D (SOIC) OR P (PDIP) PACKAGE (…

MC34063ADE4

Voltage Regulators - DC DC Switching RegulatorsSOIC

IC REG BUCK BST ADJ 1.5A 8SOIC

MC34063ADE4 is a 1.5-A peak current DC-DC switching regulator supporting boost, buck, and inverting topologies, with 3V-40V input voltage, up to 100kHz switching frequency, in SOIC-8 package, operating from 0°C to 70°C.Checked against the datasheet

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Technical parameters

Key specs

Input voltage3 ~ 40 V

Output voltage1.25 ~ 40 V

Output current1.5 AMax

Switching frequency100 kHz

Datasheet-verified parameters

24 items

Parameter	Value and test conditions	Source
Input Voltage Range	3 V to 40 V
Oscillator Frequency	Up to 100 kHz
Package	SOIC (8)
Operating Temperature	0 to 70 °C
RoHS	Yes
Recommended Operating Conditions - Supply Voltage	Min: 3 V, Max: 40 V
Absolute Maximum Ratings - Supply Voltage	Max: 40 V
Absolute Maximum Ratings - Switch Current	Max: 1.5 A
Absolute Maximum Ratings - Storage Temperature	Min: -65 °C, Max: 150 °C
Oscillator Frequency	Min: 24 kHz, Typ: 33 kHz, Max: 42 kHz (V_PIN5=0 V, C_T=1 nF, 25°C)
Charge Current	Min: 24 μA, Typ: 35 μA, Max: 42 μA (V_CC=5 V to 40 V, 25°C)
Discharge Current	Min: 140 μA, Typ: 220 μA, Max: 260 μA (V_CC=5 V to 40 V, 25°C)
Current-limit Sense Voltage	Min: 250 mV, Typ: 300 mV, Max: 350 mV (I_dischg=I_chg, 25°C)
Saturation Voltage - Darlington Connection	Typ: 1 V, Max: 1.3 V (I_SW=1 A, pins 1 and 8 connected, Full range)
Saturation Voltage - Non-Darlington Connection	Typ: 0.45 V, Max: 0.7 V (I_SW=1 A, R_PIN8=82 Ω to V_CC, forced β ~ 20, Full range)
DC Current Gain	Min: 50, Typ: 75 (I_SW=1 A, V_CE=5 V, 25°C)
Collector Off-state Current	Typ: 0.01 μA, Max: 100 μA (V_CE=40 V, Full range)
Threshold Voltage	Min: 1.225 V, Typ: 1.25 V, Max: 1.275 V (25°C); Min: 1.21 V, Max: 1.29 V (Full range)
Threshold-voltage Line Regulation	Typ: 1.4 mV, Max: 5 mV (V_CC=5 V to 40 V, Full range)
Input Bias Current	Typ: -20 nA, Max: -400 nA (V_IN=0 V, Full range)
Supply Current	Max: 4 mA (V_CC=5 V to 40 V, C_T=1 nF, V_PIN7=V_CC, V_PIN5>V_th, V_PIN2=GND, All other pins open, Full range)
Electrostatic Discharge - Human Body Model	2500 V (HBM, per ANSI/ESDA/JEDEC JS-001, all pins)
Electrostatic Discharge - Charged Device Model	1500 V (CDM, per JEDEC specification JESD22-C101, all pins)
Junction-to-ambient Thermal Resistance	97 °C/W (SOIC D package)

All parameters (21)ExpandCollapse

Power
Current - Output	1.5A (Switch)
Voltage - Input (Max)	40V
Voltage - Input (Min)	3V
Voltage - Output (Max)	40V (Switch)
Voltage - Output (Min/Fixed)	1.25V
AC and DC characteristics
Frequency - Switching	100kHz
Environment and package
Mounting Type	Surface Mount
Operating Temperature	0°C~70°C(TA)
Package	Tube
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Other
Base Product Number	MC34063
Function	Step-Up, Step-Down
Mfr	Texas Instruments
Number of Outputs	1
Output Configuration	Positive or Negative
Output Type	Adjustable
Product Status	Discontinued at Digi-Key
Series	-
Synchronous Rectifier	No
Topology	Buck, Boost

Pinout and package

Pin	Name	Function	Source
1		Switch Collector
2		Switch Emitter
3		Timing Capacitor
4		GND
5		Comparator Inverting Input
6		VCC
7		IPK
8		Driver Collector

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DatasheetDatasheet · 1021.1 KB · 2026-10-29

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