HA1835P Renesas Electronics Corporation., HA1835P Datasheet
HA1835P
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HA1835P Summary of contents
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... HA1835P/HA1848P Description The HA1835P and HA1848P is a monolithic voltage regulator control designed for microcomputer systems. In addition to the voltage regulator, it include watchdog timer function and power-on reset function. These ICs can perform many function in various microcomputer systems with few external parts. Features Regulated power supply control function Wide area of operational voltage ...
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... HA1835P/HA1848P Pin Arrangement Note: HA1848P: 9 pin is non connection. Pin Functions Pin No. Symbol Functions 1 R Reset pulse width depends on resistance connected Recommended range: 100 Reset pulse width depends on capacitance connected P-RUN Clock pulse input terminal for watchdog timer ...
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... P-RUN 3 (Band Pass Filter 300 k GND Note: HA1848P: 9 pin is non connection Vout CC CONT Current Limiter 5 k Error Amp 2 k Power on Reset Detector Reset Signal Oscillator 0.01 F 560 k HA1835P/HA1848P Vout HA1835P 9 Comp * 8 Vadj 14 RES 13 RES ...
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... HA1835P/HA1848P Absolute Maximum Ratings (Ta = 25°C) Item Symbol Supply voltage V P-RUN input voltage V Output voltage V V Output current I I Control terminal voltage V Control terminal current I Power dissipation (Note) P Operating temperature range Topr Storage temperature range Tstg Soldering temperature Tsol Note > derate by 8.3 mW/ C. ...
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... OH3 t 80 130 200 130 220 off 160 100 200 RH HA1835P/HA1848P Unit Test Conditions 17.5 V (No load), CC with PNP transistor 17.5 V, Iout = 0 17.5 V, Iout = 17.5 V, Iout = Iout = 0 ...
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... HA1835P/HA1848P Test Circuit P-RUN 0 Batt Rf 4 300 k 6 2SB857D 10 V CONT Vout 6 RES 14 HA1835P RES 13 Vadj 8 Cf GND 0.01 F 560 k 0 100 F Counter ...
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... R ( Iout (Limit) Power-On Reset The HA1835P, and HA1848P can output a reset pulse to start the microcomputer at power on (figure 6). The external resistor R and capacitor C R Note that RES and RES are open-collector terminals. They should therefore be connected to a pull-up resistor of about ...
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... HA1835P/HA1848P Application Circuit Example Batt 0 300 P-RUN RES Power-on reset signal 8 Q 2SB857D Vout CONT RES 13 P-RUN 3 Cf GND 0.01 F 560 k 0.1 F System burst off t RH ...
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... Figure 3 Output Voltage vs. Ambient Temperature 0.1 A OUT 0 Input voltage V (V) IN Figure 1 Output Voltage vs. Input Voltage 0.5 1 Output current I (A) OUT Figure 2 Output Voltage vs. Output Current OUT 0 50 Ambient temperature HA1835P/HA1848P 0 100 9 ...
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... HA1835P/HA1848P 200 100 Figure 4 Automatic Reset Pulse High Time vs. Resistor 200 100 Figure 5 Automatic Reset Pulse Low Time vs. Resistor 100 100 k 200 k Resistor 100 k 200 k Resistor ...
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... Figure 7 Clock Pulse Frequency vs. Clock Pulse Duty Cycle Duty = 50 System run-away sense region 500 Normal operation region 200 100 50 System run-away sense region 20 100 k 200 k Resistor Figure 8 Clock Pulse Frequency vs. Resistor HA1835P/HA1848P 100 500 k 11 ...
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... HA1835P/HA1848P Package Dimensions 19.20 20.32 Max 14 1 2.39 Max 2.54 0. 1.30 0.48 0.10 0 – 15 Hitachi Code JEDEC EIAJ Mass (reference value) Unit: mm 7.62 + 0.10 0.25 – 0.05 DP-14 Conforms Conforms 0.97 g ...
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... Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 778322 HA1835P/HA1848P Hitachi Asia Pte. Ltd. Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 16 Collyer Quay #20-00 7/F., North Tower, World Finance Centre, Hitachi Tower ...