参数资料
型号: TPS62230DRYT
厂商: Texas Instruments
文件页数: 3/35页
文件大小: 0K
描述: IC REG BUCK SYNC 2.5V 0.5A 6SON
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 2.5V
输入电压: 2.05 V ~ 6 V
PWM 型: 电压模式
频率 - 开关: 3MHz
电流 - 输出: 500mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-UFDFN
包装: 标准包装
供应商设备封装: 6-SON(1.45x1)
产品目录页面: 1026 (CN2011-ZH PDF)
其它名称: 296-24484-6

TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
DISSIPATION RATINGS (1)
SLVS941E – APRIL 2009 – REVISED DECEMBER 2010
PACKAGE
1 × 1.5 SON
R θ JA
234°C/W (2)
POWER RATING
FOR T A ≤ 25°C
420 mW
DERATING FACTOR
ABOVE T A = 25°C
4.2 mW/°C
(1)
(2)
Maximum power dissipation is a function of T J(max) , θ JA and T A . The maximum allowable power dissipation at any allowable ambient
temperature is P D = [T J(max) – T A ] / θ JA .
This thermal data is measured with high-K board (4 layers board according to JESD51-7 JEDEC standard).
RECOMMENDED OPERATING CONDITIONS
operating ambient temperature T A = –40 to 85°C (unless otherwise noted) (1)
MIN
NOM
MAX
UNIT
Supply voltage V IN
(2)
2.05
6
V
Effective inductance
2.2
μ H
Effective capacitance
2.0
4.7
μ F
V OUT ≤ V IN -1 V (3)
500 mA maximum I OUT
(4)
3.0
3.6
350mA maximum I OUT
Recommended minimum
supply voltage
V OUT ≤ 1.8V
(5)
60 mA maximum output current
(5)
2.5
2.7
2.05
V
Operating virtual junction temperature range, T J
–40
125
°C
(1)
(2)
(3)
(4)
(5)
In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may
have to be derated. Maximum ambient temperature (T A(max) ) is dependent on the maximum operating junction temperature (T J(max) ), the
maximum power dissipation of the device in the application (P D(max) ), and the junction-to-ambient thermal resistance of the part/package
in the application ( θ JA ), as given by the following equation: T A(max) = T J(max) – ( θ JA × P D(max) ).
The minimum required supply voltage for startup is 2.05 V. The part is functional down to the falling UVL (Under Voltage Lockout)
threshold.
For a voltage difference between minimum V IN and V OUT of ≥ 1 V
Typical value applies for T A = 25°C, maximum value applies for T A = 70°C with T J ≤ 125°C, PCB layout needs to support proper thermal
performance.
Typical value applies for T A = 25°C, maximum value applies for T A = 85°C with T J ≤ 125°C, PCB layout needs to support proper thermal
performance.
Copyright ? 2009–2010, Texas Instruments Incorporated
3
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