Electrical characteristics (continued) – Rainbow Electronics MAX17117 User Manual

Page 6

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Internal-Switch Boost Regulator with Integrated

7-Channel Scan Driver, Op Amp, and LDO

MAX17117

6 ______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(V

IN

= +3V, Circuit of Figure 1, V

OPAS

= +8.5V, V

GHON

= +24V, V

VGL

= -6.2V, V

ST

= V

CK_

= 0V, T

A

= -40NC to +85NC, unless oth-

erwise noted.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Propagation Delay from ST
Falling Edge to STH Falling Edge

C

LOAD

= 100pF, R

LOAD

= 0I

200

ns

Propagation Delay from CK_
Rising Edge to CKH_ Rising Edge

C

LOAD

= 100pF, R

LOAD

= 0I

200

ns

Propagation Delay from CK_
Falling Edge to CKH_ Falling
Edge

C

LOAD

= 100pF, R

LOAD

= 0I

200

ns

STH, VGLC, CKH_ Rise Time

C

LOAD

= 5nF, R

LOAD

= 0I; V

GHON

= 30V,

V

VGL

= -10V; measured from 10% to 90%

1

F

s

STH, VGLC, CKH_ Fall Time

C

LOAD

= 5nF, R

LOAD

= 0I; V

GHON

= 30V,

V

VGL

= -10V; measured from 10% to 90%

1

F

s

STH, CKH_ Operating Frequency
Range

C

LOAD

= 5nF, R

LOAD

= 0I

100

kHz

GATE-SHADING TIMING CONTROL

Gate-Shutdown Detection
Threshold

DTS falling

100

150

mV

Gate-Shutdown Detection Current V

DTS

= 0.5V

5

10

15

µA

DTS Switch Resistance

V

DTS

= 1.3V, I

DTS

= 1mA

50

I

DTS Rising Edge Threshold

1.210

1.265

V

DTS Falling Edge Threshold

150

mV

LDO
LDOO Output Voltage Range

1.8

V

IN

V

Dropout Voltage

V

IN

= 3.3V, V

LDOADJ

= 1.1V, I

LDOO

= 350mA

500

mV

LDOO Line Regulation

V

IN

= 2.8V to 5.5V, V

LDOO

= 2.5V, I

LDOO

= 100mA

0.3

%/V

LDOO Load Regulation

V

LDOO

= 2.5V, I

LDOO

= 1mA to 300mA

0.5

%/V

LDOO Current Limit

V

LDOADJ

= 1.0V

0.4

0.8

A

LDOADJ Feedback Voltage

1.227

1.252

V

LDOADJ Input-Bias Current

V

LDOADJ

= 1.3V, T

A

= +25NC

200

nA

DIGITAL INPUTS

ST, CK_ Input High Level

1.8V < V

LDOO

< 5.5V

0.7 x

V

LDOO

V

ST, CK_ Input Low Level

1.8V < V

LDOO

< 5.5V

0.3 x

V

LDOO

V

ENA Input Logic-High Level

1.8V < V

LDOO

< 3.0V

0.7 x

V

LDOO

V

V

LDOO

> 3.0V

2.1

ENA Input Logic-Low Level

1.8V < V

LDOO

< 3.0V

0.3 x

V

LDOO

V

V

LDOO

> 3.0V

0.8

ENA Resistor Range

0

200

kI

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