参数资料
型号: LT1533IS#PBF
厂商: Linear Technology
文件页数: 17/20页
文件大小: 0K
描述: IC REG PUSH-PLL CTRLR ISO 16SOIC
标准包装: 50
类型: 推挽式控制器,隔离式
输出类型: 可调式
输出数: 1
输出电压: 1.3 V ~ 30 V
输入电压: 2.7 V ~ 23 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 250kHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 16-SOIC
产品目录页面: 1327 (CN2011-ZH PDF)
LT1533
TYPICAL APPLICATIO N S
Hysteretic Loop Lowers Quiescent Current to 100 μ A While
Maintaining Low Output Noise. See AN70 for Details
2.7V TO 4V
C T
V C
(
+
4.7 μ F
3300pF
18k
0.01 μ F
11
3
4
5
6
10
(3 Ni-Cd BATTERIES)
14
V IN
SHDN COL A
DUTY
COL B
SYNC
PGND
LT1533
R VSL
R T
R CSL
FB
GND NFB
9 8
2
15
L2
16
13 15k
12 15k
7
T1
1N4148
L1
100 μ H 12V
+
1N4148
5V
C1
LTC1440
L3 OPTIONAL FOR
100 μ H LOWEST RIPPLE
+
47 μ F 47 μ F
21.5k
1%
2.32k
1%
150k
)
10pF
1.18V
V Z INTERNAL
L1, L3: COILTRONICS CTX100-3
L2: 22nH TRACE INDUCTANCE, FERRITE BEAD OR
INDUCTOR COILCRAFT B-07T TYPICAL
T1: CTX02-13665-X1
A 50V Output Low Noise Regulator. Cascoded Bipolar Transistors
Accommodate 60V Transformer Swings, Permitting 24V (20V IN to 30V IN )
Powered Operation. See AN70 for Details
TO LTC1440
1553 TA05
24V
68 ?
0.003 μ F
(20V TO 30V)
360 ?
3.3k
100 μ H
(
10k
1N4148
1N752
5.6V
+
Q3
1 μ F
3300pF
18k
11
3
4
5
6
SHDN
DUTY
SYNC
C T
R T
14
V IN
LT1533
COL A
COL B
PGND
R VSL
R CSL
2
15
L2
16
13 15k
12 15k
Q1
+
Q2
47 μ F
3.3k
360 ?
T1
68 ?
MUR110
MUR110
L1
50V
+
97.6k
1%
OPTIONAL FOR
100 μ H LOWEST RIPPLE
+
47 μ F 47 μ F
)
0.01 μ F
10
V C
GND
9
NFB
8
FB
7
2.49k
1%
0.003 μ F
1553 TA06
L1: COILTRONICS CTX100-3
L2: 22nH TRACE INDUCTANCE, FERRITE BEAD OR
INDUCTOR COILCRAFT B-07T TYPICAL
Q1, Q2: ZETEX ZTX-853
Q3: 2N2222A
T1: CTX02-13665-X1
17
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