Preliminary Datasheet CXT-STA4919 (Cissoid) - 4

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CXT-STA4919 – Preliminary Datasheet Electrical Characteristics
Unless otherwise stated, Tj = 25°C, Cin = 4.7F, Cout= 4.7F .
Bold
figures point out values valid over the whole tem- perature range (Tj = -55°C to +175°C).
Parameter Symbol Condition Min Typ Max Unit
Input Voltage VIN
4.5 30
V Output voltage range VOUT VIN = [4.5V-30V]
3.0 28V
V Dropout8 Dr Iout = 50mA
0.7 25
V Output current Iout
0 50
mA VIN =[4.5-30]V
VOUT VOUT
Output voltage total accuracy V Iout = [0 .. 50]mA
-5% +5%
VIN= 5V; VOUT = 3.3V Output voltage temperature drift Iout = 0mA

+2.2

% Tj = [25°C - 175°C] VIN =[4.5-30]V; Output voltage line regulation VOUT = 3.3V
-1
% Iout= 0mA VIN =5V; VOUT = 3.3V
-0.069
Iout = [0 .. 50]mA Output voltage load regulation % VIN =30V; VOUT = 27V
-0.1
9

Iout = [0 .. 50]mA VIN= 5V; VOUT = 3.3V
1
Iout = 0 mA Quiescent current10 Iq mA VIN= 30V; VOUT = 5V
1.15
Iout = 0 mA VIN = 5V; Tj =175°C

7 µA CEB = 5V Standby current10 Istdby VIN = 30V; Tj = 175°C

40 µA CEB = 5V VIN from 5V to 10V (5V/µs)

+5

% VOUT = 3.3V; Iout = 50mA VIN from 10V to 5V (5V/µs)

-5

% VOUT = 3.3V;Iout = 50mA Response to Line Transient VIN from 5V to 6V (5V/µs)

+1

% VOUT = 3.3V; Iout = 50mA VIN from 6V to 5V (5V/µs)

-1

% VOUT = 3.3V;Iout = 50mA VIN = 10V; VOUT = 3.3V Iout from 10mA to 50 mA

-5

% (10mA/µs), T Response to Load Transient j = 175°C VIN = 10V; VOUT = 3.3V Iout from 50 mA to 10 mA

+7

% (10mA/µs), Tj = 175°C Power Supply Rejection Ratio 100Hz
65
dB PSRR (VIN=10V,VOUT=1.8V,Iout=10mA) 1 KHz
45
dB BW = [1Hz .. 10KHz] µV Output noise voltage

37

R VOUT=3.3V; Tj = 25°C MS Short-circuit current Isc VIN = [4.5-30]V
110
200
260
mA VIN=10V; T FB input current I j = 175°C FB

50

nA VFB = 0.9V +/- 10% VIN = 5V; V CEB input current I CEB=5V; CEB

3

µA Tj = 175°C CEB VIL VIL CEB
1.2
V CEB VIH VIH CEB
2
V Over temperature protection TH threshold OTP TBD °C Over temperature protection Hyst hysteresis OTP

10

°C Junction–to-case R thermal resistance ΘJC TBD °C/W Junction–to-ambient R thermal resistance11 ΘJA 55 °C/W 8 Refer to Figure 11 for evolution of min dropout in function of required output current 9 Load regulation measurements must be done in a way to avoid self-heating effect 10 Current through feedback resistances excluded 11 Based on FR4 2s2p board + thermal vias under the exposed pad PUBLIC
1-May-19 Doc. PDS-181975 V1.0 WWW.CISSOID.COM
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