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LM137QML Folha de dados(PDF) 7 Page - Texas Instruments

Nome de Peças LM137QML
Descrição Electrónicos  LM137QML 3-Terminal Adjustable Negative Regulators
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LM137QML Folha de dados(HTML) 7 Page - Texas Instruments

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LM137QML
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SNVS313D – DECEMBER 2010 – REVISED FEBRUARY 2015
6.8 LM137K
883 Electrical Characteristics DC Parameters
The following conditions apply, unless otherwise specified. VIN = −4.25V, IL = 8mA, VOUT = VRef
(1) (2)
SUB-
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
GROUPS
1
-1.275
-1.225
V
2, 3
-1.3
-1.2
V
VRef
Reference Voltage
VIN = -42 V
1
-1.275
-1.225
V
VIN = -41.3 V
2, 3
-1.3
-1.2
V
VOUT = -1.7 V
1, 2, 3
3.0
mA
VOUT = -1.7 V, VIN = -11.75 V
1, 2, 3
3.0
mA
IQ
Minimum Load Current
VOUT = -1.7 V, VIN = -42 V
1
5.0
mA
VOUT = -1.7 V, VIN = -41.3 V
2, 3
5.0
mA
-42 V
≤ VIN ≤ -4.25 V
1
-9.0
9.0
mV
RLine
Line Regulation
-41.3V
≤ VIN ≤ -4.25V
2, 3
-23
23
mV
VIN = -6.25 V, 8 mA ≤ IL ≤ 1.5 A
1, 2, 3
-25
25
mV
VIN = -14.5 V, 8 mA ≤ IL ≤ 1.5 A
1
-25
25
mV
RLoad
Load Regulation
VIN = -40 V, 8 mA ≤ IL ≤ 300 mA
1
-25
25
mV
VIN = -40 V, 8 mA ≤ IL ≤ 250 mA
2, 3
-25
25
mV
1, 2, 3
100
µA
IAdj
Adjustment Pin Current
VIN = -42 V
1
100
µA
VIN = -41.3 V
2, 3
100
µA
Δ IAdj / VLine
-42 V
≤ VIN ≤ -4.25 V
1
-5.0
5.0
µA
Adjust Pin Current
Change vs. Line Voltage -41.3 V ≤ V
IN ≤ -4.25 V
2, 3
-5.0
5.0
µA
Δ IAdj / ILoad
Adjust Pin Current
8 mA
≤ IL ≤ 1.5 A, VIN = -6.25 V
Change vs. Load
1, 2, 3
-5.0
5.0
µA
Current
VIN = -14.5 V, IL = 1.5 mA, t = 10 mS
1
-5.0
5.0
mV
VRth
Thermal Regulation
VIN = -14.5 V, IL = 8 mA, t = 10 mS
1
-5.0
5.0
mV
VIN = -5 V
1, 2, 3
-3.5
-1.5
A
ICL
Current Limit
VIN = -40 V
1, 2, 3
-1.2
-0.24
A
(1)
VIN = −41.3V at +125°C and −55°C
(2)
−41.3V ≤ VIN ≤ −4.25V at +125°C and −55°C
6.9 LM137K
883 Electrical Characteristics AC Parameters
SUB-
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
GROUPS
VIN = -6.25 V, VOUT = VRef,
Ripple Rejection Ratio
RR
f = 120 Hz, IL = 0.5 A,
4,5,6
66
dB
(1)
eI = 1VRMS
(1)
Test at +25°C, ensured but not tested at +125°C and
−55°C
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