参数资料
型号: LTC1159CG-5#PBF
厂商: Linear Technology
文件页数: 20/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20-SSOP
标准包装: 66
PWM 型: 电流模式
输出数: 1
频率 - 最大: 250kHz
占空比: 100%
电源电压: 4 V ~ 40 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 管件
LTC1159
LTC1159-3.3/LTC1159-5
TYPICAL APPLICATIO
V IN = 12V
1N4148
Q1
Si9435
0.1 μ F
+
330 μ F
35V
NICHICON
0.15 μ F
Q2
1
2
P-GATE
V IN
CAP
SHDN2
16
15
Si9410
MBRS140
0.1 μ F
3
V CC
EXTV CC
14
L*
100 μ H
4
LTC1159
P-DRIVE N-GATE
13
1N5818
5
6
V CC
C T
3.3 μ F
PGND
SGND
12
11
OUTPUT
–12V/1A
V FB
I TH
SHUTDOWN
5V OR 3.3V
Q3
TP0610L
C T
390pF
6800pF
1k
7
8
(SHDN1)
SENSE – SENSE +
1000pF
10
9
200pF
Q4
2N7002
10.5k
90.5k
150 μ F
16V × 2
OS-CON
20k
100 ?
100 ?
3
510k
5.1V
1N5993
1
2
R SENSE **
0.05 ?
4
1159 F15
* DALE TJ4-100-1 μ
** IRC LR2512-01-R050-J
Figure 15. High Efficiency 12V to –12V 1A Converter
RELATED PARTS
PART NUMBER
LTC1628
LTC1702
LTC1735
LTC1773
LTC1778
LTC1876
DESCRIPTION
2-Phase, Dual Step-Down Controller
550kHz Dual, 2-Phase Step-Down Controller
Synchronous Step-Down Controller
550kHz Synchronous Step-Down Controller
No R SENSE TM Step-Down Controller
Triple Output, 2-Phase Controller
COMMENTS
V IN ≤ 36V, Minimum C IN , Current Mode
Minimum C IN , No Sense Resistor Required, V IN ≤ 7V
3.5V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ 6V, Synchronizable
2.65V ≤ V IN ≤ 8.5V, 0.8V ≤ V OUT ≤ V IN , Synchronizable to 750kHz, MS10
No Sense Resistor Required, t ON(MIN) ≤ 100ns, Current Mode, GN16
Two, 2-Phase Step-Down Controllers and Step-Up DC/DC Converter in One IC
No R SENSE is a trademark of Linear Technology Corporation.
(408) 432-1900 q FAX: (408) 434-0507 www.linear.com
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
1159fa LT/TP 0801 2K REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1994
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