Q4437-BL

更新时间： 2024-11-01 06:06:11

品牌	Logo	应用领域
线艺 - COILCRAFT		稳压器
页数	文件大小	规格书
3页	191K
描述
Magnetics for LM258X Flyback Regulator

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Q4437-BL 数据手册

Document 183-1

Magnetics for LM258X Flyback Regulator

These standard flyback regulator transformers are de-

signed for use with National Semiconductor LM2585,

LM2586, LM2587 and LM2588 SIMPLE SWITCHER^®

switching regulators.

They are available in surface mount and through hole

configurations. All feature 500 V isolation between wind-

ings and a variety of available turns ratios.

Volt-time

Input Inductance Inductance product Leakage

DCR (Ohms)

pri sec

Ref.

Part

voltage at 0 Adc

at Ipk

max

Inductance¹

Turns ratio

pri : sec

Ipk²

number number

(V) ±15%(µH) min (µH) (Vµsec) max (µH)

Output

5 V, 1.6 A

(A)

T1 (SM) Q4435-BL 4 – 6

T1 (PC) Q4434-BL 4 – 6

T2 (SM) Q4436-BL 4 – 6

19.0

19.8

17.6

166.5

162.0

166.5

0.7

2.0

0.5

0.020

0.028

0.025

0.028

1:1

4.85

5.0

0.23(10-11)

0.25 (9-8)

1 : 2.5

12 V, 0.35 A 5.0

12 V, 0.35 A

T2 (PC) Q4337-BL 4 – 6

T3 (PC) Q4343-BL 18 – 36

T4 (PC) Q4344-BL 18 – 36

19.8

76.5

162.0

364.5

2.0

3.5

0.030

0.150

0.145

0.32 (8-7)

0.32 (6-5)

1 : 2.5

12 V, 0.35 A 5.0

12 V, 0.35 A

0.011(10-9)

0.011(7-6)

1 : 0.8

12 V, 1.4 A

3.0

0.20(10-9)

0.20 (7-6)

0.03 (4-5)

1 : 0.8

1 : 0.35

12 V, 0.75 A 3.0

12 V, 0.75 A

5 V, 3.0 A

T5 (SM) Q4437-BL 18 – 36

T5 (PC) Q4338-BL 18 – 36

47.3

59.4

299.7

499.5

2.0

3.5

0.110

0.090

0.035(10-11) 1 : 0.5

5 V, 1.8 A

3.0

0.30 (9-8)

0.32 (4-5)

1 : 1.167 12 V, 0.25 A

0.039(8-7)

0.58 (6-5)

0.60 (3-4)

1 : 0.5

1 : 1.167 12 V, 0.25 A

5 V, 1.8 A

T6 (SM) Q4438-BL 18 – 36

T6 (PC) Q4339-BL 18 – 36

57.0

59.4

299.7

499.5

3.0

0.065

0.090

0.15(10-11)

0.15 (9-8)

1 : 1.2

12 V, 0.63 A 3.0

12 V, 0.63 A

0.20 (8-7)

0.24 (5-6)

1 : 1.2

12 V, 0.63 A 3.0

12 V, 0.63 A

T7 (SM) S6057-AL 4 – 6

T7 (PC) S6000-AL 4 – 6

40.0

233.1

212.6

2.0

0.065

0.042

1 :1

1 : 1

5 V, 0.9 A

3.0

1. Leakage inductance measured across the primary at 0.10 Vrms, 100 kHz.

2. DC current at which the primary inductance is measured.

3. Electrical specifications at 25° C.

Core material Ferrite

Ambient temperature –40°C to +85°C

Weight

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Q4435-BL: 9.0 g

Q4337-BL: 11.4 g

Q4338-BL: 11.5 g

Q4339-BL: 11.6 g

Q4343-BL: 25.1 g

Q4344-BL: 23.1 g

Q4434-BL: 11.5 g

Q4436-BL: 8.7 g

Q4437-BL: 8.2 g

Q4438-BL: 8.6 g

S6000-AL:

S6057-AL:

10.6 g

8.2 g

Storage temperature Component: –40°C to +85°C.

Packaging: –40°C to +80°C

Resistance to soldering heat (SM parts) Max three 40 second

reflows at +260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /

85% relative humidity)

Mean Time Between Failures (MTBF) 26,315,789 hours

PCB washing Only pure water or alcohol recommended

Specifications subject to change without notice.

Please check our website for latest information.

Document183-1 Revised10/31/08

12 3

中文翻译

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