IR2156(S)PbF

4

Electrical Characteristics

VCC = VBS = VBIAS = 14V +/- 0.25V, VVDC=Open, RT=40KΩ, RPH=100KΩ, CT=470 pF, VCPH=0.0V, VSD=0.0V,

VCS=0.0V, CLO=CHO=1000 pF, TA=25C unless otherwise specified.

Symbol

Definition

Min

Typ

Max Units

Test Conditions

Oscillator, Ballast Control, I/O Characteristics

36.0

40.0

44.0

kHz

VVDC=14V,

VCPH=Open

49.0

55.0

60.0

VVDC=14V,

VCPH=COM

d

Oscillator duty cycle

---

50

---

%

VCT+

Upper CT ramp voltage threshold

---

8.3

---

V

VCC=14V

VCT-

Lower CT ramp voltage threshold

---

4.8

---

VCTFLT

Fault-mode CT pin voltage

---

0

---

SD>5.1V or CS>1.3V

LO output deadtime

---

2.0

---

µsec

HO output deadtime

---

2.0

---

RDT

Internal deadtime resistor

---

3

---

k

Ω

Preheat Characteristics

ICPH

CPH pin charging current

3.6

4.3

5.2

µA

CT=10V, VDC=5V,

VCPH=0V

VCPHFLT Fault-mode CPH pin voltage

---

0

---

mV

SD>5.1V or CS>1.3V

RPH Characteristics

IRPHLK

Open circuit RPH pin leakage current

---

0.1

---

µA

CT=10V

VRPHFLT Fault-mode RPH pin voltage

---

0

---

mV

SD>5.1V or CS>1.3V

RT Characteristics

IRTLK

Open circuit RT pin leakage current

---

0.1

---

µA

CT=10V

VRTFLT

Fault-mode RT pin voltage

---

0

---

mV

SD>5.1V or CS>1.3V

Protection Circuitry Characteristics

VSDTH+

Rising shutdown pin threshold voltage

---

5.1

---

V

VSDHYS SD pin Reset threshold voltage

---

450

---

mV

VCSTH+

Over-current sense threshold voltage

1.1

1.25

1.44

V

Over-current sense propogation delay

---

160

---

nsec

Delay from CS to LO

VCSPW

Over-current sense minimum pulse width

---

135

---

VCS pulse amplitude =

VCSTH + 100mV

RVDC

DC bus sensing resistor

7.5

10.0

14.0

k

Ω

VCPH>12V, VDC=7V,

CT=0

10.3

10.9

11.4

V

VCPH open, VDC=0V