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Ordering number : EN5669
Monolithic Linear IC
LA5613
VCR Regulator and Control Amplifier
Overview
The LA5613 is an IC that includes an independently on/off switchable 5-V/0.7-A low-saturation regulator, an 11.3-V/0.3-A ripple filter, and a control amplifier on chip. It is optimal for use in VCR and similar products.
Package Dimensions
unit: mm 3046B-SIP10F
[LA5613]
Functions and Features
* 5-V/0.7-A low-saturation regulator (Includes an on/off function.) * 11.3-V/0.3-A ripple filter (Includes an on/off function.) * Switching regulator control amplifier * Includes input overvoltage and thermal protection circuits on chip.
SANYO: SIP10H
Specifications
Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC1 max VCC2 max Pd max Topr Tstg VCC1 VCC2 No heat sink Conditions Ratings 14 VCC1 1.7 -20 to +80 -40 to +150 Unit V W C C
Operating Conditions at Ta = 25C
Parameter Input voltage Output current 1 Output current 2 Symbol VCC1 VCC2 IO1 IO2 Conditions Ratings 12.3 0.4 6 0.5 0 to 0.3 0 to 0.7 Unit V V A A
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53197HA(OT) No. 5669-1/4
LA5613 Electrical Characteristics at Ta = 25C in the specified Test Circuit
Parameter Symbol Conditions Ratings min typ max Unit
[No Load] VSTB = high, VCC1 = 12.3 V, VCC2 = 6 V, IO1 and IO2 = 0 A Quiescent current IIN1 IIN2 VO1 VDROP1 IOP1 VO1 OFF VO2 VDROP2 VOLN2 VOLD2 IOP2 IOSC2 Rrej2 VO2 OFF VHVTH VSTBL VSTBH ICONT KR VCC1 - ERR VO1 and VO2: off VO1 and VO2: on VCC1 = 12.8 V KR = R1/R2, VREF = 1.28 V typ IO1 = 0.3 A, IO2 = 0.7 A f = 120 Hz, 6 V VCC2 7 V 6 V VCC2 7 V 0.1 A IO2 0.7 A - - 20 0.2 30 0.3 mA mA
[Output 1] VSTB = high, VCC1 = 12.3 V, VCC2 = 6 V, IO1 = 0.3 A Output voltage 1 Dropout voltage Peak output current Output low-level voltage 10.9 - 0.3 - 11.3 1.0 - - - 1.4 - 0.2 V V A V
[Output 2] VSTB = high, VCC1 = 12.3 V, VCC2 = 6 V, IO2 = 0.7 A Output voltage 2 Dropout voltage Line regulation Load regulation Peak output current Output short-circuit current Ripple rejection Output low-level voltage [Input Overvoltage Protection] Detection voltage 7.6 8.0 8.4 V 4.9 - - - 0.7 - - - 5.1 0.3 - - - - 50 - 5.3 0.5 20 300 - 0.75 - 0.2 V V mV mV A A dB V
[Output 1 and Output 2 On/Off Control] VCC1 = 12.3 V, VCC2 = 6 V Output off control voltage Output on control voltage [Control Amplifier] VCC1 = 12.3 V, VCC2 = 6 V Control output current (sink) Resistance ratio Output inverted input voltage 10 - 11.9 - 8.61 12.3 - - 12.7 V mA - 3.0 - - 1.0 VCC1 V
Allowable power dissipation, Pd max - W
Ambient temperature, Ta - C
Test Circuit
No. 5669-2/4
LA5613 Pin Functions
Pin No. 1 2 3 4 5 6 7 8 9 10 Symbol VCC2 VO2 STB GND VO1-FIL VO1 VCC1 SENSE NF VOERR Function Low-voltage input 5.1-V/0.7-A regulator output, with on/off, current limiter thermal shutdown. VO1 and VO2 on/off control. Active high. Substrate of the LA5613 (minimum potential) VO1 ripple filter capacitor connection Ripple filter 0.3-A output, with on/off, current limiter thermal shutdown. High-voltage input VCC1 voltage detection Phase compensation and VCC1 adjustment. Connect resistors between this pin and SENSE or ground. Switching register control amplifier drive output
Notes: 1. CL: Current limiter 2. TSD: Thermal shutdown
Function Table (r: built-in, x: not built-in)
Circuit block Function Input line Output current protection Thermal shutdown protection On/off control Overvoltage protection VO1 VCC1 r r r r VO2 VCC2 r r r r Control amplifier VCC1 x x x r
Usage Notes * The relationship VCC1 VCC2 must hold at all times when power is applied. * Power should be applied to VCC1 and VCC2 simultaneously. Do not use this IC with only one or the other voltage applied. * This IC will be destroyed if the VO1 output load is shorted. Do not short the outputs of this IC. Logic Table Conditions: When VCC1 VCC2 (However, the conditions 11.9 V VCC1 12.7 V and 5.5 V VCC2 6.5 V must also apply.)
STB L or open H VO1, VO2 L H
Notes: 1. "H" for STB denotes high level; "L" denotes low level. 2. "H" for VO denotes output ON voltage; "L" denotes output OFF voltage.
No. 5669-3/4
LA5613 Equivalent Circuit Block Diagram and Sample Application Circuit
Reference regulator On/off control
Thermal shutdown protector
Current limiter
Current limiter
VO2 5.1 V/0.7 A AUDIO AMP etc.
Photocoupler
s No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. s Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. s Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of May, 1997. Specifications and information herein are subject to change without notice. No. 5669-4/4

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