AIC1573

5

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

SYNCHRONOUS PWM CONTROLLER AMPLIFIER

DC Gain

(G.B.D.)

80

dB

Gain-Bandwidth Product

(G.B.D.)

13

MHz

Slew Rate

(G.B.D.) note 1.

6

V/

µs

PWM CONTROLLER GATE DRIVERS

0.9

A

2.8

3.5

Ω

Lower Drive Source

1

A

Lower Drive Sink

2.2

3.0

Ω

PROTECTION

VSEN1 Over-Voltage

OVP

116

120

%

FAULT Sourcing Current

20

mA

OCSET1,2 Current Source

170

200

230

µA

Soft-Start Current

25

µA

POWER GOOD

108

111

%

( VSEN1/DACOUT )

92

95

%

(VSEN1/DACOUT)

Upper and Lower Threshold

2

%

0.4

0.8

V

Note 1. Without internal compensation network, the gain bandwidth product is 13MHz. Being associated with

internal compensation networks, the Bode Plot is shown in Fig. 3, “Internal Compensation Gain of

PWM Error Amplifier”.