参数资料
型号: LT1964IDD#TRPBF
厂商: Linear Technology
文件页数: 7/16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
Current Limit
Current Limit
Input Ripple Rejection
–600
–500
ΔV OUT = 100mV
–600
–500
V IN = –7V
V OUT = 0V
80
70
I L = –200mA
V IN = V OUT(NOMINAL) – 1V +
50mV RMS RIPPLE
60
C BYP = 0
–400
–400
50
–300
–200
–300
–200
40
30
C OUT = 10μF
20
–100
–100
10
C OUT = 1μF
0
0
–4
–8
–12
–16
–20
0
–50
–25
0 25 50 75
100
125
0
10
100
1k 10k
100k
1M
INPUT/OUTPUT DIFFERENTIAL (V)
1964 G16
TEMPERATURE (°C)
1964 G17
FREQUENCY (Hz)
1964 G18
LT1964-BYP
LT1964, LT1964-SD
60
Input Ripple Rejection
–3.0
Minimum Input Voltage
–3.0
Minimum Input Voltage
58
56
V IN = V OUT(NOMINAL) – 1V +
0.5V P-P RIPPLE AT f = 120Hz
I L = –200mA
–2.5
–2.5
54
52
50
48
46
–2.0
–1.5
–1.0
–0.5
I L = –200mA
I L = –1mA
NOTE: THE MINIMUM INPUT VOLTAGE
ACCOUNTS FOR THE OPERATING
THRESHOLD OF THE SHDN PIN WHICH
IS TIED TO THE IN PIN INTERNALLY
–2.0
–1.5
–1.0
–0.5
I L = –200mA
I L = –1mA
NOTE: THE SHDN PIN THRESHOLD
MUST BE MET TO ENSURE
DEVICE OPERATION
44
–50
–25
0 25 50 75
100
125
0
–50
–25
0 25 50 75
100
125
0
–50
–25
0 25 50 75
100
125
TEMPERATURE (°C)
1964 G19
TEMPERATURE (°C)
1964 G20
TEMPERATURE (°C)
1964 G21
1964fb
7
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