参数资料
型号: LT8582IDKD#TRPBF
厂商: Linear Technology
文件页数: 32/36页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 3A 24DFN
标准包装: 2,500
类型: 升压(升压),反相,回扫,Sepic
输出类型: 可调式
输出数: 2
输出电压: 最高 42V
输入电压: 2.5 V ~ 22 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 2.5MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 24-DFN(7x4)
LT8582
TYPICAL APPLICATIONS
Tracking ±15V Supplies from a 2.7V to 5.5V Input
V IN
2.7V TO 5.5V
L1
10μH
C IN1
10μF
SWA1
V IN1
SWB1
FBX1
D1
49.9k
6.04k
FBX2
V OUT1
15V
0.3A(V IN = 2.7V)
0.42A(V IN = 3.6V)
0.56A(V IN = 4.5V)
0.69A(V IN = 5.5V)
100k
SHDN1
PG1
LT8582
GATE1
V C1
C OUT1
10μF
×2
C IN1 , C IN2 : 10μF, 16V, X7R, 1206
SYNC1
CLKOUT1
CLKOUT2
SS1
RT1
GND
107k
0.1μF
6.65k
6.8nF
100pF
C OUT1 , C OUT2 : 10μF, 25V, X7R, 1210
C1: 4.7μF, 50V, X7R, 1206
D1, D2: DIODES INC. PD3S230H
L1: COILCRAFT XAL6060-103ME
L2, L3: COILCRAFT MSD1260-153
SYNC2
PG2
RT2
107k
0.1μF
6.8nF
100pF
SHDN2
V IN2
SWA2
SS2
V C2
GATE2
FBX2
SWB2
53.6k
6.65k
C OUT2
10μF
×2
L2
15μH
C1
4.7μF
L3
15μH
V OUT2
–15V
C IN2
10μF
Efficiency and Power Loss
(V IN = 3.6V with Load Between 15V and –15V Outputs)
D2
0.27A(V IN = 2.7V)
0.37A(V IN = 3.6V)
0.46A(V IN = 4.5V)
0.54A(V IN = 5.5V)
8582 TA04a
15V and –15V Outputs vs Load Current
(V IN = 3.6V, Load on 15V Output)
100
3.2
15.30
90
80
70
60
50
40
30
2.8
2.4
2.0
1.6
1.2
0.8
0.4
15.25
15.20
15.15
15.10
15.05
15.10
14.95
15V
–15V
20
0
0
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
14.90
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45
LOAD CURRENT (A)
8582 TA04b
15V and –15V Outputs vs Load Current
(V IN = 3.6V, Load on –15V Output)
15.30
LOAD CURRENT (A)
8582 TA04c
15V and –15V Outputs vs Load Current
(V IN = 3.6V, Load Between 15V and –15V Outputs)
15.30
15.25
15.20
15.15
15.10
15.05
15.00
14.95
15V
–15V
15.25
15.20
15.15
15.10
15.05
15.10
14.95
15V
–15V
14.90
0
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
14.90
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
LOAD CURRENT (A)
8582 TA04d
LOAD CURRENT (A)
8582 TA04e
8582f
32
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