参数资料
型号: TLV431BCDBZT
厂商: TEXAS INSTRUMENTS INC
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO3
封装: GREEN, PLASTIC, SOT-23, 3 PIN
文件页数: 9/41页
文件大小: 1102K
代理商: TLV431BCDBZT
TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T JULY 1996 REVISED JUNE 2007
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
9
6
0
15
0.001
0.01
0.1
1
10
Cathode
Current
mA
12
STABILITY BOUNDARY CONDITION
(for TLV431 and TLV431A)
3
I K
CL Load Capacitance F
Stable
VKA = VREF
VKA = 2 V
Stable
VKA = 3 V
TA = 25°C
150
CL
Vbat
IK
TEST CIRCUIT FOR VKA = VREF
150
CL
Vbat
IK
R1 = 10 k
R2
TEST CIRCUIT FOR VKA = 2 V, 3 V
+
+
IK = 15 mA Max
Cathode
Current
mA
STABILITY BOUNDARY CONDITION
(for TLV431B)
I K
CL Load Capacitance F
9
6
0
15
0.001
0.01
0.1
1
10
12
3
Stable
VKA = 3 V
Stable
Unstable
VKA = 2 V
TA = 25°C
IK = 15 mA MAX
For VKA = VREF ,
Stable for CL = 1 pF to 10k nF
The areas under the curves represent conditions that may cause the device to oscillate. For VKA = 2-V and 3-V curves, R2 and Vbat were adjusted
to establish the initial VKA and IK conditions with CL = 0. Vbat and CL then were adjusted to determine the ranges of stability.
Figure 17
Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
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