10V
CN/SHDN to Ground ..................... – 0.3V to (V IN + 0.3V)
V OUT Short-Circuit Duration ............................. Indefinite
V IN 1
GND 2
V OUT 3
6 CN/SHDN
5 CP
4 CPO
LTC1928ES6-5
I OUT ......................................................................................... 40mA
Operating Temperature Range (Note 2) ... –40 ° C to 85 ° C
Maximum Junction Temperature ......................... 125 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
S6 PACKAGE S6 PART MARKING
6-LEAD PLASTIC SOT-23
T JMAX = 125 ° C, θ JA = 230 ° C/ W LTKT
Consult factory for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C.
V IN = 3V, C FLY = 0.47 μ F, C OUT , C CPO , C IN = 4.7 μ F unless otherwise specified.
PARAMETER
V IN Operating Voltage
I VIN Shutdown Current
I VIN Operating Current
CONDITIONS
SHDN = 0V (Note 5)
I OUT = 0mA, Burst Mode TM Operation
q
q
q
MIN
2.7
TYP
4
190
MAX
4.4
8
330
UNITS
V
μ A
μ A
Regulated Output Voltage
I OUT = 1mA
q
4.9
5
5.1
V
V OUT Temperature Coefficient
± 50
ppm
Charge Pump Oscillator Frequency
CPO Output Resistance
V OUT Dropout Voltage (Note 3)
I OUT > 500 μ A, V IN = 2.7V to 4.4V
V IN = 2.7V, I OUT = 10mA
V IN = 4.4V, I OUT = 10mA
I OUT = 10mA, V OUT = 5V
q
q
q
q
480
550
17
14
620
30
24
100
kHz
?
?
mV
V OUT Enable Time
V OUT Output Noise Voltage
R LOAD = 2k
I OUT = 10mA, 10Hz ≤ f ≤ 100kHz
I OUT = 10mA, 10Hz ≤ f ≤ 2.5MHz
0.6
90
800
ms
μ V RMS
μ V P-P
V OUT Line Regulation
V OUT Load Regulation
V IN = 2.7V to 4.4V, I OUT = 0
I OUT = 1mA to 10mA
q
q
4
2
20
10
mV
mV
I OUT = 1mA to 30mA (Note 4)
4
mV
V OUT Shutdown Resistance
CN/SHDN = 0V (Note 5)
V IN = 2.7V, Resistance Measured to Ground
V IN = 4.4V, Resistance Measured to Ground
q
q
160
100
400
300
?
?
CN/SHDN Input Threshold
CN/SHDN Input Current
V IN = 2.7V to 4.4V (Note 5)
CN/SHDN = 0V (Note 5)
q
q
0.15
–1
0.5
–3
1.6
–6
V
μ A
Burst Mode is a trademark of Linear Technology Corporation.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC1928ES6-5 is guaranteed to meet performance
specifications from 0 ° C to 70 ° C. Specifications over the – 40 ° C to 85 ° C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
2
Note 3: Dropout voltage is the minimum input/output voltage required to
maintain regulation at the specified output current. In dropout the output
voltage will be equal to: V CPO – V DROPOUT (see Figure 2).
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