参数资料
型号: LT1964IDD#TRPBF
厂商: Linear Technology
文件页数: 6/16页
文件大小: 0K
描述: IC REG LDO NEG ADJ .2A 8DFN
产品培训模块: More Information on LDOs
标准包装: 2,500
稳压器拓扑结构: 负,可调式
输出电压: -1.22 V ~ -20 V
输入电压: -1.9 V ~ -20 V
电压 - 压降(标准): 0.34V @ 200mA
稳压器数量: 1
电流 - 输出: 200mA
电流 - 限制(最小): 220mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-DFN-EP(3x3)
包装: 带卷 (TR)
LT1964
TYPICAL PERFORMANCE CHARACTERISTICS
LT1964 GND Pin Current
GND Pin Current vs I LOAD
SHDN Pin Thresholds
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
T J = 25°C; V SHDN = V IN ; *FOR V OUT = –1.22V
R L = 6.1Ω
I L = –200mA*
R L = 12.2Ω
I L = –100mA*
R L = 24.4Ω
I L = –50mA*
R L = 122Ω
I L = –10mA*
–4.0
–3.5
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
V IN = V OUT(NOMINAL) – 1V
T J = 25°C
T J = –50°C
T J = 125°C
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
ON
OFF
ON
0
0
–1 –2 –3 –4 –5 –6 –7 –8 –9 –10
0
0
–40
–80
–120
–160
–200
–2.5
–50
–25
0 25 50 75
100
125
10
INPUT VOLTAGE (V)
SHDN Pin Input Current
1964 G10
12
OUTPUT CURRENT (mA)
SHDN Pin Input Current
1964 G11
–70
TEMPERATURE (°C)
ADJ Pin Bias Current
1964 G12
8
6
4
2
T J = 25°C
POSITIVE CURRENT
FLOWS INTO THE PIN
9
6
3
V IN = –15V
POSITIVE CURRENT
FLOWS INTO THE PIN
V SHDN = 15V
–60
–50
–40
0
–2
0
–30
–4
–3
V SHDN = –15V
–20
–6
–8
–6
–10
–10
–10 –8 –6 –4 –2
0
2
4
6
8
10
–9
–50
–25
0 25 50 75
100
125
0
–50
–25
0 25 50 75
100
125
SHDN PIN VOLTAGE (V)
1964 G13
TEMPERATURE (°C)
1964 G14
TEMPERATURE (°C)
1964 G15
1964fb
6
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