5

HV9911

T

DELAY2

Delay to output of C

-

-

180

ns

COMP = V

V

V

OFFSET

Comparator offset voltage

-10

-

10

mV

---

Internal Transconductance Opamp

GB

-

1.0

-

MHz

75pF capacitance at COMP pin

A

V

Open loop DC gain

66

-

-

dB

Output Open

V

CM

-0.3

-

3.0

V

---

V

O

0.7

-

6.75

-

V

g

m

Transconductance

340

435

530

µA/V

---

V

OFFSET

Input offset voltage

-2.0

-

4.0

mV

---

I

BIAS

-

0.5

1.0

nA

---

Oscillator

f

OSC1

Oscillator frequency*

88

100

112

kHz

R

f

OSC2

Oscillator frequency*

308

350

392

kHz

R

D

MAX

Maximum duty cycle

-

90

-

%

---

I

OUTSYNC

Sync output current

-

10

20

µA

---

I

INSYNC

Sync input current

0

-

200

µA

V

Output Short Circuit

T

OFF

Propagation time for short circuit

detection

-

-

250

ns

I

FAULT goes from high to low

T

RISE,FAULT

Fault output rise time

-

-

300

ns

1nF capacitor at FAULT pin

T

FALL,FAULT

Fault output fall time

-

-

200

ns

1nF capacitor at FAULT pin

G

FAULT

Amplifier gain at I

1.8

2

2.2

I

Soft Start

I

CLIM

Current into C

low

-

-

200

µA

FAULT is low ; 06.25k resistor

between REF and C

LIM

Slope Compensation

I

SLOPE

Current sourced out of SC pin

0

-

100

µA

---

G

SLOPE

Internal current mirror ratio

1.8

2

2.2

-

I

if V

* Specifications which apply over the full operating ambient temperature range of -40°C < T

# Guaranteed by design.

Symbol

Parameter

Min

Typ

Max

Units

Conditions