Datasheet Details
- Part number
- GR8837
- Manufacturer
- Grenergy
- File Size
- 756.75 KB
- Datasheet
- GR8837-Grenergy.pdf
- Description
- Green-Mode PWM Controller
GR8837 Description
GR8837 Green-Mode PWM Controller with Latch Protection .
The GR8837 is a highly-integrated, low startup current, current mode PWM controller with green-mode function.
GR8837 Features
* Current mode control Standby power below 100mW Under-voltage lockout (UVLO) Non-audible-noise green-mode control 65KHz switching frequency Internal leading-edge blanking Internal slope compensation Internal soft start Gate output voltage clamp Jitter and soft driving for reducing EMI External OVP La
GR8837 Applications
* in Fig. 11.
Full load VCC mode(off) VCC mode(on) UVLO(off)
The operation is shown in Fig.12.
VCC
Burst mode
VCC mode
t LOAD
t OUT
Switching
t
Fig. 12 The VCC mode function is used to prevent the output re-start again when load changes. So never Fig. 11 Gate Clamp/Soft Driving Driver is clampe
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