LD3985M33R STMicroelectronics, LD3985M33R Datasheet - Page 4

• Manufacturer Part Number: LD3985M33R
• Description: IC REG LDO 3.3V 150MA SOT23-5L
• Manufacturer: STMicroelectronics

Specifications of LD3985M33R

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 6V
• Voltage - Dropout (typical): 0.06V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 300mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 6 V
• Output Voltage: 3.3 V
• Output Type: Fixed
• Output Current: 550 mA
• Line Regulation: 0.1 % / V
• Load Regulation: 0.005 % / mA
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3504-2

Pin configuration
2
Figure 2.
Table 2.
4/23
TSOT23-5L
SOT23-5L/
Pin n° for
1
2
3
4
5
Pin configuration
Pin connections (top view for SOT and TSOT, top through view for Flip-chip)
Pin description
Pin n° for
Flip-chip
SOT23-5L/TSOT23-5L
4
2
1
5
3
BYPASS
Symbol
GND
V
V
V
INH
O
I
Input voltage of the LDO
Common ground
Inhibit input voltage: ON MODE when V
≤ 0.4 V (Do not leave floating, not internally pulled down/up)
Bypass pin: connect an external capacitor (usually 10 nF) to minimize
noise voltage
Output voltage of the LDO
Doc ID 9587 Rev 14
Name and function
INH
Flip-chip
≥ 1.2 V, OFF MODE when V
LD3985xx
INH