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參數(shù)資料
| 型號(hào)： | LM3352MTCX-2.5/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHED CAPACITOR REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 1.10 MM HEIGHT, TSSOP-16 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大小： | 545K |
| 代理商： | LM3352MTCX-2.5/NOPB |
Electrical Characteristics (Continued)
Limits in standard typeface are for T
J = 25C, and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: C
1 =C2 =C3 = 0.33 F; CIN = 15 F; COUT = 33 F; VIN = 3.5V.
Parameter
Conditions
Min
Typ
Max
Units
LM3352-3.3
Output Voltage (V
OUT
)
V
IN = 3.5V; I LOAD =
100 mA
3.251
3.3
3.349
V
2.5V < V
IN < 5.5V;
1mA < I
LOAD <
100 mA
3.201/3.168
3.3
3.399/3.432
4.0V < V
IN < 5.5V;
1mA < I
LOAD <
200 mA
3.201/3.168
3.3
3.399/3.432
Efficiency
I
LOAD =15mA
90
%
I
LOAD = 150 mA, VIN
= 4.0V
80
Output Voltage
Ripple
(Peak-to-Peak)
I
LOAD =50mA
C
OUT =33F
tantalum
75
mV
P-P
LM3352-ALL OUTPUT VOLTAGE VERSIONS
Operating Quiescent
Current
Measured at Pin
V
IN;
I
LOAD = 0A (Note 4)
400
500
A
Shutdown Quiescent
Current
SD Pin at 0V (Note
2.5
5
A
Switching
Frequency
0.65
1
1.35
MHz
SD Input Threshold
Low
2.5V < V
IN < 5.5V
0.2 V
IN
V
SD Input Threshold
High
2.5V < V
IN < 5.5V
0.8 V
IN
V
SD Input Current
Measured at SD
Pin;
SD Pin = V
IN = 5.5V
0.1
1.0
A
Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2: As long as TA ≤ +85C, all electrical characteristics hold true for the 3.0V and 3.3V options at all current loads and the 2.5V option at all loads when VIN
≤ 5V. For VIN > 5V with the 2.5V option, the junction temperature rise above ambient is: T = 540IL23 where IL is in amps. The output current must be derated
at higher ambient temperatures to make sure TJ does not exceed 150C when operating the 2.5V option at VIN > 5V.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin. The machine model is a 200 pF capacitor discharged
directly into each pin.
Note 4: The VOUT pin is forced to 200 mV above the typical VOUT. This is to insure that the internal switches are off.
Note 5: The output capacitor COUT is fully discharged before measurement.
LM3352
www.national.com
4
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