CS5166 View Datasheet(PDF) - ON Semiconductor

Part Name

Description

MFG CO.

CS5166

5−Bit Synchronous CPU Controller with Power Good and Current Limit

ON Semiconductor 

CS5166

ABSOLUTE MAXIMUM RATINGS

Pin Name

Pin Symbol

IC Power Input

VCC

Soft Start Capacitor

SS

Compensation Capacitor

COMP

Voltage Feedback and Current

VFB

Sense Comparator Input

Off−Time Capacitor

Voltage ID DAC Inputs

High−Side FET Driver

COFF

VID0−VID4

GATE(H)

Low−Side FET Driver

GATE(L)

Current Sense Comparator Input

Power Good Output

ISENSE

PWRGD

Power Ground

PGND

Logic Ground

LGND

VMAX

16 V

6.0 V

6.0 V

6.0 V

6.0 V

6.0 V

16 V

16 V

6.0 V

6.0 V

0V

0V

VMIN

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

0V

0V

ISOURCE

N/A

200 μA

10 mA

1.0 mA

ISINK

1.5 A peak, 200 mA DC

10 μA

1.0 mA

1.0 mA

1.0 mA

1.0 mA

1.5 A peak, 200 mA DC

1.5 A peak, 200 mA DC

1.0 mA

10 μA

1.5 A peak, 200 mA DC

100 mA

50 mA

10 μA

1.5 A peak, 200 mA DC

1.5 A peak, 200 mA DC

1.0 mA

30 mA

N/A

N/A

ELECTRICAL CHARACTERISTICS (0°C < TA < 70°C; 0°C < TJ < 125°C; 8.0 V < VCC < 14 V; 2.0 DAC Code:

(VID4 = VID3 = VID2 = VID1 = 0); CGATE(H) = CGATE(L) = 3.3 nF; COFF = 330 pF; CSS = 0.1 μF, unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

VCC Supply Current

Operating

1.0 V < VFB < VDAC (max on−time),

No Loads on GATE(H) and GATE(L)

−

12

20

VCC Monitor

Start Threshold

GATE(H) switching

3.75

3.95

4.15

Stop Threshold

GATE(H) not switching

3.65

3.87

4.05

Hysteresis

Start−Stop

−

80

−

Error Amplifier

VFB Bias Current

COMP Source Current

COMP CLAMP Voltage

VFB = 0 V

COMP = 1.2 V to 3.6 V; VFB = 1.9 V

VFB = 1.9 V, Adjust COMP voltage for Comp

current = 60 μA

−

0.1

1.0

15

30

60

0.85

1.0

1.15

COMP Clamp Current

COMP = 0 V

0.4

1.0

1.6

COMP Sink Current

Open Loop Gain

VCOMP = 1.2 V; VFB = 2.2 V; VSS > 2.5 V

Note 2

180

400

800

50

60

−

Unity Gain Bandwidth

Note 2

0.5

2.0

−

PSRR @ 1.0 kHz

Note 2

60

85

−

Overcurrent Detection

Current Limit Voltage

VFB = 0 V to 3.5 V, 8.0 V < VCC < 12 V + 10%

55

76

130

ISENSE Bias Current

ISENSE = 2.8 V

13

30

50

2. Guaranteed by design, not 100% tested in production.

Unit

mA

V

V

mV

μA

μA

V

mA

μA

dB

MHz

dB

mV

μA

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