RC5054A
PRODUCT SPECIFICATION
Electrical Specifications (Recommended Operating Conditions unless otherwise specified)
Symbol Parameter
Test Conditions
Min. Typ. Max. Units
VCC Supply Current
ICC
Nominal Supply
UGATE and LGATE Open
– 22 – mA
Power-On Reset
Rising VCC Threshold
VOCSET = 4.5V
–
– 10.4 V
Falling VCC Threshold
VOCSET = 4.5V
8.8 –
–
V
Rising VOCSET Threshold
– 1.26 –
V
Oscillator
Free Running Frequency
RT = OPEN
185 200 215 KHz
∆VOSC Ramp Amplitude
RT = Open
– 1.9 – VP-P
Reference and DAC
Initial Voltage Setpoint
ILOAD = 0.8A, VOUT = 2.000V 1.980 2.000 2.020 V
VOUT = 1.550V 1.534 1.550 1.566 V
Error Amplifier
DC Gain
–
88
–
dB
GBW Gain-Bandwidth Product
– 15 – MHz
SR
Slew Rate
COMP = 10pF
–
6
– V/µs
Gate Drivers
IUGATE Upper Gate Source
VBOOT - VPHASE = 12V
350 500 – mA
IUGATE Upper Gate Sink
VUGATE - VPHASE = 1V
– 100 – mA
ILGATE Lower Gate Source
VCC = 12V, VLGATE = 6V
300 450 – mA
ILGATE Lower Gate Sink
VUGATE - VPHASE = 1V
– 100 – mA
Protection
Over-Voltage Trip (VSEN/DACOUT)
– 115 120 %
IOCSET OCSET Current Source
VOCSET = 4.5VDC
170 200 230 µA
IOVP
ISS
OVP Sourcing Current
Soft Start Current
VSEN = 5.5V, VOVP = 0V
60 –
– mA
–
10
–
µA
Power Good
Upper Threshold (VSEN/DACOUT) VSEN Rising
106 – 111 %
Lower Threshold (VSEN/DACOUT) VSEN Falling
89 – 94 %
Hysteresis (VSEN/DACOUT)
Upper and Lower Threshold
–
2
–
%
VPGOOD PGOOD Voltage Low
IPGOOD = -5mA
– 0.5 –
V
4