STMicroelectronics STEVAL-TLL009V1 Camera flash based on the STCF07 STEVAL-TLL009V1 STEVAL-TLL009V1 데이터 시트

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Electrical characteristics
STCF07
8/26
Doc ID 16757 Rev 3
5 Electrical 
characteristics
T
A
 = 25 °C, V
I
 = 3.6 V, 2 x C
I
 = 10 µF, C
O
 = 1 µF, L = 2.2 µH, R
HC
 = 0.22 
Ω, R
LC
 = 1.8 
Ω,
R
X
 = 15 k
Ω
         
Table 6.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
V
I
Input voltage supply 
2.7
5.5
V
UVLO
Undervoltage lockout
V
= 2.7 V
2.2
V
V
PW_ONRESET
Power ON reset threshold
V
I
 rising
2.3
V
I
O
Output current - high current 
level
CSEL = V
I
; V
= 2.7 V to 5.5 V; 
R
HC 
= 0.16 
Ω, P
OUT 
= 3.4 W
1000
mA
Output current - high current 
level
CSEL = V
I
; V
= 3.2 V to 5.5 V; 
R
HC 
= 0.16 
Ω, P
OUT 
= 4 W
1000
Output current - low current 
level
CSEL = GND; V
I
 = 3.3 V to 5.5 V; 
R
HC 
+ R
LC 
~ 2 
Ω
20
V
OUT
Regulated voltage range
2.5
5.3
V
ILIM
Inductor peak current
V
= 2.7 V, V
OUT
 shorted during 
operation
2.3
A
FB1
Feedback voltage
Low current (CSEL = 0 V)
152
160
168
mV
FB2
Feedback voltage
High current (CSEL = V
I
)
152
160
168
mV
R
ON_
FB1-FB2 ON resistance
High current (CSEL = V
I
)
I
= 800 mA
90
m
Ω
I
Q
Quiescent current in 
shutdown mode
EN = GND
1
µA
Quiescent current in high 
current mode
EN = V
I
; CSEL = V
I
; V
= 3.3 V to 
5.5 V; R
HC 
= 0.22 
Ω
1.8
mA
f
s
Frequency
V
= 2.7 V
1.8
MHz
n
Efficiency V
= 3.2 to 4.2 V, I
= 800 mA
85
%
 OVP
Output overvoltage 
protection
V
= 5.5 V, no load
5.5
V
OV
HYST
Overvoltage hysteresis 
V
= 5.5 V, no load
0.3
V
OTP
Overvoltage protection
V
= 5.5 V
140
°C
OT
HYST
Overvoltage hysteresis
V
= 5.5 V
20
°C
V
NTC
NTC voltage reference
V
= 2.7 V to 5.5 V
1.8
V
V
RX
NTC voltage threshold
I
NTC 
= 1 mA Max
1.2
V
NTC
LEAK
RX-NTC switch OFF leakage
Shutdown mode,
V
NTC 
= 2 V - V
RX 
= GND
1
µA
V
IL
Input logic signal level CSEL, 
EN
V
= 2.7 V to 5.5 V
0
0.4
V
V
IH
1.4
3