S-19243xxxH Datasheet PDF - Seiko

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S-19243xxxH
Seiko

Part Number S-19243xxxH
Description CMOS VOLTAGE REGULATOR
Page 30 Pages


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S-19243xxxH Series
www.sii-ic.com
FOR AUTOMOTIVE 105°C OPERATION LOW DROPOUT HIGH OUTPUT CURRENT
CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
© SII Semiconductor Corporation, 2016
Rev.3.0_00
The S-19243xxxH Series developed by using high-withstand voltage CMOS process technology, is a positive voltage
regulator with high-accuracy output voltage and high output current.
A built-in overcurrent protection circuit to limit overcurrent of the output transistor and a built-in thermal shutdown circuit to
limit heat are included. In addition to the type in which output voltage is set inside the IC, the type for which output voltage
can be set via an external resistor is added to a lineup. Also, the S-19243xxxH Series includes the soft-start function to
adjust the output voltage rising time at power-on or at the time when the ON / OFF pin is set to ON.
Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product in
the purpose, contact to SII Semiconductor Corporation is indispensable.
Features
Output voltage (internally set):
Output voltage (externally set):
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in soft-start circuit:
Built-in ON / OFF circuit:
Built-in discharge shunt circuit:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
AEC-Q100 in process*2
1.0 V to 6.0 V, selectable in 0.05 V step
1.0 V to 9.0 V, settable via external resistor
(HSOP-8A, HSOP-6 and HSNT-8(2030) only)
2.5 V to 10.0 V
±2.3% (Tj = 40°C to +105°C)
0.09 V typ. (2.6 V output product, at IOUT = 200 mA)
During operation: 120 μA typ., 150 μA max. (Tj = 40°C to +150°C)
During power-off: 0.1 μA typ., 4.5 μA max. (Tj = 40°C to +105°C)
Possible to output 500 mA (at VIN VOUT(S) + 1.0 V)*1
60 dB typ. (at f = 1.0 kHz)
Limits overcurrent of output transistor.
Detection temperature 170°C typ.
Adjusts output voltage rising time at power-on or at the time when
ON / OFF pin is set to ON.
Adjustable type: E / F / G / H type, tSS = 6.0 ms typ. (CSS = 10 nF)
Soft-start time can be changed by the capacitor (CSS).
Fixed type: A / B / C / D type: Fixed to tSS = 1.0 ms typ.
Ensures long battery life.
Discharges the electric charge of the output capacitor during power-off.
Ta = 40°C to +105°C
*1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.
*2. Contact our sales office for details.
Applications
Constant-voltage power supply for electrical application for vehicle interior
Constant-voltage power supply for home electric appliance
For automotive use (car body, headlight, ITS, accessory, car navigation system, car audio system, etc.)
Packages
TO-252-5S(A)
HSOP-8A
HSOP-6
SOT-89-5
HSNT-8(2030)
1



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FOR AUTOMOTIVE 105°C OPERATION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
S-19243xxxH Series
Rev.3.0_00
Block Diagrams
1. Types in which output voltage is internally set
1. 1 S-19243xxxH Series A / B / C / D type (HSOP-8A, HSOP-6, SOT-89-5, HSNT-8(2030))
*1
VIN
VOUT
ON / OFF
*3
VSS
Overcurrent protection circuit
Thermal shutdown circuit
ON / OFF
circuit
+
Reference
voltage circuit
Soft-start
circuit
*2
*1
Product
Type
A
B
C
D
ON / OFF Logic
Soft-start Time
Active "H"
Active "H"
Active "H"
Active "H"
Fixed to tSS = 1.0 ms typ.
Fixed to tSS = 1.0 ms typ.
Fixed to tSS = 1.0 ms typ.
Fixed to tSS = 1.0 ms typ.
Discharge Shunt
Function*2
Available
Available
Unavailable
Unavailable
Pull-down Resistor*3
Available
Unavailable
Available
Unavailable
*1. Parasitic diode
*2. A / B type (With discharge shunt function): ON, C / D type (Without discharge shunt function): OFF
*3. A / C type (With pull-down resistor): ON, B / D type (Without pull-down resistor): OFF
Figure 1
2



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FOR AUTOMOTIVE 105°C OPERATION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
Rev.3.0_00
S-19243xxxH Series
1. 2 S-19243xxxH Series E / F / G / H type (TO-252-5S(A), HSOP-8A, HSOP-6, SOT-89-5, HSNT-8(2030))
*1
VIN VOUT
ON / OFF
*3
SSC
VSS
Overcurrent protection circuit
Thermal shutdown circuit
ON / OFF
circuit
+
Reference
voltage circuit
Soft-start
circuit
*1
*2
*1
Product
Type
E
F
G
H
ON / OFF Logic
Soft-start Time
Active "H"
Active "H"
Active "H"
Active "H"
Changeable by capacitor (CSS)
Changeable by capacitor (CSS)
Changeable by capacitor (CSS)
Changeable by capacitor (CSS)
Discharge Shunt
Function*2
Available
Available
Unavailable
Unavailable
Pull-down Resistor*3
Available
Unavailable
Available
Unavailable
*1. Parasitic diode
*2. E / F type (With discharge shunt function): ON, G / H type (Without discharge shunt function): OFF
*3. E / G type (With pull-down resistor): ON, F / H type (Without pull-down resistor): OFF
Figure 2
3



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FOR AUTOMOTIVE 105°C OPERATION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
S-19243xxxH Series
Rev.3.0_00
2. Types in which output voltage is externally set
2. 1 S-19243xxxH Series A / B / C / D type (HSOP-6)
VIN
*1
VOUT
ON / OFF
*3
VSS
Overcurrent protection circuit
Thermal shutdown circuit
ON / OFF
circuit
+
Reference
voltage circuit
Soft-start
circuit
VADJ
*2
*1
Product
Type
A
B
C
D
ON / OFF Logic
Soft-start Time
Active "H"
Active "H"
Active "H"
Active "H"
Fixed to tSS = 1.0 ms typ.
Fixed to tSS = 1.0 ms typ.
Fixed to tSS = 1.0 ms typ.
Fixed to tSS = 1.0 ms typ.
Discharge Shunt
Function*2
Available
Available
Unavailable
Unavailable
Pull-down Resistor*3
Available
Unavailable
Available
Unavailable
*1. Parasitic diode
*2. A / B type (With discharge shunt function): ON, C / D type (Without discharge shunt function): OFF
*3. A / C type (With pull-down resistor): ON, B / D type (Without pull-down resistor): OFF
Figure 3
4



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