IRS2505LPBF

7

2015-9-2

Electrical Characteristics

VCC=14V, CVCC=0.1uF, CCMP=0.68uF, CPFC=1nF, CVBUS=10nF, and Ta=25°C unless otherwise specified.

Symbol

Definition

Min

Typ

Max

Units

Test Conditions

Supply Characteristics

VCLAMP

VCC clamp voltage

19.8

20.8

21.8

V

ICC = 19 mA

VCCUV+

Rising VCC under-voltage lock-out

threshold

10.0

11.1

12.0

VCCUV-

Falling VCC under-voltage lock-out

threshold

7.0

7.9

9.0

VCCUVHYS

VCC UVLO hysteresis

2.9

3.2

3.5

IQCCUV

Micro-power start-up VCC supply

current

---

46.0

60.0

µA

VCC = VCCUV+

- 500mV rising

IQCC

No switching

---

1.2

1.6

mA

VCOMP=0V,GBD

ICC50kHz

VCC current @ 50kHz

---

1.6

2.0

mA

PFC Characteristics

tONMAX

Maximum PFC On-time

51

68

86

s

VBUSREG

VBUS Pin Regulation Voltage

4.02

4.1

4.18

V

VBUSOV+

VBUS Pin OVP Threshold

4.30

4.50

4.70

VBUSOV-

VBUS Pin OVP Fault Reset

Threshold

4.13

4.26

4.48

VBUSOC+

VBUS Pin Over-Current Threshold

0.45

0.53

0.62

VBUS = 3V

VPFCZX+

PFC Pin Zero-Crossing Arming

Threshold

0.39

0.40

0.51

VPFC Rising, GBD

VPFCZX-

PFC Pin Zero-Crossing Detection

Threshold

0.39

0.40

0.51

VPFC Falling, GBD

tOFFDLY

PFC Pin Off-Time Delay

---

0.5

---

s

tZXBLNK

PFC Pin Zero-Crossing Blank Time

---

0.5

---

tWD

Watch Dog Timer Pulse Interval

100

140

180

ICMP+

CMP Pin OTA IO+

25

33

40

A

VBUS=3.5V,VCMP=0V

ICMP-

CMP Pin OTA IO-

-40

-33

-25

VBUS=4.5V,VCMP=5V

VCMPOH

OTA Output Voltage Swing (high

state)

9.9

10.2

11.5

V

VBUS=3.5V

VCMPOL

OTA Output Voltage Swing (low state)

---

0

---

VBUS=4.5V

VCMPON

Minimum COMP Voltage for

Switching

1.21

1.50

1.83

VCMPFLT

OTA Output Voltage in Fault Mode

---

0

---

VZCMP

CMP Pin Clamp Voltage

9.9

10.2

11.5

VBUS=3.5V

GBD : Guaranteed by design