ETA1188 datasheet(3/13 Pages) ETA

3 / 13 page

ETA1188

www.etasolution.com

Powering Minds of the Smart

OUTPUT CONFIGURATION

Feedback Voltage

VFB

VOUT =4.5V to 12.6V 1.176 1.2 1.224

FB Leakage Current

IFB

ISET Pin Voltage

VISET

VOUT ≥

VOUT_LOWV

0.98

1.0

1.02

VOUT <

VOUT_LOWV

0.78

0.8

0.82

ISET Output Current

ratio

KISET

KISET = IQ1 / IISET

5000

Output Current Limit

VOUT_ILIM

Adjustable,

RISET=1.6kΩ

3.125

Output Current Foldback

VOUT_IFB

Adjustable,

RISET=1.6kΩ

Switching Cycle-by-

Cycle Lowside current

limit

IPEAK

Minimum Inductor

Current each cycle

IMIN

750

Inductor Zero Crossing

Current Stopping

threshold

IQZX

270

PROTECTION

PMID Over Voltage

Protection

PMID_OVP

13.6

PMID_OVP Hysteresis

PMID_OVP_HYST

VOUT enter deep

condition threshold

VDEEP_ENTER

VOUT falling,

VOUT- VIN

250

VOUT exits deep

condition threshold

VDEEP_EXIT

VOUT rising over

VIN

500

Q1 Swapping sensing

threshold

VOUT_HIGH

VOUT rising

2.5

VOUT_HIGH Hysteresis VOUT_HIGH_HYST VOUT falling

200

FB Over-Voltage-

Protection

VFB_OVP

To stop switching

1.38

VFB_OVP Hystersis

VFB_OVP_HYST

Output Under Voltage

Protection

FB_UVP

Track FB pin

Voltage

0.60

Hiccup Retrying Timer

THCON

Regulator enabled

4.4

Hiccup Disable Timer

THCOFF

Regulator disabled

13.2

Thermal Shutdown

TSD

Rising,

Hysteresis=20°C

155

°C

ETA1188 Datasheet(PDF) 3 Page - ETA SOLUTIONS CO. LIMITED

ETA1188 Datasheet(HTML) 3 Page - ETA SOLUTIONS CO. LIMITED

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13

Datasheet Download

Link URL