Data Sheet

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KA75330 — Voltage Detector

KA75330 Rev. 1.1.0 1

December 2012

KA75330

Voltage Detector

Features

• Detects Against Error Operations at Power On/Off

• Resets Function for Low-Voltage Microprocessor

• Checks Low-Battery

Ordering Information

Block Diagram

Figure 1. Block Diagram

Part Number Operating Temperature Range Top Mark Package Packing Method

KA75330ZTA -25 ~ +85°C KA75330 TO-92 Ammo

INPUT

1:TO-92

3:SOT-89

GND

2:TO-92

2:SOT-89

OUT

3:TO-92

1:SOT-89

REF

INPUT

1:TO-92

3:SOT-89

GND

2:TO-92

2:SOT-89

OUT

3:TO-92

1:SOT-89

REF

Description

The KA75330 prevents the system error where the

supply voltage is below the normal level at the time when

the power is on and instantaneous power off in systems.

TO-92

1. Input 2. GND 3. Output

Summary of content (7 pages)

PAGE 1
KA75330 Voltage Detector Features Description • Detects Against Error Operations at Power On/Off • Resets Function for Low-Voltage Microprocessor • Checks Low-Battery The KA75330 prevents the system error where the supply voltage is below the normal level at the time when the power is on and instantaneous power off in systems. TO-92 1 1. Input 2. GND 3.
PAGE 2
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted. Symbol Parameter Value Unit VCC Supply Voltage 0.3 ~ +15.
PAGE 3
KA75330 — Voltage Detector Test Circuit 1. A1 A2 INPUT OUTPUT KA75330 KA75XXX V1 + M GND 10uμF 10V Figure 2. Test Circuit Test Circuit 2. INPUT KA75330 KA75XXX + INPUT PULSE μF 0.1u RL 10uμF 50V OUTPUT 50V 5V GND Figure 3. Test Circuit Test Circuit 3. INPUT RL LED VCC KA75330 KA75XXX OUTPUT GND Figure 4. Test Circuit © 2002 Fairchild Semiconductor Corporation KA75330 Rev. 1.1.0 www.fairchildsemi.
PAGE 4
KA75330 — Voltage Detector Application Circuit INPUT RL VCC V Vcc CC KA75330 KA75XXX CPU OUTPUT RESET GND GND Figure 5. Application Circuit © 2002 Fairchild Semiconductor Corporation KA75330 Rev. 1.1.0 www.fairchildsemi.
PAGE 5
KA75330 — Voltage Detector Physical Dimensions TO-92 Ammo Type D Figure 6. 3-Lead, TO-92, Molded, 0.200 in Line Spacing Lead Form Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision.
PAGE 6
TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended to be an exhaustive list of all such trademarks.
PAGE 7
Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Fairchild Semiconductor: KA75420ZTA KA75270MTF KA75250MTF KA75270ZTA KA75360ZTA KA75450ZTA KA75310MTF KA75290MTF KA75420ZBU