LT1572CS Datasheet

  • LT1572CS

  • Linear Technology [100kHz, 1.25A Switching Regulator with C...

  • 258.48KB

  • LINER

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LT1572
TYPICAL APPLICATI
C3*
100碌F
V
IN
鈥?V TO 鈥?0V
INPUT VOLTAGE
鈥?/div>
4.5V TO 20V
L2***
1k
L1**
300碌H
Q1*
CATHODE
10碌F
TANT
E2
V
IN
V
SW
0.02碌F
Q2*
B
E1
GND
V
C
FB
C6
1
F
* Q1,Q2 = BCP56 OR MPS650/561
** COILTRONICS CTX300-4
*** SUMIDA 6345-020 OR COILTRONICS 110092-1
鈥?/div>
A MODIFICATION WILL ALLOW OPERATION DOWN TO 4.5V. CONSULT FACTORY.
1572 TA04
+
LT1572 ANODE
2碌F
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
+
* REQUIRED IF INPUT LEADS
鈮?/div>
2"
** PULSE ENGINEERING 92114
COILTRONICS 50-2-52
CATHODE
V
IN
V
SW
L1**
50碌H
E1
E2
GND
LT1572 ANODE
FB
V
C
C1
R3
R2
1.24k
Backlight CCFL Supply (see AN55 for details)
A
+
+
UO
S
Negative Buck Converter
C2
200碌F
R1
4.64k
R4
12k
LOAD
鈥?.2V
0.75A
Q1
2N3906
1572 TA03
33pF
3kV
LAMP
D1
1N914
D2
1N914
50k
INTENSITY
ADJUST
R3
10k
R1
560鈩?/div>
11

LT1572CS 产品属性

  • LT1572

  • 50

  • 集成电路 (IC)

  • PMIC - 稳压器 - DC DC 开关稳压器

  • -

  • 降压(降压),升压(升压),反相,Cuk,回扫,正向转换器,Sepic

  • -

  • 1

  • -

  • 3 V ~ 30 V

  • 电流模式

  • 100kHz

  • 1.25A

  • 0°C ~ 100°C

  • 表面贴装

  • 16-SOIC(0.154",3.90mm 宽)

  • 管件

  • 16-SOIC

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