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Nisshinbo Micro Devices Inc. R1200N001B-TR-FE

Fabricant
Nisshinbo Micro Devices Inc.
Réf. Fab.
R1200N001B-TR-FE
Réf. LCSC
C2470868
Condit.
SOT-23-6
Numéro Client
Caract. clés
1.2MHz Boost Adjustable 700mA SOT-23-6 Voltage Regulators - DC DC Switching Regulators RoHS
Fiche TechniqueNisshinbo Micro Devices Inc. R1200N001B-TR-FE
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Spécifications du Produit

Tout
TypeDescription
CatégorieIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
FabricantNisshinbo Micro Devices Inc.
Condit.SOT-23-6
Operating Temperature-40℃~+85℃@(TA)
Frequency - Switching1.2MHz
FunctionBoost
Number of Outputs1
FeaturesOvercurrent Protection;Load disconnect;Output discharge
Output TypeAdjustable
TopologyBoost
Operating Voltage2.3V~5.5V
Switch tube (built-in/external)Built-in
Output Voltage-
Output Current700mA
Quiescent Current500uA
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Description

Traduction par IA

R1200x series are CMOS-based control type step-up DC/DC converter with low supply current ICs. Each of these ICs consists of a Nch MOSFET, NPN transistor, an oscillator, PWM comparator, a voltage reference unit, an error amplifier, a current limit circuit, an under voltage lockout circuit (UVLO), an over voltage protection circuit (OVP), and a soft start circuit. As the external components, an inductor, resistances or capacitors are necessary to make a constant output voltage of step-up DC/DC converter with the R1200x. At standby mode, the NPN transistor can separate the output from the input. During the situation of that, there are two versions. R1200xxxxA: the output of VOUT is generated to 0V by the low resistance (with the auto discharge function). R1200xxxxB does not generate the output of VOUT (without the auto discharge function). The soft-start time (Typ. 1.5ms) and the maximum duty cycle (Typ. 91%) are set internally. For the protection functions of R1200x series are the current limit function of the LX peak current, the OVP function for detection the over voltage of output and the UVLO function for protective miss-operation by the low voltage. (The threshold of OVP is selectable from 17V, 19V or 21V.) Since the packages for these ICs are DFN1616-6, DFN(PLP)1820-6, SOT-23-6 and WLCSP-6-P1, therefore high density mounting of the ICs on boards is possible.

Caractéristiques

Traduction par IA
  • Supply Current: Typ. 500µA
  • Standby Current: Max. 3µA
  • Input Voltage Range: 2.3V to 5.5V
  • Feedback Voltage: 1.0V (Externally adjustable)
  • Feedback Voltage Accuracy: ±1.5%
  • Temperature-Drift Coefficient of Feedback Voltage: ±150ppm/°C
  • Oscillator Frequency: Typ. 1.2MHz
  • Maximum Duty Cycle: Typ. 91%
  • Switch ON Resistance: Typ. 1.35Ω
  • UVLO Detector Threshold: Typ. 2.0V
  • Soft-start Time: Typ. 1.5ms
  • Lx Current Limit Protection: Typ. 700mA
  • OVP Detector Threshold: 17V, 19V, 21V
  • Switching Control: PWM
  • Built-in a rectifier NPN transistor, at standby mode, complete shutdown is possible.
  • Built-in Auto discharge function: A version
  • Packages: DFN1616-6, DFN(PLP)1820-6, SOT-23-6, WLCSP-6-P1
  • Ceramic capacitors are recommended: 1µF

Applications

Traduction par IA
  • OLED power supply for portable equipment
  • White LED Backlight for portable equipment