TEXAS INSTRUMENTS TLVH431, TLVH431A, TLVH431B, TLVH432, TLVH432A Technical data
...
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REF
ANODE
CATHODE
TLVH431
LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
NC - No internal connection
†
Pin 2 must be connected to ANODE
or left open.
TLVH431
DBV (SOT-23-5) PACKAGE
(TOP VIEW)
1
2
3
5
4
NC
†
CATHODE
ANODE
REF
TLVH431
DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
1
2
3
REF
CATHODE
ANODE
TLVH431
DCK (SC-70) PACKAGE
(TOP VIEW)
1
2
3
6
5
4
CATHODE
NC
REF
ANODE
NC
NC
TLVH431
PK (SOT-89) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
NC - No internal connection
ANODE
TLVH432
PK (SOT-89) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
ANODE
TLVH432
DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
1
2
3
CATHODE
REF
ANODE
1
2
3
REF
CATHODE
ANODE
查询TLVH431供应商
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
FEATURES
• Low-Voltage Operation . . . Down to 1.24 V • Wide Operating Cathode Current Range . . .
• Reference Voltage Tolerances at 25 ° C
– 0.5% for B Grade
– 1% for A Grade
– 1.5% for Standard Grade
• Adjustable Output Voltage, V
= V
O
to 18 V
REF
55 µ A to 80 mA
• 0.25- Ω Typical Output Impedance
• –40 ° C to 125 ° C Specifications
• TLVH432 Provides Alternative Pinouts for
SOT-23-3 and SOT-89 Packages
• Ultra-Small SC-70 Package Offers 40%
Smaller Footprint Than SOT-23-3
DESCRIPTION/ORDERING INFORMATION
The TLVH431 and TLVH432 are low-voltage 3-terminal adjustable voltage references, with specified thermal
stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value
between V
voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
REF
(1.24 V) and 18 V with two external resistors (see Figure 2 ). These devices operate from a lower
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright © 2004–2005, Texas Instruments Incorporated
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TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
When used with an optocoupler, the TLVH431 and TLVH432 are ideal voltage references in isolated feedback
circuits for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 Ω . Active
output circuitry provides a very sharp turn-on characteristic, making the TLVH431 and TLVH432 excellent
replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable
power supplies.
The TLVH432 is identical to the TLVH431, but is offered with different pinouts for the SOT-23-3 and SOT-89
packages.
2
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TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
ORDERING INFORMATION
V
T
A
0 ° C to 70 ° C 1% SOT-23-3 – DBZ
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(2) DBV/DBZ/DCK: The actual top-side marking has one additional character that designates the assembly/test site.
REF
TOLERANCE
0.5% SOT-23-3 – DBZ
1.5% SOT-23-3 – DBZ
PACKAGE
SC-70 – DCK YH_
SOT-23-5 – DBV Y3J_
SOT-89 – PK Reel of 1000
TO-92 – LP ZA431B
SC-70 – DCK YP_
SOT-23-5 – DBV Y3P_
SOT-89 – PK Reel of 1000
TO-92 – LP ZA431A
SC-70 – DCK YU_
SOT-23-5 – DBV Y3U_
SOT-89 – PK Reel of 1000
TO-92 – LP ZA431
(1)
Reel of 3000 TLVH431BCDCKR
Reel of 250 TLVH431BCDCKT
Reel of 3000 TLVH431BCDBVR
Reel of 250 TLVH431BCDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431BCLP
Reel of 2000 TLVH431BCLPR
Reel of 3000 TLVH431ACDCKR
Reel of 250 TLVH431ACDCKT
Reel of 3000 TLVH431ACDBVR
Reel of 250 TLVH431ACDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431ACLP
Reel of 2000 TLVH431ACLPR
Reel of 3000 TLVH431CDCKR
Reel of 250 TLVH431CDCKT
Reel of 3000 TLVH431CDBVR
Reel of 250 TLVH431CDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431CLP
Reel of 2000 TLVH431CLPR
ORDERABLE PART NUMBER TOP-SIDE MARKING
TLVH431BCDBZR Y3J_
TLVH432BCDBZR Y2H_
TLVH431BCDBZT Y3J_
TLVH432BCDBZT Y2H_
TLVH431BCPK V7
TLVH432BCPK VN
TLVH431ACDBZR Y3P_
TLVH432ACDBZR Y2E_
TLVH431ACDBZT Y3P_
TLVH432ACDBZT Y2E_
TLVH431ACPK W2
TLVH432ACPK VK
TLVH431CDBZR Y3U_
TLVH432CDBZR Y2A_
TLVH431CDBZT Y3U_
TLVH432CDBZT Y2A_
TLVH431CPK W4
TLVH432CPK VG
(2)
3
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TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
V
T
A
–40 ° C to 85 ° C 1% SOT-23-3 – DBZ
REF
TOLERANCE
0.5% SOT-23-3 – DBZ
1.5% SOT-23-3 – DBZ
SC-70 – DCK YJ_
SOT-23-5 – DBV Y3K_
SOT-89 – PK Reel of 1000
TO-92 – LP ZB431B
SC-70 – DCK YT_
SOT-23-5 – DBV Y3T_
SOT-89 – PK Reel of 1000
TO-92 – LP ZB431A
SC-70 – DCK YV_
SOT-23-5 – DBV Y3V_
SOT-89 – PK Reel of 1000
TO-92 – LP ZB431
ORDERING INFORMATION (continued)
PACKAGE
(1)
Reel of 3000 TLVH431BIDCKR
Reel of 250 TLVH431BIDCKT
Reel of 3000 TLVH431BIDBVR
Reel of 250 TLVH431BIDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431BILP
Reel of 2000 TLVH431BILPR
Reel of 3000 TLVH431AIDCKR
Reel of 250 TLVH431AIDCKT
Reel of 3000 TLVH431AIDBVR
Reel of 250 TLVH431AIDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431AILP
Reel of 2000 TLVH431AILPR
Reel of 3000 TLVH431IDCKR
Reel of 250 TLVH431IDCKT
Reel of 3000 TLVH431IDBVR
Reel of 250 TLVH431IDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431ILP
Reel of 2000 TLVH431ILPR
ORDERABLE PART NUMBER TOP-SIDE MARKING
TLVH431BIDBZR Y3K_
TLVH432BIDBZR Y2J_
TLVH431BIDBZT Y3K_
TLVH432BIDBZT Y2J_
TLVH431BIPK V8
TLVH432BIPK VP
TLVH431AIDBZR Y3T_
TLVH432AIDBZR Y2F_
TLVH431AIDBZT Y3T_
TLVH432AIDBZT Y2F_
TLVH431AIPK W3
TLVH432AIPK VL
TLVH431IDBZR Y3V_
TLVH432IDBZR Y2B_
TLVH431IDBZT Y3V_
TLVH432IDBZT Y2B_
TLVH431IPK W5
TLVH432IPK VH
(2)
4
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V
T
A
–40 ° C to 125 ° C 1% SOT-23-3 – DBZ
REF
TOLERANCE
0.5% SOT-23-3 – DBZ
1.5% SOT-23-3 – DBZ
SC-70 – DCK YK_
SOT-23-5 – DBV Y3L_
SOT-89 – PK Reel of 1000
TO-92 – LP ZD431B
SC-70 – DCK YN_
SOT-23-5 – DBV Y3N_
SOT-89 – PK Reel of 1000
TO-92 – LP ZD431A
SC-70 – DCK YM_
SOT-23-5 – DBV Y3M_
SOT-89 – PK Reel of 1000
TO-92 – LP ZD431
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
ORDERING INFORMATION (continued)
PACKAGE
(1)
Reel of 3000 TLVH431BQDCKR
Reel of 250 TLVH431BQDCKT
Reel of 3000 TLVH431BQDBVR
Reel of 250 TLVH431BQDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431BQLP
Reel of 2000 TLVH431BQLPR
Reel of 3000 TLVH431AQDCKR
Reel of 250 TLVH431AQDCKT
Reel of 3000 TLVH431AQDBVR
Reel of 250 TLVH431AQDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431AQLP
Reel of 2000 TLVH431AQLPR
Reel of 3000 TLVH431QDCKR
Reel of 250 TLVH431QDCKT
Reel of 3000 TLVH431QDBVR
Reel of 250 TLVH431QDBVT
Reel of 3000
Reel of 250
Bulk of 1000 TLVH431QLP
Reel of 2000 TLVH431QLPR
ORDERABLE PART NUMBER TOP-SIDE MARKING
TLVH431BQDBZR Y3L_
TLVH432BQDBZR Y2K_
TLVH431BQDBZT Y3L_
TLVH432BQDBZT Y2K_
TLVH431BQPK V9
TLVH432BQPK VQ
TLVH431AQDBZR Y3N_
TLVH432AQDBZR Y2G_
TLVH431AQDBZT Y3N_
TLVH432AQDBZT Y2G_
TLVH431AQPK VD
TLVH432AQPK VM
TLVH431QDBZR Y3M_
TLVH432QDBZR Y2D_
TLVH431QDBZT Y3M_
TLVH432QDBZT Y2D_
TLVH431QPK VC
TLVH432QPK VJ
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
(2)
5
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CATHODE
REF
ANODE
V
REF
= 1.24 V
−
+
REF
Cathode
Anode
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
LOGIC BLOCK DIAGRAM
EQUIVALENT SCHEMATIC
6
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TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
V
I
I
θ
T
T
Cathode voltage
KA
Cathode current range –25 80 mA
K
Reference current range –0.05 3 mA
ref
Package thermal impedance
JA
Operating virtual junction temperature 150 ° C
J
Storage temperature range –65 150 ° C
stg
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Voltage values are with respect to the anode terminal, unless otherwise noted.
(3) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD= (TJ(max) – TA)/ θJA. Operating at the absolute maximum TJof 150 ° C can affect reliability.
(4) The package thermal impedance is calculated in accordance with JESD 51-7.
(2)
(1)
MIN MAX UNIT
DBV package 206
DBZ package 206
(3) (4)
DCK package 252 ° C/W
LP package 140
PK package 52
20 V
Recommended Operating Conditions
V
I
T
Cathode voltage V
KA
Cathode current (continuous) 0.1 80 mA
K
Operating free-air temperature TLVH43X_I –40 85 ° C
A
MIN MAX UNIT
REF
TLVH43X_C 0 70
TLVH43X_Q –40 125
18 V
7
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V
REF
ppm
o
C
V
REF(dev)
V
REF(TA
25oC)
10
6
T
A
z
KA
∆V
KA
∆I
K
z
KA
∆V
∆I
z
KA
1
R1
R2
V
REF
V
KA
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
TLVH431 Electrical Characteristics
at 25 ° C free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS UNIT
TA= 25 ° C 1.222 1.24 1.258
V
= V
V
REF
V
REF(dev)
I
ref
I
ref(dev)
I
K(min)
I
K(off)
|zKA| Dynamic impedance
(1) Full temperature ranges are –40 ° C to 125 ° C for TLVH431Q, –40 ° C to 85 ° C for TLVH431I, and 0 ° C to 70 ° C for TLVH431C.
(2) The deviation parameters V
the rated temperature range. The average full-range temperature coefficient of the reference input voltage, α V
Reference voltage V
V
deviation over full
REF
temperature range
Ratio of V
cathode voltage change
Reference terminal current IK= 10 mA, R1 = 10 k Ω , R2 = open, See Figure 2 0.1 0.5 µ A
I
ref
temperature range
Minimum cathode current
for regulation
Off-state cathode current V
REF
deviation over full IK= 10 mA, R1 = 10 k Ω , R2 = open,
(2)
change to
(2)
(3)
REF(dev)
KA
IK= 10 mA
V
KA
IK= 10 mA, VK= V
See Figure 2
V
KA
REF
V
KA
See Figure 1
and I
ref(dev)
,
REF
= V
REF
= V
REF
= 0, V
= V
REF
are defined as the differences between the maximum and minimum values obtained over
TA= full range,
See Figure 1
, IK= 10 mA, See Figure 1
REF
(1)
, See Figure 1 60 100 µ A
= 18 V, See Figure 3 0.02 0.1 µ A
KA
, f ≤ 1 kHz, IK= 0.1 mA to 80 mA,
(1)
(1)
to 18 V, See Figure 2 –1.5 –2.7 mV/V
TLVH431C 1.21 1.27
TLVH431I 1.202 1.278
TLVH431Q 1.194 1.286
TLVH431C 4 12
TLVH431I 6 20 mV
TLVH431Q 11 31
TLVH431C 0.05 0.3
TLVH431I 0.1 0.4 µ A
TLVH431Q 0.15 0.5
TLVH431
TLVH432
MIN TYP MAX
0.25 0.4 Ω
, is defined as:
REF
where ∆ TAis the rated operating free-air temperature range of the device.
α V
can be positive or negative, depending on whether minimum V
REF
temperature.
(3) The dynamic impedance is defined as:
When the device is operating with two external resistors (see Figure 2 ), the total dynamic impedance of the circuit is defined as:
or maximum V
REF
, respectively, occurs at the lower
REF
8
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V
REF
ppm
o
C
V
REF(dev)
V
REF(TA
25oC)
10
6
T
A
z
KA
∆V
KA
∆I
K
z
KA
∆V
∆I
z
KA
1
R1
R2
V
REF
V
KA
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
TLVH431A Electrical Characteristics
at 25 ° C free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS UNIT
TA= 25 ° C 1.228 1.24 1.252
V
= V
V
REF
V
REF(dev)
I
ref
I
ref(dev)
I
K(min)
I
K(off)
|zKA| Dynamic impedance
(1) Full temperature ranges are –40 ° C to 125 ° C for TLVH431Q, –40 ° C to 85 ° C for TLVH431I, and 0 ° C to 70 ° C for TLVH431C.
(2) The deviation parameters V
the rated temperature range. The average full-range temperature coefficient of the reference input voltage, α V
Reference voltage V
V
deviation over full
REF
temperature range
Ratio of V
cathode voltage change
Reference terminal current IK= 10 mA, R1 = 10 k Ω , R2 = open, See Figure 2 0.1 0.5 µ A
I
ref
temperature range
Minimum cathode current
for regulation
Off-state cathode current V
REF
deviation over full IK= 10 mA, R1 = 10 k Ω , R2 = open,
(2)
change to
(2)
(3)
REF(dev)
KA
IK= 10 mA
V
KA
VK= V
See Figure 2
V
KA
REF
V
KA
See Figure 1
and I
ref(dev)
,
REF
= V
REF
REF
= V
REF
= 0, V
= V
REF
are defined as the differences between the maximum and minimum values obtained over
TA= full range,
See Figure 1 )
, IK= 10 mA, See Figure 1
to 18 V, IK= 10 mA, See Figure 2 –1.5 –2.7 mV/V
(1)
, See Figure 1 60 100 µ A
= 18 V, See Figure 3 0.02 0.1 µ A
KA
, f ≤ 1 kHz, IK= 0.1 mA to 80 mA,
(1)
(1)
TLVH431AC 1.221 1.259
TLVH431AI 1.215 1.265
TLVH431AQ 1.209 1.271
TLVH431AC 4 12
TLVH431AI 6 20 mV
TLVH431AQ 11 31
TLVH431AC 0.05 0.3
TLVH431AI 0.1 0.4 µ A
TLVH431AQ 0.15 0.5
TLVH431A
TLVH432A
MIN TYP MAX
0.25 0.4 Ω
, is defined as:
REF
where ∆ TAis the rated operating free-air temperature range of the device.
α V
can be positive or negative, depending on whether minimum V
REF
temperature.
(3) The dynamic impedance is defined as:
When the device is operating with two external resistors (see Figure 2 ), the total dynamic impedance of the circuit is defined as:
or maximum V
REF
, respectively, occurs at the lower
REF
9
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V
REF
ppm
o
C
V
REF(dev)
V
REF(TA
25oC)
10
6
T
A
z
KA
∆V
KA
∆I
K
z
KA
∆V
∆I
z
KA
1
R1
R2
V
REF
V
KA
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
TLVH431B Electrical Characteristics
at 25 ° C free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS UNIT
V
REF
V
REF(dev)
I
ref
I
ref(dev)
I
K(min)
I
K(off)
|zKA| Dynamic impedance
Reference voltage V
V
deviation over full
REF
temperature range
Ratio of V
cathode voltage change
Reference terminal current IK= 10 mA, R1 = 10 k Ω , R2 = open, See Figure 2 0.1 0.5 µ A
I
ref
temperature range
Minimum cathode current
for regulation
Off-state cathode current V
REF
deviation over full IK= 10 mA, R1 = 10 k Ω , R2 = open,
(2)
change to
(2)
(3)
V
= V
KA
IK= 10 mA
V
KA
IK= 10 mA, VK= V
See Figure 2
V
KA
REF
V
KA
,
REF
= V
, IK= 10 mA, See Figure 1
REF
(1)
= V
, See Figure 1 60 100 µ A
REF
= 0, V
KA
= V
, f ≤ 1 kHz, IK= 0.1 mA to 80 mA, See Figure 1 0.25 0.4 Ω
REF
TLVH431B
TLVH432B
MIN TYP MAX
TA= 25 ° C 1.234 1.24 1.246
TA= full range,
See Figure 1
REF
= 18 V, See Figure 3 0.02 0.1 µ A
(1)
(1)
to 18 V, See Figure 2 –1.5 –2.7 mV/V
TLVH431BC 1.227 1.253
TLVH431BI 1.224 1.259
TLVH431BQ 1.221 1.265
TLVH431BC 4 12
TLVH431BI 6 20 mV
TLVH431BQ 11 31
TLVH431BC 0.05 0.3
TLVH431BI 0.1 0.4 µ A
TLVH431BQ 0.15 0.5
(1) Full temperature ranges are –40 ° C to 125 ° C for TLVH431Q, –40 ° C to 85 ° C for TLVH431I, and 0 ° C to 70 ° C for TLVH431C.
(2) The deviation parameters V
the rated temperature range. The average full-range temperature coefficient of the reference input voltage, α V
where ∆ TAis the rated operating free-air temperature range of the device.
α V
can be positive or negative, depending on whether minimum V
REF
temperature.
(3) The dynamic impedance is defined as:
When the device is operating with two external resistors (see Figure 2 ), the total dynamic impedance of the circuit is defined as:
and I
REF(dev)
are defined as the differences between the maximum and minimum values obtained over
ref(dev)
or maximum V
REF
, respectively, occurs at the lower
REF
REF
, is defined as:
10
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V
REF
Input V
O
I
K
I
ref
I
K
V
O
Input
V
REF
R1
R2
I
K(off)
V
O
Input
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
PARAMETER MEASUREMENT INFORMATION
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
Figure 1. Test Circuit for V
Figure 2. Test Circuit for V
= V
KA
REF
> V
, V
= V
KA
REF
O
= V
KA
Figure 3. Test Circuit for I
, V
= V
O
× (1 + R1/R2) + I
REF
K(off)
= V
KA
REF
× R1
ref
11
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1.246
1.242
1.240
1.238
− Reference Voltage − V
1.250
1.252
REFERENCE VOLTAGE
vs
JUNCTION TEMPERATURE
1.254
1.248
1.244
−50 −25 0 25 50 75 100 125 150
IK = 10 mA
V
ref
TJ − Junction Temperature − °C
50
70
90
110
130
150
170
190
210
230
250
−50 −25 0 25 50 75 100 125 150
I
K
= 10 mA
R1 = 10 kΩ
R2 = Open
REFERENCE INPUT CURRENT
vs
JUNCTION TEMPERATURE
TLVH431, TLVH431A, TLVH431B
TLVH432, TLVH432A, TLVH432B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS555F – NOVEMBER 2004 – REVISED OCTOBER 2005
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 4.
Figure 5.
12
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