参数资料
型号: LTC3723EGN-2#PBF
厂商: Linear Technology
文件页数: 20/20页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO VM 16SSOP
标准包装: 100
PWM 型: 电压模式
输出数: 1
频率 - 最大: 1MHz
占空比: 50%
电源电压: 10V(最小值)
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
LTC3723-1/LTC3723-2
TYPICAL APPLICATIO
LTC3723-1 100W, 36V IN to 72V IN to 3.3V/30A Isolated Forward Converter
48V IN
8
11
2.2nF
V IN
–V IN
1 μ F
100V
94
L1
0.33 μ H
V IN
1 μ F
100V
× 2
Si7450DP
T1
23.4mm × 20.1mm × 9.4mm PLANAR
2 7
4
3 10
5
2.2nF
V X
2.2nF
Si7336ADP
× 2 5.1 ?
1/2W
Si7336ADP
× 2
L2
0.85 μ H
100 μ F
6.3V
× 2
+
V OUT
V OUT
470 μ F
6.3V
93
92
630V
5.1 ?
1/2W
–V OUT
91
90
0.03 ?
1W
10V
L3
1mH
BAS21
845 ?
–V OUT
89
88
820 ?
68 μ F
20V
+
BAS21
1
6
1.00k
V X
B0540W
15 ?
1/4W
87
86
V REF
562 ?
V B
B0540W
5
V IN
10
30k
150 ?
1/4W
15 20
LOAD CURRENT (A)
10V
A
6
DRVA
5
V CC
25
30
4
DRVB
120pF
10
CS
120K
SDRB
2
220pF
1 T2 4
8 5
8
560 ?
5
FG
SYNC
1
CS +
2
CS –
LTC3900ES8
GND
6
3 4
CG V CC
TIMER
7
26.1k
1nF
D1
10V
–V OUT
0.47 μ F
25V
383k
LTC3723EGN-1
14 C T
100pF
15
UVLO
GND SS
7
1 μ F
C T
8
SPRG RLEB FB DPRG V REF
16 12 13 9 1
150k
10k
COMP
V REF
11
V REF
1
10nF
330 ?
4.7nF
330 ?
V OUT
66.5k
68nF
220pF
33k
0.47 μ F
4.7nF
820 ?
6
MOC207
V B
1k
1
27.4k
A
50k
V REF
MMBT2369
8.66k
C T
1 μ F, 100V TDK C3225X7R2A105M (1210)
100 μ F, 6.3V TDK C3225X5R0J107M (1210)
2.2nF, 630V TDK C3216JB2J222K
470 μ F, 6.3V SANYO 6TPD470M
D1: MMBZ5240B
L1: COILCRAFT DO1813P-331HC
L2: PULSE PA1292.910
L3: COILCRAFT DO1608C-105
T1: PULSE PA810.007 (7:6:6:1:1:1T)
T2: PULSE PA0184 (1:1T)
V IN
5
2.2nF
250V
2
5
6
COMP
OPTO
V IN
LT4430ES6
GND
2
4
FB
OC
3
47nF
6.04k
V OUT
470pF
372312 TA06
RELATED PARTS
LT 1952
PART NUMBER
?
LTC3705/LTC3706/
DESCRIPTION
Single Switch Synchronous Forward Controller
Isolated Power Supply DC/DC Converter Chipset
COMMENTS
High Efficiency, Adjustable Volt-Second Clamp, True PWM Soft-Start
Simple as Buck Circuit, No Opto-Coupler, Fast Transient Response,
LTC3725/LTC3726/
LTC3722-1/LTC3722-2 Dual Mode Phase Modulated Full-Bridge Controllers
PolyPhase ? Operation Capability, Scalable for Higher Power
ZVS Full-Bridge Controllers
LT3804
LTC3901
LT4430
LTC4440
Secondary-Side Dual Output Controller with Opto Driver
Secondary-Side Synchronous Driver for Push-Pull and
Full Bridge Converters
Secondary-Side Optocoupler Driver
High Speed High Voltage High Side Gate Driver
Regulates Two Secondary Outputs; Optocoupler Feedback Driver and
Second Output Synchronous Driver Controller
Drives N-Channel Synchronous MOSFETs, Programmable Timeout,
Reverse Current Limit
Overshoot Control on Start-Up and Short-Circuit Recovery,
600mV Reference, ThinSOT? Package
80V Operation, 100V Tolerant, 1.5 ? Pull-Down, 2.4A Pull-Up
PolyPhase is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.
372312f
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LT 1105 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2003
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