HA17L431 HITACHI [Hitachi Semiconductor], HA17L431 Datasheet

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HA17L431

Manufacturer Part Number
HA17L431
Description
High-Precision Variable Shunt Regulators
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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Description
The HA17L431LP(MPAK-5) / P(TO-92) / UP(UPAK) and the HA17L431ALP(MPAK-5) / AP(TO-92) are
temperature-compensated variable shunt regulators. These ICs can operate at about half voltage in
comparison with HA17431V series. They can be replaced for simple Zener diode and they can also be
used for switching power supply secondary-side error amplification circuit. MPAK-5, TO-92 and UPAK
packages are available. The MPAK-5 package, in particular, is suitable for high-density mounting, with a
mounting area approximately half that of Hitachi’s UPAK products.
Features
Application Example
On-chip high-precision reference voltage source : 1.240 V 1.0% (Ta = 25 C) [HA17L431A]
Small reference voltage temperature coefficient: 30 ppm/ C Typ
Maximum cathode voltage: 16 V
Maximum cathode current: 50 mA
Minimum cathode current: 200 A Typ
Operating temperature range: 20 to +85 C
Reference voltage generation circuits, etc.
2.5 mm
HA17L431/HA17L431A Series
High-Precision Variable Shunt Regulators
REF
4.5 mm
UPAK
A
K
Mounting area
reduced by
approx 50%
: 1.240 V 1.5% (Ta = 25 C) [HA17L431]
NC
A
MPAK-5
2.9 mm
NC
REF
K
ADE-204-029D (Z)
1.6 mm
Dec. 2000
Rev.4

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HA17L431 Summary of contents

Page 1

... The MPAK-5 package, in particular, is suitable for high-density mounting, with a mounting area approximately half that of Hitachi’s UPAK products. 2.5 mm REF Features On-chip high-precision reference voltage source : 1.240 V 1.0% ( [HA17L431A] Small reference voltage temperature coefficient: 30 ppm/ C Typ Maximum cathode voltage Maximum cathode current Minimum cathode current: 200 A Typ ...

Page 2

... HA17L431/HA17L431A Series Block Diagram Application Circuit Example Product Lineup Item Industrial use HA17L431LP HA17L431ALP HA17L431P HA17L431AP HA17L431UP HA17L432UP 2 + REF 1.240 V Switching Power Supply Secondary-Side Error Amplification Circuit REF A HA17L431/HA17L431A Reference Voltage Normal Version A Version 1.5% 1.0% 1.222 to 1.258 V 1.227 to 1.253 V 1.240V 1.240V ...

Page 3

... Pin Arrangement HA17L431LP/ HA17L431ALP A REF 5 4 Marking side MPAK-5 HA17L431P/ HA17L431AP Marking side HA17L431UP Marking side 1 REF A K REF TO-92 HA17L431/HA17L431A Series HA17L432UP Marking side UPAK UPAK 3 REF 3 ...

Page 4

... HA17L431/HA17L431A Series Absolute Maximum Ratings ( Item Symbol Cathode voltage V KA Continuous cathode I K current Reference input current Iref Power dissipation P T Operating temperature Topr Storage temperature Tstg Notes: 1. The anode pin is used as the reference for voltage values. 2. These values apply when Ta ...

Page 5

... Min Typ Max 1.222 1.240 1.258 1.227 1.240 1.253 5 30 1.0 2 0.5 0.2 1.0 0.001 1.0 0.2 0.5 + HA17L431/HA17L431A Series Unit Test Condition Vref Vref +85 C ppm Vref gradient mV Vref to 16V +85 C ...

Page 6

... HA17L431/HA17L431A Series Marking Pattern on MPAK-5 Models (HA17L431LP/HA17L431ALP) and UPAK Models (HA17L431UP/HA17L432UP) Because of the small package size, the following marking patterns are used on MPAK-5 and UPAK models. Note that the product code and marking pattern are different. The patterns are laser-marked. HA17L431LP ...

Page 7

... Catode Voltage V Open Loop Voltage Gain, Phase vs. Frequency Characteristics 50 G VOL 0 100 1k 10k Frequency f (Hz 1.5 2.0 2.5 500mV/DIV (V) K 180 0 180 100k 1M 10M HA17L431/HA17L431A Series REF A Catode Current vs. Catode Voltage2 Vref Catode Voltage V (V) K 220 Vo 6. ...

Page 8

... Figure 1 Noise Response Characteristics Measurement Circuit Tek Run: 25.0MS/s Sample Trig Ch1 500mV Ch2 1.00 V Ch3 1.00 V Waveform of HA17L431A 8 and Vref recovery time against the HA17L431 when it was inputted noise Input pulse 680 (Cathode) 220 pF (External) (REF) Pulse Shunt (Anode) generator Regulators Tek Run: 25 ...

Page 9

... Package Dimension HA17L431LP HA17L431ALP (0.95) HA17L431P HA17L431AP 0.60 Max 0.5 0.1 1.9 0.2 (0.95) 0.4 0.1 2.9 0.2 4.8 0.3 1.27 2.54 HA17L431/HA17L431A Series + 0.1 0.16 0.05 0 0.10 0.8 0.2 Hitachi Code MPAK-5 JEDEC EIAJ Mass (reference value) 0.013 g 3.8 0.3 0.5 Hitachi Code TO-92 (1) JEDEC Conforms EIAJ Conforms Mass (reference value) 0.25 g Unit: mm Unit ...

Page 10

... HA17L431/HA17L431A Series HA17L431UP HA17L432UP 4.5 1.8 Max 0.53 Max 0.48 Max 1.5 1.5 3.0 10 0.1 1.5 0.1 0.44 Max 1 0.44 Max (1.5) Hitachi Code UPAK JEDEC EIAJ Conforms Weight (reference value) 0.050 g Unit: mm ...

Page 11

... V 1.5% 1.24 V 1.0% TO-92MOD 2.5 V 2.2% UPAK 2.5 V 2.2% 2.5 V 2.2% 1.24 V 1.5% 2.5 V 2.2% 2.5 V 2.2% 1.24 V 1.5% MPAK-5 2.5 V 1.0% 1.24 V 1.5% 1.24 V 1.0% SOP-8 2.5 V 2.2% HA17L431/HA17L431A Series I max (mA) V max ( 100 to +150 + + +50 16 100 to +150 40 100 to +150 40 100 to +150 +50 16 100 to +150 40 100 to +150 + + +50 ...

Page 12

... Pin Arrangement by Product Product Name (Vref / Tolerance) HA17431PA (2.5 V 2.2%) HA17431VP (2.5 V 1%) HA17431PNA (2.5 V 2.2%) HA17L431P (1.24 V 1.5%) HA17L431AP (1.24 V 1%) HA17431UA (2.5 V 2.2%) HA17431UPA (2.5 V 2.2%) HA17L431UP (1.24 V 1.5%) HA17432UA (2.5 V 2.2%) HA17432UPA (2.5 V 2.2%) HA17L432UP (1.24 V 1.5%) HA17431VLP (2.5 V 1%) HA17L431LP (1.24 V 1.5%) HA17L431ALP (1.24 V 1%) HA17431FPA (2.5 V 2.2%) 12 Package Pin Arrangement TO-92MOD TO-92 UPAK UPAK MPAK-5 MPAK-5 SOP ...

Page 13

... Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585160 HA17L431/HA17L431A Series Hitachi Asia Ltd. Hitachi Asia (Hong Kong) Ltd. Hitachi Tower Group III (Electronic Components) 16 Collyer Quay #20-00, 7/F., North Tower, Singapore 049318 World Finance Centre, Tel : < ...

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