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参数资料
| 型号： | RN5RK221B-TL-FB |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | MINI-MOLD, SC-74A, SOT-23, 5 PIN |
| 文件页数： | 15/23页 |
| 文件大小： | 380K |
| 代理商： | RN5RK221B-TL-FB |
PACKAGE INFORMATION
PE-SOT-23-5-071228
POWER DISSIPATION (SOT-23-5)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
(Power Dissipation (SOT-23-5) is substitution of SOT-23-6.)
Measurement Conditions
Standard Land Pattern
Environment
Mounting on Board (Wind velocity=0m/s)
Board Material
Glass cloth epoxy plastic (Double sided)
Board Dimensions
40mm
× 40mm × 1.6mm
Copper Ratio
Top side : Approx. 50% , Back side : Approx. 50%
Through-hole
φ0.5mm × 44pcs
Measurement Result
(Topt=25
°C, Tjmax=125°C)
Standard Land Pattern
Free Air
Power Dissipation
420mW
250mW
Thermal Resistance
θja=(12525°C)/0.42W=238°C/W
400
°C/W
0
50
100
25
75 85
125
150
Ambient Temperature (
°C)
0
200
100
300
400
250
420
500
600
Power
Dissipation
P
D
(mW)
On Board
Free Air
40
Power Dissipation
Measurement Board Pattern
IC Mount Area Unit : mm
RECOMMENDED LAND PATTERN
0.7 MAX.
0.95
1.9
2.4
1.0
(Unit: mm)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RN5RK221B-TR | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:SOT-23-5 VFM STEP-UP DC/DC CONVERTER |
| RN5RK222A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Mode SMPS Controller |
| RN5RK222A-TL | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:SOT-23-5 VFM STEP-UP DC/DC CONVERTER |
| RN5RK222A-TR | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:SOT-23-5 VFM STEP-UP DC/DC CONVERTER |
| RN5RK222B-TL | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:SOT-23-5 VFM STEP-UP DC/DC CONVERTER |
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