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Contents

Pinout
Key specifications
Electrical characteristics
CAD (KiCad official)
Provenance

README

markdown

TCR3DM45

TOSHIBA · Linear Voltage Regulators (LDO) · DFN-4(1x1)

TCR3DM45 from TOSHIBA, in a DFN-4(1x1). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	VOUT	power_out	Regulated output voltage pin (4.5 V fixed for TCR3DM45), up to 300 mA, with a 1.0 µF ceramic output capacitor placed close to the pin.
2	GND	power_in	Ground pin.
3	CONTROL	input	On/off control input: high (VCT 1.0 to 5.5 V) turns output on, low (0 to 0.4 V) or open turns it off, with an internal pull-down to GND.
4	VIN	power_in	Supply input voltage pin, 1.75 to 5.5 V operating (6.0 V absolute maximum), with a 1.0 µF ceramic input capacitor.
5	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter	Value
Manufacturer	TOSHIBA
Package	DFN-4(1x1)
Category	Power Management
Pins	5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Output voltage accuracy	VOUT	-1		1	%	IOUT = 50 mA, 1.8V ≤ VOUT	4
Input voltage	VIN	1.75		5.5	V	IOUT = 300 mA	4
Line regulation	Reg·line		1	15	mV	VOUT + 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 1 mA	4
Load regulation	Reg·load		18	35	mV	1 mA ≤ IOUT ≤ 300 mA	4
Quiescent current	IB		78	125	μA	IOUT = 0 mA, VOUT = 4.5 V	4
Stand-by current	IB (OFF)		0.1	1	μA	VCT = 0 V	4
Dropout voltage	VDO		150	200	mV	IOUT = 300 mA, 3.6 V ≤ VOUT ≤ 4.5 V	4
Control voltage (ON)	VCT (ON)	1		5.5	V		4
Control voltage (OFF)	VCT (OFF)	0		0.4	V		4
Input voltage (absolute maximum)	VIN			6	V	Ta = 25°C	2
Control voltage (absolute maximum)	VCT	-0.3		6	V	Ta = 25°C	2
Output voltage (absolute maximum)	VOUT	-0.3		6	V	-0.3 to VIN + 0.3 V, Ta = 25°C	2
Output current	IOUT			300	mA	Ta = 25°C	2
Power dissipation	PD			420	mW	Ta = 25°C, mounted on board (Note 1)	2
Operating temperature range	Topr	-40		85	°C		2
Junction temperature	Tj			150	°C		2
Storage temperature range	Tstg	-55		150	°C		2
Temperature coefficient	TCVO		75		ppm/°C	-40°C ≤ Topr ≤ 85°C	4
Output noise voltage	VNO		38		μVrms	VIN = VOUT + 1 V, IOUT = 10 mA, 10 Hz ≤ f ≤ 100 kHz, Ta = 25°C (2.5 V product)	4
Ripple rejection ratio	R.R.		70		dB	VIN = VOUT + 1 V, IOUT = 10 mA, f = 1 kHz, VRipple = 500 mVp-p, Ta = 25°C (2.5 V product)	4
Load transient response	ΔVOUT		80		mV	IOUT = 1 mA⇔300 mA, COUT = 1.0 μF, ±80 mV	4

CAD (KiCad official)

Symbol: TCR3DM45
Footprint: Package_DFN_QFN:UDFN-4-1EP_1x1mm_P0.65mm_EP0.48x0.48mm
3D model: DFN-4(1x1) (KiCad packages3D, STEP)
3D model files: tcr3dm45-etched.step / tcr3dm45-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tcr3dm45.step / tcr3dm45.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: TOSHIBA datasheet (15 pp, sha256 cb6966545f36143a, retrieved 2026-10-27, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF