2

HV9105/HV9108

Electrical Characteristics

(V

Symbol Parameters

Min

Typ

Max

Unit

Conditions

Reference

V

REF

Output Voltage

3.92

4.00

4.08

V

R

15

30

45

K

Ω

I

SHORT

Short Circuit Current

100

130

µAV

∆V

REF

Change in V

0.25

mV/

°C

Oscillator

f

MAX

Maximum Oscillator Frequency

1.0

3.0

MHz

R

32

40

48

KHz

15

%

9.5V < V

170

ppm/

°C

PWM

D

MAX

HV9105

49.0

49.4

49.6

%

HV9108

99.0

99.4

99.6

HV9108

100

nsec

D

MIN

Minimum Duty Cycle

0

%

Minimum Pulse Width

110

175

nsec

Error Amplifier

V

FB

Feedback Voltage

3.96

4.00

4.04

V

V

I

IN

Input Bias Current

25

500

nA

V

Input Offset Voltage

nulled at trim

mV

A

VOL

60

80

dB

gbw

0.5

0.8

MHz

See Fig. 2

Ω

I

SOURCE

Output Source Current

-1.3

-1.0

mA

V

I

SINK

Output Sink Current

50

80

µAV

PSRR

See Fig. 1

Pre-Regulator/Startup

+V

IN

Allowable Input Voltage

120

V

I

Input Leakage Current

10

µAV

V

TH

V

7.8

8.6

9.4

V

I

Threshold Voltage

V

LOCK

Undervoltage Lockout

7.0

8.1

8.9

V

R

Current Limit

V

SOURCE

Threshold Voltage

1.0

1.2

1.4

V

V

150

200

ns

Notes:

1. Guaranteed by design. Not subject to production test.

2. Stray capacitance on OSC IN pin

≤5pF.