The R1213 Series are low supply current, CMOS-based PWM step-up DC/DC converters. R1213 includes a soft start circuit, an under-voltage lockout circuit (UVLO), a thermal shutdown circuit, and a latch protection circuit. By simply using an inductor, resistors, capacitors and a diode as external components, a high-efficiency step-up DC/DC converter can be easily configured.
The soft start time as well as phase compensation can be set with external resistors and capacitors. Built-in a shutdown control circuit. It turns off the external Pch MOSFET at the protection time, so it cut off the power line from VDD to VOUT. To release the latch protection, change to the stand-by mode by the CE pin, or change the VDD voltage lower than the UVLO detect voltage.
|Input Voltage Range (Maximum Rating)||2.3 V to 5.5 V (6.5 V)|
|Supply Current||Typ. 550 µA (non-switching)|
|Supply Current||Typ. 3 mA (switching)|
|Standby Current||Typ. 0.1 µA (CE = “L”)|
|Output Voltage Range||3.0 V to 15.0 V, Externally Adjustable (VFB = 0.8 V)|
|Feedback Voltage Accuracy||±8 mV|
|Feedback Voltage Temperature Coefficient||±50 ppm/°C|
|Output Current||1.0 A: VIN = 3.3 V, VOUT = 3.8 V
500 mA: VIN = 2.3 V, VOUT = 5.0 V
250 mA: VIN = 2.7 V, VOUT = 9.6 V
150 mA: VIN = 3.0 V, VOUT = 15 V
|Nch ON Resistance||Typ. 0.07 Ω|
|Shutdown Control Function||Activated by the external Pch MOSFET|
|Thermal Shutdown Circuit||Activated at 150°C (Hys.= 40°C)|
|Overcurrent Protection Circuit||Activated at Typ. 3.0 A|
|Latch-type Protection Circuit||Protection Delay Time: Typ. 32 ms|
|FLAG Output Function||Activated at "H"|
|UVLO Detector Threshold||Typ. 2.0 V|
|Oscillator Frequency||Typ. 1.0 MHz|
|Maximum Duty Cycle||Min. 85%, Typ. 90%|
|Soft-start Time||Set by the SS Pin|
|Phase Compensation||Set by the AMPOUT Pin|
In case of using P-channel MOSEFT for shutdown function
In case of not using shutdown function
Efficiency vs. Output Current
*) The tab is substrate level (GND).
**) The TEST pin connected to the GND level or should be open.
***) No.4,5 pin and No.6 pin, No.8 pin and No.9 pin must be wired each other when it is mounted on board.
PRODUCT LONGEVITY PROGRAM
R1213 series operate PRODUCT LONGEVITY PROGRAM.
This program has been introduced to help customers select the most appropriate part for applications that require long life cycles.
The R1213 offers users to select the output voltage type matched to their set output voltage. Selecting the matched output voltage type can ensure high-speed transient response and stability.
|Product Name||Package||Quantity per Reel|