NCP5209 Datasheet, PDF (6/20 Pages) ON Semiconductor – 4-In-1 PWM Buck and Tri-Linear Power Controller

NCP5209
ELECTRICAL CHARACTERISTICS (5VDUAL = 5.0 V, BOOT = 12 V, 5VATX = 5.0 V, DDQ_REF = 2.5 V, T_A = 0 to 70°C, L =
1.7 mH, COUT1 = 3770 mF, COUT2 = 470 mF, COUT3 = 680 mF, COUT4 = 3300 mF, CSS = 33 nF, RL1 = 50 kW, R1 = 2.2 kW, R2 = 2.0
kW, R3 = 0 W, R4 = 1.0 kW, R5 = 10 kW, R6 = 5.0 kW, R7 = 6.8 kW, R8 = 7.5 kW, RSWDDQ = 1.0 kW, RZ1 = 20 kW, RZ2 = 8.0 W, CP1 =
10 nF, CZ1 = 6.8 nF, CZ2 = 100 nF, for min/max values unless otherwise noted.)
Characteristic
Symbol
Test Conditions
Min Typ Max Unit
DDQ ERROR AMPLIFIER
DC Gain
GAINDDQ
(Note 4)
−
70
−
dB
Gain−Bandwidth Product
GBWDDQ COMP PIN to GND = 220 nF, 1.0 W in −
12
− MHz
Series (Note 4)
Slew Rate
SRDDQ
COMP_DDQ = 10 pF
−
8.0
− V/ms
VTT ACTIVE TERMINATION REGULATOR
VTT Tracking REF_SNS/2 at S0 Mode
dVTTS0
IOUT= 0 to 2.0 A (Sink Current)
−30
−
IOUT= 0 to –2.0 A (Source Current)
30 mV
VTT Source Current Limit
ILIMVTsrc
−
2.0
−
−
A
VTT Sink Current Limit
ILIMVTsnk
−
DDQ_REF Input Resistance
RDDQ_REF
−
2.0
−
−
A
−
50
−
kW
DUAL LINEAR REGULATOR CONTROLLER
1st Regulator Feedback Voltage,
Control Loop in Regulation
VFB2P4
T_A = 0°C to 70°C
0.784 0.800 0.816 V
1st Regulator Feedback Input Current
IFB2P4
−
−
−
1.0 mA
1st Regulator DC Gain
GAIN2P4
(Note 4)
−
66
−
dB
2nd Regulator Feedback Voltage,
Control Loop in Regulation
VFB1P5
T_A = 0°C to 70°C
0.784 0.800 0.816 V
2nd Regulator Feedback Input Current
IFB1P5
−
−
−
1.0 mA
2nd Regulator DC Gain
GAIN1P5
(Note 4)
−
66
−
dB
Internal Soft−Start Timing
Tss2
−
−
1.5
−
ms
CONTROL SECTION
BUF_CUT Input Logic HIGH
Logic_H
−
2.0
−
−
V
BUF_CUT Input Logic LOW
Logic_L
−
−
−
0.8
V
BUF_CUT Input Current
ILogic
−
−
−
1.0 mA
GATE DRIVERS
TGDDQ Gate Pull−HIGH Resistance
TGDDQ Gate Pull−LOW Resistance
BGDDQ Gate Pull−HIGH Resistance
RH_TG
BOOT = 12 V, V(TGDDQ) = 11.9 V
−
3.0
−
W
RL_TG
BOOT = 12 V, V(TGDDQ) = 0.1 V
−
2.5
−
W
RH_BG
BOOT = 12 V, V(BGDDQ) = 11.9 V
−
3.0
−
W
BGDDQ Gate Pull−LOW Resistance
RL_BG
BOOT = 12 V, V(BGDDQ) = 0.1 V
−
1.3
−
W
DRV_2P4 Gate Pull−HIGH Voltage
VH2P4
BOOT = 12 V
−
9.0
−
V
DRV_2P4 Gate Pull−LOW Voltage
VL2P4
BOOT = 12 V
−
0.8
−
V
DRV_2P4 Gate Source Current
IH2P4
BOOT = 12 V
−
10
−
mA
DRV_2P4 Gate Sink Current
IL2P4
BOOT = 12 V
−
10
−
mA
DRV_1P5 Gate Pull−HIGH Voltage
VH1P5
BOOT = 12 V
−
9.0
−
V
DRV_1P5 Gate Pull−LOW Voltage
VL1P5
BOOT = 12 V
−
0.8
−
V
DRV_1P5 Gate Source Current
IH1P5
BOOT = 12 V
−
10
−
mA
DRV_1P5 Gate Sink Current
4. Guarantee by design, not tested in production.
IL1P5
BOOT = 12 V
−
10
−
mA
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