参数资料
型号: LT3460ESC6#TRM
厂商: Linear Technology
文件页数: 4/12页
文件大小: 0K
描述: IC REG BOOST ADJ 0.3A SC70-6
标准包装: 1
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.26 V ~ 36 V
输入电压: 2.5 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 1.36MHz
电流 - 输出: 300mA
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-TSSOP,SC-88,SOT-363
包装: 剪切带 (CT)
供应商设备封装: SC-70-6
其它名称: LT3460ESC6
LT3460ESC6#TRMCT
LT3460ESC6-ND
LT3460/LT3460-1
TYPICAL PERFORMANCE CHARACTERISTICS
30
Feedback Bias Current
1.260
Feedback Voltage
25
1.255
20
15
1.250
10
1.245
5
0
–50
–25
0
25
50
75
100
1.240
–50
–25
0
25
50
75
100
400
TEMPERATURE (°C)
Switch Saturation Voltage
(V CESAT )
3460 G04
450
TEMPERATURE (°C)
Current Limit vs Duty Cycle
3460 G05
350
I C = 250mA
(LT3460)
400
300
250
I C = 200mA
(LT3460)
350
300
LT3460
250
200
I C = 50mA
(LT3460-1)
200
150
100
I C = 100mA
(LT3460)
150
100
LT3460-1
50
0
50
0
–50
–25
0
25
50
75
100
0
0.2
0.4
0.6
0.8
1.0
TEMPERATURE (°C)
3460 G06
PIN FUNCTIONS (ThinSOT/SC70/DFN Packages)
SW (Pin 1/Pin 1/Pin 3): Switch Pin. Connect inductor/diode
here. Minimize trace at this pin to reduce EMI.
GND (Pin 2/Pins 2 and 5/Exposed Pad Pin 7): Ground
Pin. Tie directly to local ground plane.
FB (Pin 3/Pin 3/Pin 1): Feedback Pin. Reference
voltage is 1.255V. Connect resistor divider tap here.
Minimize trace area at FB. Set V OUT according to
V OUT = 1.255V (1 + R1/R2).
DUTY CYCLE
3460 G07
SHDN (Pin 4/Pin 4/Pin 6): Shutdown Pin. Tie to 1.5V or
higher to enable device; 0.4V or less to disable device.
Also functions as soft-start. Use RC ?lter (47k, 47nF typ)
as shown in Figure 1.
V IN (Pin 5/Pin 6/Pin 4): Input Supply Pin. Must be locally
bypassed.
NC (NA/NA/Pins 2, 5): No-Connects. These pins are not
connected to internal circuitry. They should be tied to
ground to improve thermal and electrical performance.
3460fb
4
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LT3461AES6#TR 功能描述:IC REG BOOST ADJ 0.25A TSOT23-6 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压(升压) 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式,混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 包装:带卷 (TR) 供应商设备封装:8-SOIC