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参数资料
| 型号： | LT1170CT#PBF06 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 11 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封装： | PLASTIC, TO-220, 5 PIN |
| 文件页数： | 16/20页 |
| 文件大小： | 278K |
| 代理商： | LT1170CT#PBF06 |
5
LT1170/LT1171/LT1172
117012ff
Switch Current Limit vs Duty Cycle*
TEMPERATURE (
°C)
–75
MINIMUM
INPUT
VOLTAGE
(V)
–25
25
50
150
1170/1/2 G02
–50
0
75 100 125
2.9
2.8
2.7
2.6
2.5
2.4
2.3
SWITCH CURRENT = 0A
SWITCH CURRENT = IMAX
Minimum Input Voltage
Switch Saturation Voltage
DUTY CYCLE (%)
0
SWITCH
CURRENT
(A)
16
12
8
4
0
40
1170/1/2 G01
20 30
50
60 70 80
90 100
25
°C
125
°C
–55
°C
10
* DIVIDE VERTICAL SCALE BY TWO FOR
LT1171, BY FOUR FOR LT1172.
SWITCH CURRENT (A)*
0
SWITCH
SATURATION
VOLTAGE
(V)
8
1170/1/2 G03
1
2
3
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
45
6
7
25
°C
150
°C
–55
°C
100
°C
* DIVIDE CURRENT BY TWO FOR
LT1171, BY FOUR FOR LT1172.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
INPUT VOLTAGE (V)
0
SUPPLY
CURRENT
(mA)
10
20
30
40
1170/1/2 G09
50
15
14
13
12
11
10
9
8
7
6
5
60
TJ = 25°C
NOTE THAT THIS CURRENT DOES NOT
INCLUDE DRIVER CURRENT, WHICH IS
A FUNCTION OF LOAD CURRENT AND
DUTY CYCLE.
90% DUTY CYCLE
50% DUTY CYCLE
10% DUTY CYCLE
0% DUTY CYCLE
* UNDER VERY LOW OUTPUT CURRENT CONDITIONS,
DUTY CYCLE FOR MOST CIRCUITS WILL APPROACH
10% OR LESS.
Supply Current vs Input Voltage*
SUPPLY VOLTAGE (V)
0
SUPPLY
CURRENT
(
A)
10
20
30
40
160
140
120
100
80
60
40
20
0
50
60
1170/1/2 G07
VC = 50mV
VC = 0V
TJ = 25°C
Supply Current vs Supply Voltage
(Shutdown Mode)
Driver Current* vs Switch Current
SWITCH CURRENT (A)
0
DRIVER
CURRENT
(mA)
12
3
160
140
120
100
80
60
40
20
0
4
5
1170/1/2 G08
TJ = –55°C
TJ = ≥ 25°C
* AVERAGE LT1170 POWER SUPPLY CURRENT IS
FOUND BY MULTIPLYING DRIVER CURRENT BY
DUTY CYCLE, THEN ADDING QUIESCENT CURRENT.
Reference Voltage vs Temperature
INPUT VOLTAGE (V)
0
REFERENCE
VOLTAGE
CHANGE
(mV)
10
20
30
40
1170/1/2 G04
50
5
4
3
2
1
0
–1
–2
–3
–4
–5
60
TJ = 150°C
TJ = –55°C
TJ = 25°C
Line Regulation
TEMPERATURE (
°C)
REFERENCE
VOLTAGE
(V)
1170/1/2 G05
1.250
1.248
1.246
1.244
1.242
1.240
1.238
1.236
1.234
–75
–25
25
50
150
–50
0
75 100 125
TEMPERATURE (
°C)
FEEDBACK
BIAS
CURRENT
(nA)
1170/1/2 G06
800
700
600
500
400
300
200
100
0
–75
–25
25
50
150
–50
0
75 100 125
Feedback Bias Current vs
Temperature
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1170HV | 制造商:LINER 制造商全称:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1170HVC | 制造商:LINER 制造商全称:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1170HVCQ | 功能描述:IC REG MULTI CONFIG ADJ 5A D2PAK RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT1170HVCQ#PBF | 功能描述:IC REG MULTI CONFIG ADJ 5A D2PAK RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT1170HVCQ#PBF | 制造商:Linear Technology 功能描述:IC, SWITCHING REGULATOR, DPAK-5 |
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