IRS2573D

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© 2009 International Rectifier

7

Electrical Characteristics

VCC = VB1S1 = VB2S2 = VBBSB = VBIAS = 14V +/- 0.25V, CLO1 = CLO2 = CIGN = CHO1 = CHO2 = BUCK =

1000pF, RIREF = 20kOhm, ROC = 10kOhm, ROV = 50kOhm, VRST = COM, CS = VSB, CT = TIGN = TCLK =

VSENSE = ISENSE = PCOMP = ICOMP = ZX = TOFF = COM, TA = 25C unless otherwise specified.

Symbol

Definition

Min

Typ

Max

Units

Test Conditions

Supply Characteristics

VCCUV+

VCC Supply Undervoltage Positive Going

Threshold

9.5

10.5

11.5

VCC rising from 0V

VCCUV-

VCC Supply Undervoltage Negative

Going Threshold

8.5

9.5

10.5

VCC falling from 14V

VUVHYS

VCC Supply Undervoltage Lockout Hysteresis

0.5

1.0

1.5

V

IQCCUV

UVLO Mode VCC Quiescent Current

---

150

VCC = 9V

IQCCFLT

Fault Mode VCC Quiescent Current

---

420

µA

IQCC

Quiescent VCC Supply Current

---

3.5

---

ICCGM

General Mode VCC Supply Current

---

5.0

---

mA

VICOMP = VPCOMP = 4V,

CTOFF=1nF, CT=47nF,

CTIGN=1uF, CTCLK=0.12uF,

VSENSE=0.8V

VCLAMP1 VCC Zener Clamp Voltage

14.6

15.6

16.6

V

ICC = 10mA

Full-Bridge Floating Supply Characteristics

IQB1S1_0

Quiescent VBS Supply Current

---

50

---

VHO1 = VS1

IQB1S1_1

Quiescent VBS Supply Current

---

80

---

µA

VHO1 = VB1

VB1S1UV+

VB1S1 Supply Undervoltage Positive

Going Threshold

8.0

9.0

10.0

VB1S1 rising from 0V

VB1S1UV-

VB1S1 Supply Undervoltage Negative

Going Threshold

7.0

8.0

9.0

V

VB1S1 falling from 14V

ILKVS1

VS1 Offset Supply Leakage Current

---

---

50

VB1 = VS1 = 600V

IQB2S2_0

Quiescent VBS Supply Current

---

50

---

VHO2 = VS2

IQB2S2_1

Quiescent VBS Supply Current

---

80

---

µA

VHO2 = VB2

VB2S2UV+

VB2S2 Supply Undervoltage Positive

Going Threshold

8.0

9.0

10.0

VB2S2 rising from 0V

VB2S2UV-

VB2S2 Supply Undervoltage Negative

Going Threshold

7.0

8.0

9.0

V

VB2S2 falling from 14V

ILKVS2

VS2 Offset Supply Leakage Current

---

---

50

µA

VB2 = VS2 = 600V

Buck Floating Supply Characteristics

VCLAMP2 VBB Zener Clamp Voltage

19.8

20.8

21.8

V

IBB = 10mA

IQBBSB_0 Quiescent VBBSB Supply Current

---

360

µA

VBUCK = VSB

IBBSB

VBBSB Supply Current

---

1

---

mA

VICOMP = VPCOMP = 4V,

CTOFF = 1nF

VBBSBUV+

VBBSB Supply Undervoltage Positive

Going Threshold

8.0

9.0

10.0

VBBSB rising from 0V

VICOMP = VPCOMP = 0.5V

VBBSBUV-

VBBSB Supply Undervoltage Negative

Going Threshold

7.0

8.0

9.0

V

VBBSB falling from 14V

VICOMP = VPCOMP = 0.5V

ILKVSB

VSB Offset Supply Leakage Current

---

---

50

µA

VBB = VSB = 600V

VCS

CS pin over-current threshold

1.03

1.18

1.33

V

tBLANK

CS pin current-sensing blank time

50

120

190

ns

VICOMP = VPCOMP = 4V